{"title":"Image Dynamics Subwoofers","description":"","products":[{"product_id":"image-dynamics-idq10-v4-10-inch-subwoofer","title":"Image Dynamics IDQ10 V4 10 inch Subwoofer","description":"\u003cstyle\u003e\n  .id-wrap { max-width: 100%; font-family: inherit; color: #e2e8f0 !important; }\n  .id-hero { background: #0f172a !important; border: 1px solid #334155 !important; padding: 36px 28px; border-radius: 12px; margin-bottom: 28px; border-bottom: 4px solid #0e7490 !important; }\n  .id-eyebrow { color: #94a3b8 !important; font-size: 13px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; margin: 0 0 10px 0; }\n  .id-hero h2 { color: #ffffff !important; font-size: 28px; margin: 0 0 8px 0; line-height: 1.2; }\n  .id-hero p { color: #e2e8f0 !important; font-size: 16px; margin: 0 0 18px 0; }\n  .id-badges { display: flex; flex-wrap: wrap; gap: 8px; }\n  .id-badge { background: #0e7490 !important; color: #ffffff !important; font-size: 13px; font-weight: 600; padding: 6px 12px; border-radius: 4px; }\n  .id-badge-alt { background: #1e293b !important; color: #e2e8f0 !important; border: 1px solid #334155 !important; }\n  .id-wrap h3 { color: #ffffff !important; font-size: 22px; margin: 28px 0 12px 0; border-left: 4px solid #0e7490 !important; padding-left: 12px; }\n  .id-wrap p { color: #e2e8f0 !important; font-size: 16px; line-height: 1.65; margin: 0 0 14px 0; }\n  .id-callout { background: #1e293b !important; border: 1px solid #94a3b8 !important; border-radius: 8px; padding: 18px 20px; margin: 22px 0; }\n  .id-callout p { color: #e2e8f0 !important; margin: 0; }\n  .id-statgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin: 22px 0; }\n  .id-stat { background: #0f172a !important; border: 1px solid #334155 !important; border-radius: 8px; padding: 16px; text-align: center; }\n  .id-stat .id-statnum { color: #06b6d4 !important; font-size: 22px; font-weight: 700; display: block; }\n  .id-stat .id-statlabel { color: #94a3b8 !important; font-size: 12px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; display: block; margin-top: 4px; }\n  .id-cta { background: #0f172a !important; border: 1px solid #334155 !important; padding: 28px; border-radius: 12px; margin-top: 30px; text-align: center; border-top: 4px solid #0e7490 !important; }\n  .id-cta h3 { color: #ffffff !important; border-left: none !important; padding-left: 0; margin-top: 0; }\n  .id-cta p { color: #e2e8f0 !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"id-wrap\"\u003e\n\u003cdiv class=\"id-hero\"\u003e\n\u003cp class=\"id-eyebrow\"\u003eImage Dynamics IDQ Series Subwoofers\u003c\/p\u003e\n\u003ch2\u003eImage Dynamics IDQ10 V.4 10 Inch Subwoofer\u003c\/h2\u003e\n\u003cp\u003eThe IDQ Series platform scaled to 10 inches: 250 watts RMS, 14.5mm Xmax, 180 ounce motor, aluminum flat-wound extended voice coil, and field-replaceable cone assembly. More cone area than the IDQ8, sealed from 0.60 cubic feet, ported F3 to 28 Hz.\u003c\/p\u003e\n\u003cdiv class=\"id-badges\"\u003e\n\u003cspan class=\"id-badge\"\u003e250W RMS\u003c\/span\u003e \u003cspan class=\"id-badge\"\u003e500W Peak\u003c\/span\u003e \u003cspan class=\"id-badge\"\u003eField-Replaceable Cone\u003c\/span\u003e \u003cspan class=\"id-badge id-badge-alt\"\u003eDual 2 or Dual 4 Ohm\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eIDQ8 to IDQ10: More Cone, Same Platform\u003c\/h3\u003e\n\u003cp\u003eThe Image Dynamics IDQ10 V.4 uses the same platform as the Image Dynamics IDQ8 V.4: 180 ounce Extended Y-35 motor, American-made aluminum flat-wound extended voice coil, BASV former with 38.3mm voice coil height, Parabolic Santoprene surround, Nomex spider, Polycarbonate neck joint, and field-replaceable cone assembly. The 10 inch cone adds 380.13 cm2 of piston area versus 213.82 cm2 on the IDQ8, which moves meaningfully more air at the same excursion and allows the driver to work effectively in larger sealed and ported enclosures where the IDQ8 runs out of cone area.\u003c\/p\u003e\n\u003cp\u003eThe power rating scales up with the platform: 250 watts RMS versus 125 watts on the IDQ8. This is not an inflated figure; it reflects what the BASV former, aluminum flat-wound coil, and 180 ounce motor can sustain continuously in a properly sized enclosure.\u003c\/p\u003e\n\u003cdiv class=\"id-statgrid\"\u003e\n\u003cdiv class=\"id-stat\"\u003e\n\u003cspan class=\"id-statnum\"\u003e180 oz\u003c\/span\u003e\u003cspan class=\"id-statlabel\"\u003eMotor\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"id-stat\"\u003e\n\u003cspan class=\"id-statnum\"\u003e14.5mm\u003c\/span\u003e\u003cspan class=\"id-statlabel\"\u003eXmax\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"id-stat\"\u003e\n\u003cspan class=\"id-statnum\"\u003e250W\u003c\/span\u003e\u003cspan class=\"id-statlabel\"\u003eRMS Power\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"id-stat\"\u003e\n\u003cspan class=\"id-statnum\"\u003e16-Screw\u003c\/span\u003e\u003cspan class=\"id-statlabel\"\u003eReplaceable Cone\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eIDQ10 vs ID10: Different Engineering, Different Use Case\u003c\/h3\u003e\n\u003cp\u003eThe Image Dynamics ID10 V.4 uses a copper voice coil, a fixed cone assembly, and a 127 ounce motor. The IDQ10 uses an aluminum flat-wound extended voice coil, a field-replaceable cone assembly, and a 180 ounce motor. The IDQ10 is engineered for sound quality competition use and long-term serviceability; the ID10 is engineered for reliable daily use at an accessible price. These are different products with different priorities, not the same driver at different price points.\u003c\/p\u003e\n\u003ch3\u003eField-Replaceable Cone Assembly\u003c\/h3\u003e\n\u003cp\u003eThe IDQ10's cone assembly is held to the basket by 16 screws and positioned using alignment shims included with the recone kit. Replacement requires removing the 16 screws, lifting the old assembly out, positioning the new one with alignment shims, and reinstalling the screws. No adhesive, no curing time, no professional service required. The motor structure, which is the most resource-intensive component to manufacture, stays in service while only the cone assembly is replaced.\u003c\/p\u003e\n\u003cp\u003eFor a 10 inch driver operating at competition levels or sustained high-excursion daily use over multiple years, this serviceability is a real operational advantage. The alternative is a new driver purchase or a professional reconing service. With the IDQ10, neither is required.\u003c\/p\u003e\n\u003ch3\u003eSealed and Ported Options\u003c\/h3\u003e\n\u003cp\u003eThe IDQ10 supports a wide range of enclosure designs. The sealed range runs from 0.60 cubic feet (Compact, 450W max) to 1.60 cubic feet (Audiophile, 250W max). The ported range covers 1.00 to 1.75 cubic feet with tuning from 40 Hz down to 30 Hz, extending F3 to 28 Hz in the Audiophile alignment. Image Dynamics recommends sealed for optimal sound quality, but the ported specifications are fully published in the IDQ Series V.4 manual for builders who want maximum bass extension.\u003c\/p\u003e\n\u003cdiv class=\"id-callout\"\u003e\n\u003cp\u003e\u003cstrong\u003eFitment at a glance:\u003c\/strong\u003e mounting depth 5.81 inches, cutout 9.625 inches, outside diameter 11.04 inches, driver displacement 0.10 cubic feet. Break-in period of several days to one week is recommended before reaching optimal performance per Image Dynamics' instructions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eD2 or D4\u003c\/h3\u003e\n\u003cp\u003eThe D2 wires to 1 ohm or 4 ohms; the D4 wires to 2 ohms or 8 ohms. Both share 85 dB sensitivity, 14.5mm Xmax, and 180 oz motor. The Vas values differ (24.3 L D2 vs 21.32 L D4), producing higher Qtc on the D4 at the same sealed volume. Choose based on your amplifier's preferred impedance. The enclosure performance section shows both variants.\u003c\/p\u003e\n\u003ch3\u003eBuilt and Backed\u003c\/h3\u003e\n\u003cp\u003eHand-built in Ontario, California. The Image Dynamics IDQ10 V.4 carries a 1-year limited warranty through authorized dealers. Every unit sold by Audio Intensity is brand new with full warranty coverage.\u003c\/p\u003e\n\u003cdiv class=\"id-cta\"\u003e\n\u003ch3\u003eAuthorized Image Dynamics Dealer\u003c\/h3\u003e\n\u003cp\u003eAudio Intensity ships the Image Dynamics IDQ10 V.4 fast from Tullahoma, Tennessee. Tell us your enclosure volume, your amplifier, and your application and we will help you choose the right voice coil and build the right box.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\n  .id-enc { max-width: 100%; font-family: inherit; }\n  .id-enc h3 { color: #ffffff !important; font-size: 22px; margin: 28px 0 12px 0; border-left: 4px solid #0e7490 !important; padding-left: 12px; }\n  .id-enc p { color: #e2e8f0 !important; font-size: 16px; line-height: 1.65; margin: 0 0 14px 0; }\n  .id-enc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 20px 0; }\n  @media (max-width: 640px) { .id-enc-grid { grid-template-columns: 1fr; } }\n  .id-enc-card { background: #0f172a !important; border: 1px solid #334155 !important; border-radius: 10px; overflow: hidden; }\n  .id-enc-card-head { background: #0e7490 !important; color: #ffffff !important; padding: 10px 16px; font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; }\n  .id-enc-table { width: 100%; border-collapse: collapse; }\n  .id-enc-table th { background: #1e293b !important; color: #94a3b8 !important; font-size: 12px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; padding: 8px 12px; text-align: left; }\n  .id-enc-table td { padding: 10px 12px; border-bottom: 1px solid #1e293b !important; font-size: 14px; }\n  .id-enc-table td:first-child { color: #e2e8f0 !important; font-weight: 600; }\n  .id-enc-table td:not(:first-child) { color: #ffffff !important; text-align: center; }\n  .id-enc-table tr:last-child td { border-bottom: none !important; }\n  .id-enc-table .id-optimal td { background: #0c2a30 !important; }\n  .id-enc-table .id-optimal td:first-child { color: #4ade80 !important; }\n  .id-char { font-size: 11px; color: #64748b !important; display: block; font-weight: 400; margin-top: 2px; }\n  .id-graph-wrap { background: #0f172a !important; border: 1px solid #334155 !important; border-radius: 10px; padding: 16px; margin: 16px 0; }\n  .id-graph-title { color: #94a3b8 !important; font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; margin: 0 0 10px 0; }\n  .id-graph-legend { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 10px; }\n  .id-graph-legend-item { display: flex; align-items: center; gap: 6px; font-size: 12px; color: #64748b !important; }\n  .id-graph-legend-swatch { width: 24px; height: 3px; border-radius: 2px; display: inline-block; }\n  .id-enc-note { background: #1e293b !important; border: 1px solid #334155 !important; border-radius: 8px; padding: 16px 18px; margin: 18px 0 0 0; }\n  .id-enc-note p { color: #e2e8f0 !important; font-size: 14px; margin: 0; line-height: 1.6; }\n  .id-enc-link { color: #06b6d4 !important; text-decoration: underline; }\n\u003c\/style\u003e\n\u003cdiv class=\"id-enc\"\u003e\n\u003ch3\u003eSealed Enclosure Performance: Pre-Calculated Results\u003c\/h3\u003e\n\u003cp\u003eUsing Image Dynamics' published Thiele-Small parameters and their recommended sealed volumes, here are the predicted Qtc, system resonance (Fc), and F3 rolloff. Volumes are net internal per the IDQ Series manual. Calculated using the same formulas as the Audio Intensity Sealed Box Calculator.\u003c\/p\u003e\n\u003cp\u003eThe IDQ10 runs high Qtc across the sealed range, producing punchy, impactful bass with a strong midbass lift. This is consistent with the IDQ Series design philosophy: dynamic impact and presence in compact enclosures rather than flat Butterworth accuracy. The F3 values land in the 41-48 Hz range sealed, with ported alignments extending to 28 Hz in the Audiophile configuration. The D4 runs higher Qtc than D2 at the same volume due to its smaller Vas.\u003c\/p\u003e\n\u003cdiv class=\"id-enc-grid\"\u003e\n\u003cdiv class=\"id-enc-card\"\u003e\n\u003cdiv class=\"id-enc-card-head\"\u003eD2 — Dual 2 Ohm  |  Qts 0.797  |  Fs 42 Hz  |  Vas 24.3 L\u003c\/div\u003e\n\u003ctable class=\"id-enc-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBox Volume\u003c\/th\u003e\n\u003cth\u003eQtc\u003c\/th\u003e\n\u003cth\u003eFc\u003c\/th\u003e\n\u003cth\u003eF3\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e0.60 cu ft\u003cspan class=\"id-char\"\u003eCompact \/ max power handling (450W)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.242\u003c\/td\u003e\n\u003ctd\u003e65.5 Hz\u003c\/td\u003e\n\u003ctd\u003e47.7 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"id-optimal\"\u003e\n\u003ctd\u003e1.10 cu ft ★\u003cspan class=\"id-char\"\u003eUniversal \/ balanced (350W max)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.063\u003c\/td\u003e\n\u003ctd\u003e56.0 Hz\u003c\/td\u003e\n\u003ctd\u003e42.9 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1.60 cu ft\u003cspan class=\"id-char\"\u003eAudiophile \/ most extension (250W max)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.988\u003c\/td\u003e\n\u003ctd\u003e52.1 Hz\u003c\/td\u003e\n\u003ctd\u003e41.2 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"id-enc-card\"\u003e\n\u003cdiv class=\"id-enc-card-head\"\u003eD4 — Dual 4 Ohm  |  Qts 0.868  |  Fs 42 Hz  |  Vas 21.32 L\u003c\/div\u003e\n\u003ctable class=\"id-enc-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBox Volume\u003c\/th\u003e\n\u003cth\u003eQtc\u003c\/th\u003e\n\u003cth\u003eFc\u003c\/th\u003e\n\u003cth\u003eF3\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e0.60 cu ft\u003cspan class=\"id-char\"\u003eCompact \/ max power handling (450W)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.303\u003c\/td\u003e\n\u003ctd\u003e63.1 Hz\u003c\/td\u003e\n\u003ctd\u003e45.4 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"id-optimal\"\u003e\n\u003ctd\u003e1.10 cu ft ★\u003cspan class=\"id-char\"\u003eUniversal \/ balanced (350W max)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.127\u003c\/td\u003e\n\u003ctd\u003e54.5 Hz\u003c\/td\u003e\n\u003ctd\u003e40.9 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1.60 cu ft\u003cspan class=\"id-char\"\u003eAudiophile \/ most extension (250W max)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.053\u003c\/td\u003e\n\u003ctd\u003e50.9 Hz\u003c\/td\u003e\n\u003ctd\u003e39.2 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"id-enc-grid\"\u003e\n\u003cdiv class=\"id-graph-wrap\"\u003e\n\u003cp class=\"id-graph-title\"\u003eD2 Frequency 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253.9,43.8 255.1,43.9 256.3,44.0 257.6,44.1 258.8,44.2 260.0,44.3 261.3,44.4 262.5,44.5 263.7,44.6 264.9,44.7 266.2,44.8 267.4,44.9 268.6,45.0 269.8,45.2 271.1,45.3 272.3,45.4 273.5,45.5 274.7,45.6 276.0,45.7 277.2,45.8 278.4,45.9 279.7,46.0 280.9,46.1 282.1,46.2 283.3,46.3 284.6,46.4 285.8,46.5 287.0,46.6 288.2,46.7 289.5,46.7 290.7,46.8 291.9,46.9 293.1,47.0 294.4,47.1 295.6,47.2 296.8,47.3 298.1,47.4 299.3,47.4 300.5,47.5 301.7,47.6 303.0,47.7 304.2,47.8 305.4,47.8 306.6,47.9 307.9,48.0 309.1,48.1 310.3,48.1 311.5,48.2 312.8,48.3 314.0,48.3 315.2,48.4 316.5,48.5 317.7,48.5 318.9,48.6 320.1,48.7 321.4,48.7 322.6,48.8 323.8,48.8 325.0,48.9 326.3,49.0 327.5,49.0 328.7,49.1 329.9,49.1 331.2,49.2 332.4,49.2 333.6,49.3 334.9,49.3 336.1,49.4 337.3,49.4 338.5,49.5 339.8,49.5 341.0,49.6 342.2,49.6 343.4,49.7 344.7,49.7 345.9,49.8 347.1,49.8 348.3,49.8 349.6,49.9 350.8,49.9 352.0,50.0 353.3,50.0 354.5,50.0 355.7,50.1 356.9,50.1 358.2,50.2 359.4,50.2 360.6,50.2 361.8,50.3 363.1,50.3 364.3,50.3 365.5,50.4 366.7,50.4 368.0,50.4 369.2,50.4 370.4,50.5 371.7,50.5 372.9,50.5 374.1,50.6 375.3,50.6 376.6,50.6 377.8,50.6 379.0,50.7 380.2,50.7 381.5,50.7 382.7,50.7 383.9,50.8 385.1,50.8 386.4,50.8 387.6,50.8 388.8,50.9 390.1,50.9 391.3,50.9 392.5,50.9 393.7,51.0 395.0,51.0 396.2,51.0 397.4,51.0 398.6,51.0 399.9,51.1 401.1,51.1 402.3,51.1 403.5,51.1 404.8,51.1 406.0,51.1\"\u003e\u003c\/polyline\u003e\n\u003c\/svg\u003e\n\u003cdiv class=\"id-graph-legend\"\u003e\n\u003cspan class=\"id-graph-legend-item\"\u003e\u003cspan style=\"background: #ef4444;\" class=\"id-graph-legend-swatch\"\u003e\u003c\/span\u003e0.60 cu ft (Qtc 1.303)\u003c\/span\u003e \u003cspan class=\"id-graph-legend-item\"\u003e\u003cspan style=\"background: #4ade80;\" class=\"id-graph-legend-swatch\"\u003e\u003c\/span\u003e1.10 cu ft (Qtc 1.127) ★\u003c\/span\u003e \u003cspan class=\"id-graph-legend-item\"\u003e\u003cspan style=\"background: #06b6d4;\" class=\"id-graph-legend-swatch\"\u003e\u003c\/span\u003e1.60 cu ft (Qtc 1.053)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"id-enc-note\"\u003e\n\u003cp\u003e\u003cstrong style=\"color: #06b6d4 !important;\"\u003ePower handling and ported options:\u003c\/strong\u003e Sealed enclosure power handling decreases as volume increases: 450W at 0.60 cu ft, 350W at 1.10 cu ft, 250W at 1.60 cu ft. The IDQ10 ported alignments bring F3 down to 28 Hz in the Audiophile 1.75 cu ft configuration tuned to 30 Hz. For the full port dimensions of each ported alignment, refer to the IDQ Series V.4 manual. \u003ca href=\"\/pages\/sealed-box-calculator\" class=\"id-enc-link\"\u003eRun your own numbers in the Sealed Box Calculator.\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #0f172a !important; border: 1px solid #334155 !important; border-radius: 8px; padding: 16px 20px; margin: 24px 0;\"\u003e\n\u003cp style=\"color: #e2e8f0 !important; font-size: 15px; margin: 0; line-height: 1.6;\"\u003eReady to build? The \u003cstrong style=\"color: #06b6d4 !important;\"\u003eEnclosures tab above\u003c\/strong\u003e lists the Proline X sealed enclosures we build specifically for 10 inch drivers, CNC-cut in Tullahoma, Tennessee.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Image Dynamics","offers":[{"title":"Dual 2 ohm","offer_id":41741636534361,"sku":"IDQ10 D2 V4","price":238.99,"currency_code":"USD","in_stock":true},{"title":"Dual 4 ohm","offer_id":41741636567129,"sku":"IDQ10 D4 V4","price":238.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/image-dynamics-idq10-v4-10-inch-subwoofersubwooferimage-dynamics-405243.jpg?v=1761970182"},{"product_id":"image-dynamics-idq12d2-v4","title":"Image Dynamics IDQ12 V4 12 inch Subwoofer","description":"\u003cstyle\u003e\n  .id-wrap { max-width: 100%; font-family: inherit; color: #e2e8f0 !important; }\n  .id-hero { background: #0f172a !important; border: 1px solid #334155 !important; padding: 36px 28px; border-radius: 12px; margin-bottom: 28px; border-bottom: 4px solid #0e7490 !important; }\n  .id-eyebrow { color: #94a3b8 !important; font-size: 13px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; margin: 0 0 10px 0; }\n  .id-hero h2 { color: #ffffff !important; font-size: 28px; margin: 0 0 8px 0; line-height: 1.2; }\n  .id-hero p { color: #e2e8f0 !important; font-size: 16px; margin: 0 0 18px 0; }\n  .id-badges { display: flex; flex-wrap: wrap; gap: 8px; }\n  .id-badge { background: #0e7490 !important; color: #ffffff !important; font-size: 13px; font-weight: 600; padding: 6px 12px; border-radius: 4px; }\n  .id-badge-alt { background: #1e293b !important; color: #e2e8f0 !important; border: 1px solid #334155 !important; }\n  .id-wrap h3 { color: #ffffff !important; font-size: 22px; margin: 28px 0 12px 0; border-left: 4px solid #0e7490 !important; padding-left: 12px; }\n  .id-wrap p { color: #e2e8f0 !important; font-size: 16px; line-height: 1.65; margin: 0 0 14px 0; }\n  .id-callout { background: #1e293b !important; border: 1px solid #94a3b8 !important; border-radius: 8px; padding: 18px 20px; margin: 22px 0; }\n  .id-callout p { color: #e2e8f0 !important; margin: 0; }\n  .id-warn { background: #0c2a30 !important; border: 1px solid #0e7490 !important; border-radius: 8px; padding: 16px 18px; margin: 22px 0; }\n  .id-warn p { color: #e2e8f0 !important; margin: 0; font-size: 15px; line-height: 1.6; }\n  .id-statgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin: 22px 0; }\n  .id-stat { background: #0f172a !important; border: 1px solid #334155 !important; border-radius: 8px; padding: 16px; text-align: center; }\n  .id-stat .id-statnum { color: #06b6d4 !important; font-size: 22px; font-weight: 700; display: block; }\n  .id-stat .id-statlabel { color: #94a3b8 !important; font-size: 12px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; display: block; margin-top: 4px; }\n  .id-cta { background: #0f172a !important; border: 1px solid #334155 !important; padding: 28px; border-radius: 12px; margin-top: 30px; text-align: center; border-top: 4px solid #0e7490 !important; }\n  .id-cta h3 { color: #ffffff !important; border-left: none !important; padding-left: 0; margin-top: 0; }\n  .id-cta p { color: #e2e8f0 !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"id-wrap\"\u003e\n\u003cdiv class=\"id-hero\"\u003e\n\u003cp class=\"id-eyebrow\"\u003eImage Dynamics IDQ Series Subwoofers\u003c\/p\u003e\n\u003ch2\u003eImage Dynamics IDQ12 V.4 12 Inch Subwoofer\u003c\/h2\u003e\n\u003cp\u003eThe flagship of the IDQ Series. A 280 ounce motor, 375 watts RMS, 510.72 cm2 of cone area, field-replaceable cone assembly, and the same American-made aluminum flat-wound extended voice coil that defines the IDQ platform. This is the IDQ driver that competes in large vehicle builds and serious sound quality events.\u003c\/p\u003e\n\u003cdiv class=\"id-badges\"\u003e\n\u003cspan class=\"id-badge\"\u003e375W RMS\u003c\/span\u003e \u003cspan class=\"id-badge\"\u003e750W Peak\u003c\/span\u003e \u003cspan class=\"id-badge\"\u003e280 oz Motor\u003c\/span\u003e \u003cspan class=\"id-badge id-badge-alt\"\u003eField-Replaceable Cone\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eThe 280 Ounce Motor\u003c\/h3\u003e\n\u003cp\u003eThe IDQ12 V.4 uses a 280 ounce Extended Y-35 motor, up from 180 ounces on the IDQ8 and IDQ10. The additional motor mass provides more magnetic flux density in the voice coil gap, stronger motor force relative to the moving mass of the 12 inch cone, and more thermal mass to absorb heat during sustained high-power operation. The result is 375 watts RMS continuous power handling from a driver that also has to control a 510.72 cm2 cone with 14.5mm of one-way Xmax.\u003c\/p\u003e\n\u003cp\u003eThe IDQ12 is 20.3 pounds. That weight is the 280 ounce motor. Budget 12 inch drivers weigh 7 to 10 pounds. The mass difference is the difference between a motor that is sized for the cone it drives and one that is not.\u003c\/p\u003e\n\u003cdiv class=\"id-statgrid\"\u003e\n\u003cdiv class=\"id-stat\"\u003e\n\u003cspan class=\"id-statnum\"\u003e280 oz\u003c\/span\u003e\u003cspan class=\"id-statlabel\"\u003eMotor\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"id-stat\"\u003e\n\u003cspan class=\"id-statnum\"\u003e375W\u003c\/span\u003e\u003cspan class=\"id-statlabel\"\u003eRMS Power\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"id-stat\"\u003e\n\u003cspan class=\"id-statnum\"\u003e14.5mm\u003c\/span\u003e\u003cspan class=\"id-statlabel\"\u003eXmax\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"id-stat\"\u003e\n\u003cspan class=\"id-statnum\"\u003e16-Screw\u003c\/span\u003e\u003cspan class=\"id-statlabel\"\u003eReplaceable Cone\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"id-warn\"\u003e\n\u003cp\u003e\u003cstrong style=\"color: #06b6d4 !important;\"\u003eD2 impedance warning:\u003c\/strong\u003e The IDQ12 D2 has a DC resistance of 1.4 ohms per coil. Wired in parallel, the combined load is approximately 0.7 ohms, which is below the 1-ohm stable rating of most amplifiers. Wire the D2 in series to present 4 ohms unless your amplifier is explicitly rated for sub-1-ohm loads. The D4 wired in parallel presents 2 ohms, compatible with virtually all Class D monoblocks.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eIDQ Series Construction at 12 Inches\u003c\/h3\u003e\n\u003cp\u003eEvery IDQ construction feature scales to the 12 inch platform: Parabolic Santoprene surround for long-term compliance retention and linearity at 14.5mm excursion, Poly\/Mica cone for stiffness-to-weight ratio and controlled damping, Nomex spider for thermal stability during sustained 375 watt use, Polycarbonate neck joint to isolate voice coil heat from the cone, and the BASV former with 38.3mm of voice coil winding height keeping substantial coil length in the magnetic gap across the full excursion range.\u003c\/p\u003e\n\u003cp\u003eThe field-replaceable cone assembly is the same 16-screw design as the IDQ8 and IDQ10. Remove the screws, position the replacement with alignment shims, reinstall. No adhesive, no specialized tools, no professional service. The 280 ounce motor structure that represents the largest portion of the driver's cost and manufacturing complexity stays in service. Only the cone assembly is replaced.\u003c\/p\u003e\n\u003ch3\u003eIDQ12 vs ID12: The Motor Makes the Difference\u003c\/h3\u003e\n\u003cp\u003eThe Image Dynamics ID12 V.4 uses a 127 ounce motor, copper voice coil wire, and a fixed cone assembly. The IDQ12 uses a 280 ounce motor, aluminum flat-wound extended voice coil, and a field-replaceable cone assembly. The IDQ12 handles 375 watts RMS versus 250 watts on the ID12. These are fundamentally different drivers built to different standards for different use cases.\u003c\/p\u003e\n\u003ch3\u003eSealed and Ported Performance\u003c\/h3\u003e\n\u003cp\u003eThe IDQ12 sealed range runs from 0.65 cubic feet (Compact, 650W max) through 1.8 cubic feet (Audiophile, 375W max). The ported range extends from 1.0 cubic feet at 40 Hz through 2.0 cubic feet at 30 Hz, reaching F3 at 32 Hz in the Audiophile configuration. These are the published specifications for listeners who want the maximum deep bass extension the IDQ12 can produce in a properly built ported enclosure. Port dimensions for each alignment are in the IDQ Series V.4 manual.\u003c\/p\u003e\n\u003cdiv class=\"id-callout\"\u003e\n\u003cp\u003e\u003cstrong\u003eFitment at a glance:\u003c\/strong\u003e mounting depth 5.91 inches, cutout 10.937 inches, outside diameter 12.46 inches, driver displacement 0.10 cubic feet, net weight 20.3 lbs. Confirm mounting location can support the driver weight before installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eBuilt and Backed\u003c\/h3\u003e\n\u003cp\u003eHand-built in Ontario, California. The Image Dynamics IDQ12 V.4 carries a 1-year limited warranty through authorized dealers. Every unit sold by Audio Intensity is brand new with full warranty coverage.\u003c\/p\u003e\n\u003cdiv class=\"id-cta\"\u003e\n\u003ch3\u003eAuthorized Image Dynamics Dealer\u003c\/h3\u003e\n\u003cp\u003eAudio Intensity ships the Image Dynamics IDQ12 V.4 fast from Tullahoma, Tennessee. This is a serious driver that rewards careful system matching. Tell us your amplifier, your enclosure space, and your application and we will help you build the right system around it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\n  .id-enc { max-width: 100%; font-family: inherit; }\n  .id-enc h3 { color: #ffffff !important; font-size: 22px; margin: 28px 0 12px 0; border-left: 4px solid #0e7490 !important; padding-left: 12px; }\n  .id-enc p { color: #e2e8f0 !important; font-size: 16px; line-height: 1.65; margin: 0 0 14px 0; }\n  .id-enc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 20px 0; }\n  @media (max-width: 640px) { .id-enc-grid { grid-template-columns: 1fr; } }\n  .id-enc-card { background: #0f172a !important; border: 1px solid #334155 !important; border-radius: 10px; overflow: hidden; }\n  .id-enc-card-head { background: #0e7490 !important; color: #ffffff !important; padding: 10px 16px; font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; }\n  .id-enc-table { width: 100%; border-collapse: collapse; }\n  .id-enc-table th { background: #1e293b !important; color: #94a3b8 !important; font-size: 12px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; padding: 8px 12px; text-align: left; }\n  .id-enc-table td { padding: 10px 12px; border-bottom: 1px solid #1e293b !important; font-size: 14px; }\n  .id-enc-table td:first-child { color: #e2e8f0 !important; font-weight: 600; }\n  .id-enc-table td:not(:first-child) { color: #ffffff !important; text-align: center; }\n  .id-enc-table tr:last-child td { border-bottom: none !important; }\n  .id-enc-table .id-optimal td { background: #0c2a30 !important; }\n  .id-enc-table .id-optimal td:first-child { color: #4ade80 !important; }\n  .id-char { font-size: 11px; color: #64748b !important; display: block; font-weight: 400; margin-top: 2px; }\n  .id-graph-wrap { background: #0f172a !important; border: 1px solid #334155 !important; border-radius: 10px; padding: 16px; margin: 16px 0; }\n  .id-graph-title { color: #94a3b8 !important; font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; margin: 0 0 10px 0; }\n  .id-graph-legend { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 10px; }\n  .id-graph-legend-item { display: flex; align-items: center; gap: 6px; font-size: 12px; color: #64748b !important; }\n  .id-graph-legend-swatch { width: 24px; height: 3px; border-radius: 2px; display: inline-block; }\n  .id-enc-note { background: #1e293b !important; border: 1px solid #334155 !important; border-radius: 8px; padding: 16px 18px; margin: 18px 0 0 0; }\n  .id-enc-note p { color: #e2e8f0 !important; font-size: 14px; margin: 0; line-height: 1.6; }\n  .id-enc-link { color: #06b6d4 !important; text-decoration: underline; }\n  .id-enc-warn { background: #0c2a30 !important; border: 1px solid #0e7490 !important; border-radius: 8px; padding: 14px 16px; margin: 14px 0; }\n  .id-enc-warn p { color: #e2e8f0 !important; font-size: 14px; margin: 0; }\n\u003c\/style\u003e\n\u003cdiv class=\"id-enc\"\u003e\n\u003ch3\u003eSealed Enclosure Performance: Pre-Calculated Results\u003c\/h3\u003e\n\u003cp\u003eUsing Image Dynamics' published Thiele-Small parameters and their recommended sealed volumes, here are the predicted Qtc, system resonance (Fc), and F3 rolloff. Volumes are net internal per the IDQ Series manual. Calculated using the same formulas as the Audio Intensity Sealed Box Calculator.\u003c\/p\u003e\n\u003cdiv class=\"id-enc-warn\"\u003e\n\u003cp\u003e\u003cstrong style=\"color: #06b6d4 !important;\"\u003eD2 impedance note:\u003c\/strong\u003e The IDQ12 D2 has a DC resistance of 1.4 ohms per coil. Wired in parallel, the combined load is approximately 0.7 ohms, which is below the 1-ohm stable rating of most Class D amplifiers. Wire the D2 in series (4 ohms) unless your amplifier is rated for sub-1-ohm loads. The D4 wired in parallel presents 2 ohms, which is broadly compatible.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"id-enc-grid\"\u003e\n\u003cdiv class=\"id-enc-card\"\u003e\n\u003cdiv class=\"id-enc-card-head\"\u003eD2 — Dual 2 Ohm  |  Qts 0.681  |  Fs 34 Hz  |  Vas 48.57 L\u003c\/div\u003e\n\u003ctable class=\"id-enc-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBox Volume\u003c\/th\u003e\n\u003cth\u003eQtc\u003c\/th\u003e\n\u003cth\u003eFc\u003c\/th\u003e\n\u003cth\u003eF3\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e0.65 cu ft\u003cspan class=\"id-char\"\u003eCompact \/ max power handling (650W)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.299\u003c\/td\u003e\n\u003ctd\u003e64.9 Hz\u003c\/td\u003e\n\u003ctd\u003e46.7 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"id-optimal\"\u003e\n\u003ctd\u003e1.0 cu ft ★\u003cspan class=\"id-char\"\u003eUniversal \/ balanced (550W max)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.122\u003c\/td\u003e\n\u003ctd\u003e56.0 Hz\u003c\/td\u003e\n\u003ctd\u003e42.1 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1.8 cu ft\u003cspan class=\"id-char\"\u003eAudiophile \/ most extension (375W max)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.952\u003c\/td\u003e\n\u003ctd\u003e47.5 Hz\u003c\/td\u003e\n\u003ctd\u003e38.2 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"id-enc-card\"\u003e\n\u003cdiv class=\"id-enc-card-head\"\u003eD4 — Dual 4 Ohm  |  Qts 0.740  |  Fs 35 Hz  |  Vas 47.22 L\u003c\/div\u003e\n\u003ctable class=\"id-enc-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBox Volume\u003c\/th\u003e\n\u003cth\u003eQtc\u003c\/th\u003e\n\u003cth\u003eFc\u003c\/th\u003e\n\u003cth\u003eF3\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e0.65 cu ft\u003cspan class=\"id-char\"\u003eCompact \/ max power handling (650W)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.397\u003c\/td\u003e\n\u003ctd\u003e66.1 Hz\u003c\/td\u003e\n\u003ctd\u003e46.8 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"id-optimal\"\u003e\n\u003ctd\u003e1.0 cu ft ★\u003cspan class=\"id-char\"\u003eUniversal \/ balanced (550W max)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.209\u003c\/td\u003e\n\u003ctd\u003e57.2 Hz\u003c\/td\u003e\n\u003ctd\u003e42.0 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1.8 cu ft\u003cspan class=\"id-char\"\u003eAudiophile \/ most extension (375W max)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.027\u003c\/td\u003e\n\u003ctd\u003e48.6 Hz\u003c\/td\u003e\n\u003ctd\u003e37.8 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"id-enc-grid\"\u003e\n\u003cdiv class=\"id-graph-wrap\"\u003e\n\u003cp class=\"id-graph-title\"\u003eD2 Frequency Response 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365.5,50.6 366.7,50.6 368.0,50.6 369.2,50.6 370.4,50.7 371.7,50.7 372.9,50.7 374.1,50.8 375.3,50.8 376.6,50.8 377.8,50.8 379.0,50.8 380.2,50.9 381.5,50.9 382.7,50.9 383.9,50.9 385.1,51.0 386.4,51.0 387.6,51.0 388.8,51.0 390.1,51.0 391.3,51.1 392.5,51.1 393.7,51.1 395.0,51.1 396.2,51.1 397.4,51.1 398.6,51.2 399.9,51.2 401.1,51.2 402.3,51.2 403.5,51.2 404.8,51.2 406.0,51.2\"\u003e\u003c\/polyline\u003e\n\u003c\/svg\u003e\n\u003cdiv class=\"id-graph-legend\"\u003e\n\u003cspan class=\"id-graph-legend-item\"\u003e\u003cspan style=\"background: #ef4444;\" class=\"id-graph-legend-swatch\"\u003e\u003c\/span\u003e0.65 cu ft (Qtc 1.397)\u003c\/span\u003e \u003cspan class=\"id-graph-legend-item\"\u003e\u003cspan style=\"background: #4ade80;\" class=\"id-graph-legend-swatch\"\u003e\u003c\/span\u003e1.0 cu ft (Qtc 1.209) ★\u003c\/span\u003e \u003cspan class=\"id-graph-legend-item\"\u003e\u003cspan style=\"background: #06b6d4;\" class=\"id-graph-legend-swatch\"\u003e\u003c\/span\u003e1.8 cu ft (Qtc 1.027)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"id-enc-note\"\u003e\n\u003cp\u003e\u003cstrong style=\"color: #06b6d4 !important;\"\u003ePower handling and ported options:\u003c\/strong\u003e Sealed enclosure power handling decreases as volume increases: 650W at 0.65 cu ft, 550W at 1.0 cu ft, 375W at 1.8 cu ft. The IDQ12 ported alignments extend F3 down to 32 Hz in the Audiophile 2.0 cu ft configuration tuned to 30 Hz. Port dimensions for each alignment are in the IDQ Series V.4 manual. \u003ca href=\"\/pages\/sealed-box-calculator\" class=\"id-enc-link\"\u003eRun your own numbers in the Sealed Box Calculator.\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #0f172a !important; border: 1px solid #334155 !important; border-radius: 8px; padding: 16px 20px; margin: 24px 0;\"\u003e\n\u003cp style=\"color: #e2e8f0 !important; font-size: 15px; margin: 0; line-height: 1.6;\"\u003eReady to build? The \u003cstrong style=\"color: #06b6d4 !important;\"\u003eEnclosures tab above\u003c\/strong\u003e lists the Proline X sealed and ported enclosures we build specifically for 12 inch drivers, CNC-cut in Tullahoma, Tennessee.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Image Dynamics","offers":[{"title":"Dual 2 ohm","offer_id":41762708553817,"sku":"IDQ12 D2 V4","price":280.99,"currency_code":"USD","in_stock":false},{"title":"Dual 4 ohm","offer_id":41762708586585,"sku":"IDQ12 D4 V4","price":280.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/image-dynamics-idq12-v4-12-inch-subwoofersubwooferimage-dynamics-827482.jpg?v=1761970190"},{"product_id":"image-dynamics-idq8d2-v4-8inch-subwoofer","title":"Image Dynamics IDQ8 V4 8 inch Subwoofer","description":"\u003cstyle\u003e\n  .id-wrap { max-width: 100%; font-family: inherit; color: #e2e8f0 !important; }\n  .id-hero { background: #0f172a !important; border: 1px solid #334155 !important; padding: 36px 28px; border-radius: 12px; margin-bottom: 28px; border-bottom: 4px solid #0e7490 !important; }\n  .id-eyebrow { color: #94a3b8 !important; font-size: 13px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; margin: 0 0 10px 0; }\n  .id-hero h2 { color: #ffffff !important; font-size: 28px; margin: 0 0 8px 0; line-height: 1.2; }\n  .id-hero p { color: #e2e8f0 !important; font-size: 16px; margin: 0 0 18px 0; }\n  .id-badges { display: flex; flex-wrap: wrap; gap: 8px; }\n  .id-badge { background: #0e7490 !important; color: #ffffff !important; font-size: 13px; font-weight: 600; padding: 6px 12px; border-radius: 4px; }\n  .id-badge-alt { background: #1e293b !important; color: #e2e8f0 !important; border: 1px solid #334155 !important; }\n  .id-wrap h3 { color: #ffffff !important; font-size: 22px; margin: 28px 0 12px 0; border-left: 4px solid #0e7490 !important; padding-left: 12px; }\n  .id-wrap p { color: #e2e8f0 !important; font-size: 16px; line-height: 1.65; margin: 0 0 14px 0; }\n  .id-callout { background: #1e293b !important; border: 1px solid #94a3b8 !important; border-radius: 8px; padding: 18px 20px; margin: 22px 0; }\n  .id-callout p { color: #e2e8f0 !important; margin: 0; }\n  .id-statgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin: 22px 0; }\n  .id-stat { background: #0f172a !important; border: 1px solid #334155 !important; border-radius: 8px; padding: 16px; text-align: center; }\n  .id-stat .id-statnum { color: #06b6d4 !important; font-size: 22px; font-weight: 700; display: block; }\n  .id-stat .id-statlabel { color: #94a3b8 !important; font-size: 12px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; display: block; margin-top: 4px; }\n  .id-cta { background: #0f172a !important; border: 1px solid #334155 !important; padding: 28px; border-radius: 12px; margin-top: 30px; text-align: center; border-top: 4px solid #0e7490 !important; }\n  .id-cta h3 { color: #ffffff !important; border-left: none !important; padding-left: 0; margin-top: 0; }\n  .id-cta p { color: #e2e8f0 !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"id-wrap\"\u003e\n\u003cdiv class=\"id-hero\"\u003e\n\u003cp class=\"id-eyebrow\"\u003eImage Dynamics IDQ Series Subwoofers\u003c\/p\u003e\n\u003ch2\u003eImage Dynamics IDQ8 V.4 8 Inch Subwoofer\u003c\/h2\u003e\n\u003cp\u003eThe sound quality champion of compact 8 inch subwoofers. The IDQ8 V.4 uses a 180 ounce motor, 14.5mm Xmax, aluminum flat-wound extended voice coil, and a field-replaceable cone assembly with no glue required. Built and serviced in the USA for over a decade in sound quality competition.\u003c\/p\u003e\n\u003cdiv class=\"id-badges\"\u003e\n\u003cspan class=\"id-badge\"\u003e125W RMS\u003c\/span\u003e \u003cspan class=\"id-badge\"\u003e250W Peak\u003c\/span\u003e \u003cspan class=\"id-badge\"\u003eField-Replaceable Cone\u003c\/span\u003e \u003cspan class=\"id-badge id-badge-alt\"\u003eDual 2 or Dual 4 Ohm\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eIDQ vs ID: A Different Platform Entirely\u003c\/h3\u003e\n\u003cp\u003eThe Image Dynamics IDQ8 V.4 is not a more expensive version of the Image Dynamics ID8 V.4. It is a different driver built around different engineering priorities. Where the ID8 uses a 90 ounce motor and copper voice coil wire, the IDQ8 uses a 180 ounce motor and aluminum flat-wound extended voice coil. Where the ID8 has a fixed cone assembly, the IDQ8 uses a field-replaceable cone assembly held by 16 screws with no adhesive, replaceable in under 15 minutes without specialized tools. The motor structure, voice coil geometry, and enclosure behavior are all different.\u003c\/p\u003e\n\u003cp\u003eThe IDQ Series exists because Image Dynamics identified a specific performance target: maximum tonal accuracy and dynamic impact in compact sealed enclosures, with a construction standard robust enough for long-term competition use and simple enough to service in the field. The IDQ8 has been the driver of choice for sound quality competitors in IASCA and MECA events for over a decade. That track record is the product of this specific platform, not the ID Series.\u003c\/p\u003e\n\u003cdiv class=\"id-statgrid\"\u003e\n\u003cdiv class=\"id-stat\"\u003e\n\u003cspan class=\"id-statnum\"\u003e180 oz\u003c\/span\u003e\u003cspan class=\"id-statlabel\"\u003eMotor\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"id-stat\"\u003e\n\u003cspan class=\"id-statnum\"\u003e14.5mm\u003c\/span\u003e\u003cspan class=\"id-statlabel\"\u003eXmax\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"id-stat\"\u003e\n\u003cspan class=\"id-statnum\"\u003e0.33\u003c\/span\u003e\u003cspan class=\"id-statlabel\"\u003eCu Ft Min Sealed\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"id-stat\"\u003e\n\u003cspan class=\"id-statnum\"\u003e16-Screw\u003c\/span\u003e\u003cspan class=\"id-statlabel\"\u003eReplaceable Cone\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eAmerican Made Flat Wound Extended Voice Coil\u003c\/h3\u003e\n\u003cp\u003eThe IDQ8 V.4 uses an American-made aluminum flat-wound voice coil on a BASV former with 38.3mm (1.5 inch) of winding height. Flat-wound wire increases packing density in the magnetic gap, which means more conductor length and more motor force per unit gap height. The extended geometry keeps substantial coil length in the magnetic field throughout the full 14.5mm excursion range, maintaining motor linearity at both ends of travel. Aluminum wire has higher electrical conductivity per unit mass than copper, which reduces voice coil mass while keeping resistance in a workable range for 125 watt continuous power handling.\u003c\/p\u003e\n\u003ch3\u003eField-Replaceable Cone Assembly\u003c\/h3\u003e\n\u003cp\u003eThe field-replaceable cone assembly is the feature that distinguishes the IDQ Series from virtually every other production subwoofer. The entire cone, surround, spider, neck joint, and voice coil are integrated into a single assembly held to the basket by 16 screws and positioned by alignment shims. Remove the screws, lift out the assembly, position the replacement, insert the shims, reinstall the screws, remove the shims. No adhesive, no curing time, no professional reconing service required.\u003c\/p\u003e\n\u003cp\u003eThis matters because 8 inch subwoofers used in competition and daily high-excursion builds eventually need service. The alternative to a field-replaceable design is either a professional reconing service costing more than the driver or a replacement purchase. With the IDQ8, you buy a recone kit, do the job yourself, and the motor structure continues in service. Image Dynamics calls this the \"green\" approach and it is simply a better product design for anyone who plans to keep a subwoofer for years.\u003c\/p\u003e\n\u003ch3\u003eIDQ8 in Sealed Enclosures\u003c\/h3\u003e\n\u003cp\u003eThe IDQ8 is engineered specifically for small sealed enclosures. The very small Vas (6.662 L for D2) means the acoustic stiffness of even a modest sealed box dominates the system resonance, which gives the driver precise acoustic control from small volumes. The recommended sealed range runs from 0.33 to 0.73 cubic feet. The enclosure performance section below shows Qtc and F3 for both variants across all three volumes.\u003c\/p\u003e\n\u003cp\u003eThe IDQ8 also supports ported applications, with published alignments from 0.50 to 1.00 cubic feet tuned to 40 Hz, extending F3 down to 32-37 Hz for listeners who have the enclosure space and want deeper extension. Ported port dimensions are in the IDQ Series V.4 manual.\u003c\/p\u003e\n\u003cdiv class=\"id-callout\"\u003e\n\u003cp\u003e\u003cstrong\u003eFitment at a glance:\u003c\/strong\u003e mounting depth 4.92 inches, cutout 7.25 inches, outside diameter 8.35 inches, driver displacement 0.05 cubic feet. Enclosure volumes are net internal per Image Dynamics specifications. Break-in period of several days to one week is recommended before reaching optimal performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eD2 or D4\u003c\/h3\u003e\n\u003cp\u003eThe D2 wires to 1 ohm or 4 ohms; the D4 wires to 2 ohms or 8 ohms. The D4 has slightly higher sensitivity at 84 dB versus 82 dB for the D2. The T\/S parameters differ between variants (Vas 6.662 L D2 vs 6.191 L D4) but both produce very similar sealed alignments. Choose based on your amplifier's preferred impedance.\u003c\/p\u003e\n\u003ch3\u003eBuilt and Backed\u003c\/h3\u003e\n\u003cp\u003eHand-built in Ontario, California. The Image Dynamics IDQ8 V.4 carries a 1-year limited warranty through authorized dealers. Every unit sold by Audio Intensity is brand new with full warranty coverage.\u003c\/p\u003e\n\u003cdiv class=\"id-cta\"\u003e\n\u003ch3\u003eAuthorized Image Dynamics Dealer\u003c\/h3\u003e\n\u003cp\u003eAudio Intensity ships the Image Dynamics IDQ8 V.4 fast from Tullahoma, Tennessee. Tell us your enclosure space and your amplifier and we will help you build the right box for the application.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\n  .id-enc { max-width: 100%; font-family: inherit; }\n  .id-enc h3 { color: #ffffff !important; font-size: 22px; margin: 28px 0 12px 0; border-left: 4px solid #0e7490 !important; padding-left: 12px; }\n  .id-enc p { color: #e2e8f0 !important; font-size: 16px; line-height: 1.65; margin: 0 0 14px 0; }\n  .id-enc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 20px 0; }\n  @media (max-width: 640px) { .id-enc-grid { grid-template-columns: 1fr; } }\n  .id-enc-card { background: #0f172a !important; border: 1px solid #334155 !important; border-radius: 10px; overflow: hidden; }\n  .id-enc-card-head { background: #0e7490 !important; color: #ffffff !important; padding: 10px 16px; font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; }\n  .id-enc-table { width: 100%; border-collapse: collapse; }\n  .id-enc-table th { background: #1e293b !important; color: #94a3b8 !important; font-size: 12px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; padding: 8px 12px; text-align: left; }\n  .id-enc-table td { padding: 10px 12px; border-bottom: 1px solid #1e293b !important; font-size: 14px; }\n  .id-enc-table td:first-child { color: #e2e8f0 !important; font-weight: 600; }\n  .id-enc-table td:not(:first-child) { color: #ffffff !important; text-align: center; }\n  .id-enc-table tr:last-child td { border-bottom: none !important; }\n  .id-enc-table .id-optimal td { background: #0c2a30 !important; }\n  .id-enc-table .id-optimal td:first-child { color: #4ade80 !important; }\n  .id-char { font-size: 11px; color: #64748b !important; display: block; font-weight: 400; margin-top: 2px; }\n  .id-graph-wrap { background: #0f172a !important; border: 1px solid #334155 !important; border-radius: 10px; padding: 16px; margin: 16px 0; }\n  .id-graph-title { color: #94a3b8 !important; font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; margin: 0 0 10px 0; }\n  .id-graph-legend { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 10px; }\n  .id-graph-legend-item { display: flex; align-items: center; gap: 6px; font-size: 12px; color: #64748b !important; }\n  .id-graph-legend-swatch { width: 24px; height: 3px; border-radius: 2px; display: inline-block; }\n  .id-enc-note { background: #1e293b !important; border: 1px solid #334155 !important; border-radius: 8px; padding: 16px 18px; margin: 18px 0 0 0; }\n  .id-enc-note p { color: #e2e8f0 !important; font-size: 14px; margin: 0; line-height: 1.6; }\n  .id-enc-link { color: #06b6d4 !important; text-decoration: underline; }\n  .id-enc-warn { background: #0c2a30 !important; border: 1px solid #0e7490 !important; border-radius: 8px; padding: 14px 16px; margin: 14px 0; }\n  .id-enc-warn p { color: #e2e8f0 !important; font-size: 14px; margin: 0; }\n\u003c\/style\u003e\n\u003cdiv class=\"id-enc\"\u003e\n\u003ch3\u003eSealed Enclosure Performance: Pre-Calculated Results\u003c\/h3\u003e\n\u003cp\u003eUsing Image Dynamics' published Thiele-Small parameters and their recommended sealed volumes, here are the predicted Qtc, system resonance (Fc), and F3 rolloff. Volumes are net internal per the IDQ Series manual. Calculated using the same formulas as the Audio Intensity Sealed Box Calculator.\u003c\/p\u003e\n\u003cp\u003eThe IDQ8 is a high-Qts driver with an extremely small Vas (6.66 L for D2), engineered specifically for small sealed enclosures where high acoustic stiffness controls excursion and shapes the alignment. The high Fs (51 Hz) means the sealed F3 sits in the 47-51 Hz range, which is the tradeoff for operating well in very compact boxes. The ported alignments, listed below, bring F3 down significantly for listeners who have the enclosure volume and want deeper extension.\u003c\/p\u003e\n\u003cdiv class=\"id-enc-grid\"\u003e\n\u003cdiv class=\"id-enc-card\"\u003e\n\u003cdiv class=\"id-enc-card-head\"\u003eD2 — Dual 2 Ohm  |  Qts 0.807  |  Fs 51 Hz  |  Vas 6.662 L\u003c\/div\u003e\n\u003ctable class=\"id-enc-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBox Volume\u003c\/th\u003e\n\u003cth\u003eQtc\u003c\/th\u003e\n\u003cth\u003eFc\u003c\/th\u003e\n\u003cth\u003eF3\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e0.33 cu ft\u003cspan class=\"id-char\"\u003eCompact \/ max power handling (250W)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.056\u003c\/td\u003e\n\u003ctd\u003e66.7 Hz\u003c\/td\u003e\n\u003ctd\u003e51.3 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"id-optimal\"\u003e\n\u003ctd\u003e0.53 cu ft ★\u003cspan class=\"id-char\"\u003eUniversal \/ balanced (200W max)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.970\u003c\/td\u003e\n\u003ctd\u003e61.3 Hz\u003c\/td\u003e\n\u003ctd\u003e48.9 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e0.73 cu ft\u003cspan class=\"id-char\"\u003eAudiophile \/ most extension (150W max)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.928\u003c\/td\u003e\n\u003ctd\u003e58.6 Hz\u003c\/td\u003e\n\u003ctd\u003e47.8 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"id-enc-card\"\u003e\n\u003cdiv class=\"id-enc-card-head\"\u003eD4 — Dual 4 Ohm  |  Qts 0.839  |  Fs 51 Hz  |  Vas 6.191 L\u003c\/div\u003e\n\u003ctable class=\"id-enc-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBox Volume\u003c\/th\u003e\n\u003cth\u003eQtc\u003c\/th\u003e\n\u003cth\u003eFc\u003c\/th\u003e\n\u003cth\u003eF3\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e0.33 cu ft\u003cspan class=\"id-char\"\u003eCompact \/ max power handling (250W)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.082\u003c\/td\u003e\n\u003ctd\u003e65.8 Hz\u003c\/td\u003e\n\u003ctd\u003e50.1 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"id-optimal\"\u003e\n\u003ctd\u003e0.53 cu ft ★\u003cspan class=\"id-char\"\u003eUniversal \/ balanced (200W max)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.997\u003c\/td\u003e\n\u003ctd\u003e60.6 Hz\u003c\/td\u003e\n\u003ctd\u003e47.7 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e0.73 cu ft\u003cspan class=\"id-char\"\u003eAudiophile \/ most extension (150W max)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.956\u003c\/td\u003e\n\u003ctd\u003e58.1 Hz\u003c\/td\u003e\n\u003ctd\u003e46.7 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"id-enc-grid\"\u003e\n\u003cdiv class=\"id-graph-wrap\"\u003e\n\u003cp class=\"id-graph-title\"\u003eD2 Frequency 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374.1,50.5 375.3,50.5 376.6,50.6 377.8,50.6 379.0,50.6 380.2,50.6 381.5,50.7 382.7,50.7 383.9,50.7 385.1,50.7 386.4,50.8 387.6,50.8 388.8,50.8 390.1,50.8 391.3,50.8 392.5,50.9 393.7,50.9 395.0,50.9 396.2,50.9 397.4,51.0 398.6,51.0 399.9,51.0 401.1,51.0 402.3,51.0 403.5,51.1 404.8,51.1 406.0,51.1\" fill=\"none\" stroke=\"#06b6d4\" stroke-width=\"1.5\" stroke-linejoin=\"round\" stroke-dasharray=\"5 3\"\u003e\u003c\/polyline\u003e\n\u003c\/svg\u003e\n\u003cdiv class=\"id-graph-legend\"\u003e\n\u003cspan class=\"id-graph-legend-item\"\u003e\u003cspan class=\"id-graph-legend-swatch\" style=\"background: #ef4444;\"\u003e\u003c\/span\u003e0.33 cu ft (Qtc 1.082)\u003c\/span\u003e \u003cspan class=\"id-graph-legend-item\"\u003e\u003cspan class=\"id-graph-legend-swatch\" style=\"background: #4ade80;\"\u003e\u003c\/span\u003e0.53 cu ft (Qtc 0.997) ★\u003c\/span\u003e \u003cspan class=\"id-graph-legend-item\"\u003e\u003cspan class=\"id-graph-legend-swatch\" style=\"background: #06b6d4;\"\u003e\u003c\/span\u003e0.73 cu ft (Qtc 0.956)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"id-enc-note\"\u003e\n\u003cp\u003e\u003cstrong style=\"color: #06b6d4 !important;\"\u003ePorted extension and power notes:\u003c\/strong\u003e The IDQ8 ported alignments bring F3 down to 32-37 Hz at volumes of 0.50-1.00 cu ft tuned to 40 Hz. For listeners who want genuine deep bass from an 8 inch driver and have the enclosure space, the ported option is worth considering. Power handling follows the same de-rating as sealed: larger boxes reduce acoustic stiffness and allow more excursion. Match your amplifier to the enclosure you plan to build. Port dimensions for each ported alignment are in the IDQ Series V.4 manual. \u003ca class=\"id-enc-link\" href=\"\/pages\/sealed-box-calculator\"\u003eRun your own numbers in the Sealed Box Calculator.\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #0f172a !important; border: 1px solid #334155 !important; border-radius: 8px; padding: 16px 20px; margin: 24px 0;\"\u003e\n\u003cp style=\"color: #e2e8f0 !important; font-size: 15px; margin: 0; line-height: 1.6;\"\u003eReady to build? The \u003cstrong style=\"color: #06b6d4 !important;\"\u003eEnclosures tab above\u003c\/strong\u003e lists the Proline X sealed enclosures we build specifically for 8 inch drivers, CNC-cut in Tullahoma, Tennessee.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Image Dynamics","offers":[{"title":"Dual 2 ohm","offer_id":41762711601241,"sku":"IDQ8 D2 V4","price":193.99,"currency_code":"USD","in_stock":true},{"title":"Dual 4 ohm","offer_id":41762711634009,"sku":"IDQ8 D4 V4","price":193.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/image-dynamics-idq8-v4-8inch-subwoofersubwooferimage-dynamics-514968.jpg?v=1761970190"},{"product_id":"image-dynamics-id8-v4-8inch-subwoofer","title":"Image Dynamics ID8 V4 8inch Subwoofer","description":"\u003cstyle\u003e\n  .id-wrap { max-width: 100%; font-family: inherit; color: #e2e8f0 !important; }\n  .id-hero { background: #0f172a !important; border: 1px solid #334155 !important; padding: 36px 28px; border-radius: 12px; margin-bottom: 28px; border-bottom: 4px solid #0e7490 !important; }\n  .id-eyebrow { color: #94a3b8 !important; font-size: 13px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; margin: 0 0 10px 0; }\n  .id-hero h2 { color: #ffffff !important; font-size: 28px; margin: 0 0 8px 0; line-height: 1.2; }\n  .id-hero p { color: #e2e8f0 !important; font-size: 16px; margin: 0 0 18px 0; }\n  .id-badges { display: flex; flex-wrap: wrap; gap: 8px; }\n  .id-badge { background: #0e7490 !important; color: #ffffff !important; font-size: 13px; font-weight: 600; padding: 6px 12px; border-radius: 4px; }\n  .id-badge-alt { background: #1e293b !important; color: #e2e8f0 !important; border: 1px solid #334155 !important; }\n  .id-wrap h3 { color: #ffffff !important; font-size: 22px; margin: 28px 0 12px 0; border-left: 4px solid #0e7490 !important; padding-left: 12px; }\n  .id-wrap p { color: #e2e8f0 !important; font-size: 16px; line-height: 1.65; margin: 0 0 14px 0; }\n  .id-callout { background: #1e293b !important; border: 1px solid #94a3b8 !important; border-radius: 8px; padding: 18px 20px; margin: 22px 0; }\n  .id-callout p { color: #e2e8f0 !important; margin: 0; }\n  .id-statgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin: 22px 0; }\n  .id-stat { background: #0f172a !important; border: 1px solid #334155 !important; border-radius: 8px; padding: 16px; text-align: center; }\n  .id-stat .id-statnum { color: #06b6d4 !important; font-size: 22px; font-weight: 700; display: block; }\n  .id-stat .id-statlabel { color: #94a3b8 !important; font-size: 12px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; display: block; margin-top: 4px; }\n  .id-cta { background: #0f172a !important; border: 1px solid #334155 !important; padding: 28px; border-radius: 12px; margin-top: 30px; text-align: center; border-top: 4px solid #0e7490 !important; }\n  .id-cta h3 { color: #ffffff !important; border-left: none !important; padding-left: 0; margin-top: 0; }\n  .id-cta p { color: #e2e8f0 !important; }\n\u003c\/style\u003e\n\n\u003cdiv class=\"id-wrap\"\u003e\n\n  \u003cdiv class=\"id-hero\"\u003e\n    \u003cp class=\"id-eyebrow\"\u003eImage Dynamics ID Series Subwoofers\u003c\/p\u003e\n    \u003ch2\u003eImage Dynamics ID8 V.4 8 Inch Subwoofer\u003c\/h2\u003e\n    \u003cp\u003eHand-built in the USA since 1992. The ID8 V.4 fits into enclosures as small as 0.20 cubic feet, handles 150 watts RMS, and uses construction materials that Image Dynamics specifies by name: Parabolic Santoprene surround, Poly\/Mica cone, Hybrid Progressive Nomex spider, BASV former.\u003c\/p\u003e\n    \u003cdiv class=\"id-badges\"\u003e\n      \u003cspan class=\"id-badge\"\u003e150W RMS\u003c\/span\u003e\n      \u003cspan class=\"id-badge\"\u003e300W Peak\u003c\/span\u003e\n      \u003cspan class=\"id-badge\"\u003eHand-Built in the USA\u003c\/span\u003e\n      \u003cspan class=\"id-badge id-badge-alt\"\u003eDual 2 or Dual 4 Ohm\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003ch3\u003eMicro Enclosure, Real Bass\u003c\/h3\u003e\n  \u003cp\u003eThe Image Dynamics ID8 V.4 is engineered for installations where enclosure volume is the hard constraint. The recommended sealed range starts at 0.20 cubic feet, which fits under seats, in door pods, in cargo corners, and behind panels that no larger driver can reach. At 0.35 cubic feet, the Universal alignment delivers balanced, musical bass for daily use. At 0.45 cubic feet, the Audiophile alignment extends further at the cost of some power handling headroom.\u003c\/p\u003e\n  \u003cp\u003eThis is not a budget driver with a budget price that happens to fit in small boxes. Image Dynamics engineered the ID Series from the start for small enclosure performance: a Qts of 0.463 (D2) provides a well-controlled sealed alignment across the full recommended volume range, and 12.5mm of one-way Xmax gives the driver real excursion capability within those compact dimensions.\u003c\/p\u003e\n\n  \u003cdiv class=\"id-statgrid\"\u003e\n    \u003cdiv class=\"id-stat\"\u003e\n\u003cspan class=\"id-statnum\"\u003e0.20\u003c\/span\u003e\u003cspan class=\"id-statlabel\"\u003eCu Ft Min Sealed\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"id-stat\"\u003e\n\u003cspan class=\"id-statnum\"\u003e12.5mm\u003c\/span\u003e\u003cspan class=\"id-statlabel\"\u003eXmax\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"id-stat\"\u003e\n\u003cspan class=\"id-statnum\"\u003e150W\u003c\/span\u003e\u003cspan class=\"id-statlabel\"\u003eRMS Power\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"id-stat\"\u003e\n\u003cspan class=\"id-statnum\"\u003e4.45 in\u003c\/span\u003e\u003cspan class=\"id-statlabel\"\u003eMounting Depth\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003ch3\u003eMaterials That Matter\u003c\/h3\u003e\n  \u003cp\u003eThe Parabolic Santoprene surround is the first thing to understand. Santoprene is a thermoplastic rubber compound with exceptional UV resistance, temperature stability, and long-term compliance retention. Image Dynamics chose it specifically for automotive use where surrounds face heat, cold, and sun exposure that destroy foam and degrade generic rubber over time. The parabolic profile maintains cone linearity at high excursion.\u003c\/p\u003e\n  \u003cp\u003eThe Poly\/Mica cone embeds mica particles in a polypropylene matrix to increase cone stiffness without adding mass. Stiffer cone, lower distortion, more accurate bass reproduction at all volume levels. The Hybrid Progressive Nomex spider gives firm control at high output and maintains fine detail at low listening levels simultaneously, which is why the ID Series has been used in sound quality competition as well as daily listening builds.\u003c\/p\u003e\n  \u003cp\u003eThe BASV (Body Alignment Stiffening Voice Coil) former pulls heat away from the voice coil winding during sustained high-power operation. Better heat dissipation equals longer driver life at rated power, and Image Dynamics rates the ID8 V.4 at a consistent 150 watts RMS continuous precisely because they design to that figure rather than inflating it.\u003c\/p\u003e\n\n  \u003ch3\u003eThe Extended Y-35 Motor\u003c\/h3\u003e\n  \u003cp\u003eY-35 grade motor steel has a higher magnetic flux density than standard motor steel, which increases efficiency and bass output per watt. The Extended Y-35 motor on the ID8 V.4 provides enhanced power handling and additional cooling for the voice coil. With a 90 ounce motor assembly and only an 8-inch cone to drive, the ID8 has strong motor force relative to its moving mass, which contributes to its tight, controlled bass character in sealed enclosures.\u003c\/p\u003e\n\n  \u003ch3\u003eEnclosure Flexibility\u003c\/h3\u003e\n  \u003cp\u003eImage Dynamics recommends sealed enclosures for the ID Series for optimal sound quality, but the ID8 V.4 supports sealed, ported, and bandpass applications. The sealed range of 0.20 to 0.45 cubic feet covers everything from the tightest under-seat build to a dedicated audiophile enclosure. Ported alignment extends F3 down to 34 Hz in the Audiophile 0.90 cubic foot configuration at reduced power handling. The enclosure performance section below shows the calculated sealed alignments for both D2 and D4 variants.\u003c\/p\u003e\n\n  \u003cdiv class=\"id-callout\"\u003e\n    \u003cp\u003e\u003cstrong\u003eFitment at a glance:\u003c\/strong\u003e mounting depth 4.45 inches, cutout 7.125 inches, outside diameter 8.375 inches, driver displacement 0.0525 cubic feet. For ported enclosure dimensions and port specifications, the ID Series manual provides Compact, Universal, and Audiophile ported configurations with port diameter and length.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003ch3\u003eD2 or D4\u003c\/h3\u003e\n  \u003cp\u003eThe D2 wires to 1 ohm or 4 ohms; the D4 wires to 2 ohms or 8 ohms. The variants have meaningfully different Thiele-Small parameters: the D2 has a larger Vas (26.01 L vs 13.47 L), producing a different sealed alignment character at the same box size. The enclosure performance section below shows exactly how they differ. Choose based on your amplifier's preferred impedance first.\u003c\/p\u003e\n\n  \u003ch3\u003eBuilt and Backed\u003c\/h3\u003e\n  \u003cp\u003eHand-built in Ontario, California since 1992. Image Dynamics covers the ID8 V.4 with a 1-year limited warranty through authorized dealers. Every unit sold by Audio Intensity is brand new with full warranty coverage.\u003c\/p\u003e\n\n  \u003cdiv class=\"id-cta\"\u003e\n    \u003ch3\u003eAuthorized Image Dynamics Dealer\u003c\/h3\u003e\n    \u003cp\u003eAudio Intensity ships the Image Dynamics ID8 V.4 fast from Tullahoma, Tennessee, with real installer support. Tell us your available enclosure space and your amplifier and we will help you pick the right voice coil and build the right box.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003cstyle\u003e\n  .id-enc { max-width: 100%; font-family: inherit; }\n  .id-enc h3 { color: #ffffff !important; font-size: 22px; margin: 28px 0 12px 0; border-left: 4px solid #0e7490 !important; padding-left: 12px; }\n  .id-enc p { color: #e2e8f0 !important; font-size: 16px; line-height: 1.65; margin: 0 0 14px 0; }\n  .id-enc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 20px 0; }\n  @media (max-width: 640px) { .id-enc-grid { grid-template-columns: 1fr; } }\n  .id-enc-card { background: #0f172a !important; border: 1px solid #334155 !important; border-radius: 10px; overflow: hidden; }\n  .id-enc-card-head { background: #0e7490 !important; color: #ffffff !important; padding: 10px 16px; font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; }\n  .id-enc-table { width: 100%; border-collapse: collapse; }\n  .id-enc-table th { background: #1e293b !important; color: #94a3b8 !important; font-size: 12px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; padding: 8px 12px; text-align: left; }\n  .id-enc-table td { padding: 10px 12px; border-bottom: 1px solid #1e293b !important; font-size: 14px; }\n  .id-enc-table td:first-child { color: #e2e8f0 !important; font-weight: 600; }\n  .id-enc-table td:not(:first-child) { color: #ffffff !important; text-align: center; }\n  .id-enc-table tr:last-child td { border-bottom: none !important; }\n  .id-enc-table .id-optimal td { background: #0c2a30 !important; }\n  .id-enc-table .id-optimal td:first-child { color: #4ade80 !important; }\n  .id-char { font-size: 11px; color: #64748b !important; display: block; font-weight: 400; margin-top: 2px; }\n  .id-graph-wrap { background: #0f172a !important; border: 1px solid #334155 !important; border-radius: 10px; padding: 16px; margin: 16px 0; }\n  .id-graph-title { color: #94a3b8 !important; font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; margin: 0 0 10px 0; }\n  .id-graph-legend { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 10px; }\n  .id-graph-legend-item { display: flex; align-items: center; gap: 6px; font-size: 12px; color: #64748b !important; }\n  .id-graph-legend-swatch { width: 24px; height: 3px; border-radius: 2px; display: inline-block; }\n  .id-enc-note { background: #1e293b !important; border: 1px solid #334155 !important; border-radius: 8px; padding: 16px 18px; margin: 18px 0 0 0; }\n  .id-enc-note p { color: #e2e8f0 !important; font-size: 14px; margin: 0; line-height: 1.6; }\n  .id-enc-link { color: #06b6d4 !important; text-decoration: underline; }\n  .id-enc-warn { background: #0c2a30 !important; border: 1px solid #0e7490 !important; border-radius: 8px; padding: 14px 16px; margin: 14px 0; }\n  .id-enc-warn p { color: #e2e8f0 !important; font-size: 14px; margin: 0; }\n\u003c\/style\u003e\n\n\u003cdiv class=\"id-enc\"\u003e\n  \u003ch3\u003eSealed Enclosure Performance: Pre-Calculated Results\u003c\/h3\u003e\n  \u003cp\u003eUsing Image Dynamics' published Thiele-Small parameters, here are the predicted Qtc, system resonance (Fc), and F3 rolloff for each sealed volume. Volumes are net internal (including driver displacement), per the ID Series manual. Calculated using the same formulas as the Audio Intensity Sealed Box Calculator.\u003c\/p\u003e\n\n  \u003cdiv class=\"id-enc-warn\"\u003e\n    \u003cp\u003e\u003cstrong style=\"color:#06b6d4 !important;\"\u003eD2 vs D4 alignment note:\u003c\/strong\u003e The D2 and D4 have significantly different Vas values (26.01 L vs 13.47 L), which produces different sealed alignments in the same enclosure. The D4's smaller Vas means it is relatively less affected by sealed box volume, running lower Qtc and lower F3 at the same box size. Image Dynamics publishes a single F3 table covering both variants; the calculated values below reflect the actual measured difference between them.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"id-enc-grid\"\u003e\n    \u003cdiv class=\"id-enc-card\"\u003e\n      \u003cdiv class=\"id-enc-card-head\"\u003eD2 — Dual 2 Ohm  |  Qts 0.463  |  Fs 31 Hz  |  Vas 26.01 L\u003c\/div\u003e\n      \u003ctable class=\"id-enc-table\"\u003e\n        \u003ctr\u003e\n\u003cth\u003eBox Volume\u003c\/th\u003e\n\u003cth\u003eQtc\u003c\/th\u003e\n\u003cth\u003eFc\u003c\/th\u003e\n\u003cth\u003eF3\u003c\/th\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e0.20 cu ft\u003cspan class=\"id-char\"\u003eCompact \/ max power handling (250W)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.095\u003c\/td\u003e\n\u003ctd\u003e73.3 Hz\u003c\/td\u003e\n\u003ctd\u003e55.6 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr class=\"id-optimal\"\u003e\n\u003ctd\u003e0.35 cu ft ★\u003cspan class=\"id-char\"\u003eUniversal \/ balanced (200W max)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.881\u003c\/td\u003e\n\u003ctd\u003e59.0 Hz\u003c\/td\u003e\n\u003ctd\u003e49.6 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e0.45 cu ft\u003cspan class=\"id-char\"\u003eAudiophile \/ most extension (150W max)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.807\u003c\/td\u003e\n\u003ctd\u003e54.1 Hz\u003c\/td\u003e\n\u003ctd\u003e48.2 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"id-enc-card\"\u003e\n      \u003cdiv class=\"id-enc-card-head\"\u003eD4 — Dual 4 Ohm  |  Qts 0.674  |  Fs 31 Hz  |  Vas 13.47 L\u003c\/div\u003e\n      \u003ctable class=\"id-enc-table\"\u003e\n        \u003ctr\u003e\n\u003cth\u003eBox Volume\u003c\/th\u003e\n\u003cth\u003eQtc\u003c\/th\u003e\n\u003cth\u003eFc\u003c\/th\u003e\n\u003cth\u003eF3\u003c\/th\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e0.20 cu ft\u003cspan class=\"id-char\"\u003eCompact \/ max power handling (250W)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.239\u003c\/td\u003e\n\u003ctd\u003e57.0 Hz\u003c\/td\u003e\n\u003ctd\u003e41.6 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr class=\"id-optimal\"\u003e\n\u003ctd\u003e0.35 cu ft ★\u003cspan class=\"id-char\"\u003eUniversal \/ balanced (200W max)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.035\u003c\/td\u003e\n\u003ctd\u003e47.6 Hz\u003c\/td\u003e\n\u003ctd\u003e36.9 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e0.45 cu ft\u003cspan class=\"id-char\"\u003eAudiophile \/ most extension (150W max)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.967\u003c\/td\u003e\n\u003ctd\u003e44.5 Hz\u003c\/td\u003e\n\u003ctd\u003e35.5 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"id-enc-grid\"\u003e\n    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363.1,50.9 364.3,50.9 365.5,50.9 366.7,51.0 368.0,51.0 369.2,51.0 370.4,51.0 371.7,51.0 372.9,51.1 374.1,51.1 375.3,51.1 376.6,51.1 377.8,51.1 379.0,51.1 380.2,51.2 381.5,51.2 382.7,51.2 383.9,51.2 385.1,51.2 386.4,51.2 387.6,51.3 388.8,51.3 390.1,51.3 391.3,51.3 392.5,51.3 393.7,51.3 395.0,51.3 396.2,51.4 397.4,51.4 398.6,51.4 399.9,51.4 401.1,51.4 402.3,51.4 403.5,51.4 404.8,51.4 406.0,51.4\" fill=\"none\" stroke=\"#06b6d4\" stroke-width=\"1.5\" stroke-linejoin=\"round\" stroke-dasharray=\"5 3\"\u003e\u003c\/polyline\u003e\n\u003c\/svg\u003e\n      \u003cdiv class=\"id-graph-legend\"\u003e\n        \u003cspan class=\"id-graph-legend-item\"\u003e\u003cspan class=\"id-graph-legend-swatch\" style=\"background:#ef4444;\"\u003e\u003c\/span\u003e0.20 cu ft (Qtc 1.239)\u003c\/span\u003e\n        \u003cspan class=\"id-graph-legend-item\"\u003e\u003cspan class=\"id-graph-legend-swatch\" style=\"background:#4ade80;\"\u003e\u003c\/span\u003e0.35 cu ft (Qtc 1.035) ★\u003c\/span\u003e\n        \u003cspan class=\"id-graph-legend-item\"\u003e\u003cspan class=\"id-graph-legend-swatch\" style=\"background:#06b6d4;\"\u003e\u003c\/span\u003e0.45 cu ft (Qtc 0.967)\u003c\/span\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"id-enc-note\"\u003e\n    \u003cp\u003e\u003cstrong style=\"color:#06b6d4 !important;\"\u003ePower handling note:\u003c\/strong\u003e Image Dynamics rates sealed enclosure power handling by volume. The 0.20 cu ft Compact alignment supports 250 watts RMS; the Universal 0.35 cu ft supports 200 watts RMS; the Audiophile 0.45 cu ft supports 150 watts RMS. Larger boxes reduce acoustic stiffness and allow more cone excursion at low frequencies, which limits power handling. Match your amplifier to the enclosure you plan to build. \u003ca class=\"id-enc-link\" href=\"\/pages\/sealed-box-calculator\"\u003eRun your own numbers in the Sealed Box Calculator.\u003c\/a\u003e\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #0f172a !important; border: 1px solid #334155 !important; border-radius: 8px; padding: 16px 20px; margin: 24px 0;\"\u003e\n  \u003cp style=\"color: #e2e8f0 !important; font-size: 15px; margin: 0; line-height: 1.6;\"\u003eReady to build? The \u003cstrong style=\"color: #06b6d4 !important;\"\u003eEnclosures tab above\u003c\/strong\u003e lists the Proline X sealed enclosures we build specifically for 8 inch drivers, CNC-cut in Tullahoma, Tennessee.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Image Dynamics","offers":[{"title":"Dual 2 ohm","offer_id":41762717007961,"sku":"ID8 D2 V4","price":99.99,"currency_code":"USD","in_stock":true},{"title":"Dual 4 ohm","offer_id":41762717040729,"sku":"ID8 D4 V4","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/image-dynamics-id8-v4-8inch-subwoofersubwooferimage-dynamics-209018.jpg?v=1761970190"},{"product_id":"image-dynamics-id12-v4-12-inch-subwoofer","title":"Image Dynamics ID12 V4 12 inch Subwoofer","description":"\u003cstyle\u003e\n  .id-wrap { max-width: 100%; font-family: inherit; color: #e2e8f0 !important; }\n  .id-hero { background: #0f172a !important; border: 1px solid #334155 !important; padding: 36px 28px; border-radius: 12px; margin-bottom: 28px; border-bottom: 4px solid #0e7490 !important; }\n  .id-eyebrow { color: #94a3b8 !important; font-size: 13px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; margin: 0 0 10px 0; }\n  .id-hero h2 { color: #ffffff !important; font-size: 28px; margin: 0 0 8px 0; line-height: 1.2; }\n  .id-hero p { color: #e2e8f0 !important; font-size: 16px; margin: 0 0 18px 0; }\n  .id-badges { display: flex; flex-wrap: wrap; gap: 8px; }\n  .id-badge { background: #0e7490 !important; color: #ffffff !important; font-size: 13px; font-weight: 600; padding: 6px 12px; border-radius: 4px; }\n  .id-badge-alt { background: #1e293b !important; color: #e2e8f0 !important; border: 1px solid #334155 !important; }\n  .id-wrap h3 { color: #ffffff !important; font-size: 22px; margin: 28px 0 12px 0; border-left: 4px solid #0e7490 !important; padding-left: 12px; }\n  .id-wrap p { color: #e2e8f0 !important; font-size: 16px; line-height: 1.65; margin: 0 0 14px 0; }\n  .id-callout { background: #1e293b !important; border: 1px solid #94a3b8 !important; border-radius: 8px; padding: 18px 20px; margin: 22px 0; }\n  .id-callout p { color: #e2e8f0 !important; margin: 0; }\n  .id-statgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin: 22px 0; }\n  .id-stat { background: #0f172a !important; border: 1px solid #334155 !important; border-radius: 8px; padding: 16px; text-align: center; }\n  .id-stat .id-statnum { color: #06b6d4 !important; font-size: 22px; font-weight: 700; display: block; }\n  .id-stat .id-statlabel { color: #94a3b8 !important; font-size: 12px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; display: block; margin-top: 4px; }\n  .id-cta { background: #0f172a !important; border: 1px solid #334155 !important; padding: 28px; border-radius: 12px; margin-top: 30px; text-align: center; border-top: 4px solid #0e7490 !important; }\n  .id-cta h3 { color: #ffffff !important; border-left: none !important; padding-left: 0; margin-top: 0; }\n  .id-cta p { color: #e2e8f0 !important; }\n\u003c\/style\u003e\n\n\u003cdiv class=\"id-wrap\"\u003e\n\n  \u003cdiv class=\"id-hero\"\u003e\n    \u003cp class=\"id-eyebrow\"\u003eImage Dynamics ID Series Subwoofers\u003c\/p\u003e\n    \u003ch2\u003eImage Dynamics ID12 V.4 12 Inch Subwoofer\u003c\/h2\u003e\n    \u003cp\u003eThe top of the ID Series. Maximum cone area, 497.60 cm2, in the same hand-built construction platform: Parabolic Santoprene surround, Poly\/Mica cone, BASV former, 250 watts RMS continuous. The D2 variant produces one of the flattest sealed alignments in the ID family.\u003c\/p\u003e\n    \u003cdiv class=\"id-badges\"\u003e\n      \u003cspan class=\"id-badge\"\u003e250W RMS\u003c\/span\u003e\n      \u003cspan class=\"id-badge\"\u003e500W Peak\u003c\/span\u003e\n      \u003cspan class=\"id-badge\"\u003eHand-Built in the USA\u003c\/span\u003e\n      \u003cspan class=\"id-badge id-badge-alt\"\u003eDual 2 or Dual 4 Ohm\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003ch3\u003eMaximum ID Series Output\u003c\/h3\u003e\n  \u003cp\u003eThe Image Dynamics ID12 V.4 brings the full ID Series construction to a 12 inch cone with 497.60 cm2 of piston area. More air movement at the same excursion, deeper extension in a properly sized box, and the capacity to fill larger vehicle cabins where a 10 inch driver runs out of displacement before it runs out of power. The ID12 handles 250 watts RMS continuous, the same as the ID10, but with the added advantage of a larger cone doing the work.\u003c\/p\u003e\n  \u003cp\u003eThe 2.0 inch BASV former and 127 ounce Extended Y-35 motor are the same specification as the ID10, scaled to drive a heavier 12 inch assembly. The Mms runs higher at 207.8 grams (D2), which shifts the Fs up to 45 Hz. This is the key difference from the ID8 and ID10: the ID12's higher Fs produces a distinctly different sealed alignment character, particularly in the D2 variant.\u003c\/p\u003e\n\n  \u003cdiv class=\"id-statgrid\"\u003e\n    \u003cdiv class=\"id-stat\"\u003e\n\u003cspan class=\"id-statnum\"\u003e0.80\u003c\/span\u003e\u003cspan class=\"id-statlabel\"\u003eCu Ft Min Sealed\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"id-stat\"\u003e\n\u003cspan class=\"id-statnum\"\u003e13.95mm\u003c\/span\u003e\u003cspan class=\"id-statlabel\"\u003eXmax\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"id-stat\"\u003e\n\u003cspan class=\"id-statnum\"\u003e250W\u003c\/span\u003e\u003cspan class=\"id-statlabel\"\u003eRMS Power\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"id-stat\"\u003e\n\u003cspan class=\"id-statnum\"\u003e86 dB\u003c\/span\u003e\u003cspan class=\"id-statlabel\"\u003eSensitivity\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003ch3\u003eA Different Character in Sealed\u003c\/h3\u003e\n  \u003cp\u003eThe ID8 and ID10 run high Qtc in sealed enclosures, producing the punchy, midbass-forward character that makes them impactful in daily use systems. The ID12 D2 behaves differently. With a Qts of 0.628 and Fs of 45 Hz, the D2 at 1.25 cubic feet produces a Qtc of 0.797, near-Butterworth, which means a flatter, more controlled response with better transient accuracy. This is a genuinely different tuning philosophy from the rest of the ID Series, and it makes the ID12 D2 the most accurate sealed alignment in the lineup.\u003c\/p\u003e\n  \u003cp\u003eThe D4 variant runs closer to the ID10 character, with Qtc from 0.99 to 1.14 across the sealed range, producing more midbass presence and punch. The choice between D2 and D4 here is also a choice between two meaningfully different sounds, not just two impedance options.\u003c\/p\u003e\n\n  \u003ch3\u003ePorted Deep Bass\u003c\/h3\u003e\n  \u003cp\u003eImage Dynamics recommends sealed for optimal sound quality, but the ID12 ported specifications are where the driver's low Fs advantage disappears and the large cone area takes over. The Audiophile 2.0 cubic foot ported alignment tuned to 30 Hz produces F3 at 26 Hz. That is exceptional for a 12 inch driver in a box that fits in most trunk builds, and it is the reason the ID Series has been competitive in sound quality events where low bass extension is scored.\u003c\/p\u003e\n\n  \u003cdiv class=\"id-callout\"\u003e\n    \u003cp\u003e\u003cstrong\u003eFitment at a glance:\u003c\/strong\u003e mounting depth 5.67 inches, cutout 11.0 inches, outside diameter 12.25 inches, driver displacement 0.122 cubic feet. Sealed volumes are net internal per Image Dynamics specifications. Ported enclosure volumes include port volume per the manual.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003ch3\u003eD2 or D4: Two Different Sounds\u003c\/h3\u003e\n  \u003cp\u003eThe ID12 D2 (Qts 0.628) and D4 (Qts 0.787) produce noticeably different sealed alignments at the same box volume. The D2 is the accurate, controlled option that approaches Butterworth in the Universal and Audiophile volumes. The D4 is the punchier, fuller-sounding option with more midbass presence. Match the impedance to your amplifier, but understand you are also choosing a sonic character.\u003c\/p\u003e\n\n  \u003ch3\u003eBuilt and Backed\u003c\/h3\u003e\n  \u003cp\u003eHand-built in Ontario, California. The Image Dynamics ID12 V.4 carries a 1-year limited warranty through authorized dealers. Every unit sold by Audio Intensity is brand new with full warranty coverage.\u003c\/p\u003e\n\n  \u003cdiv class=\"id-cta\"\u003e\n    \u003ch3\u003eAuthorized Image Dynamics Dealer\u003c\/h3\u003e\n    \u003cp\u003eAudio Intensity ships the Image Dynamics ID12 V.4 fast from Tullahoma, Tennessee. Tell us your enclosure space, your amplifier, and your listening priorities and we will help you match the right voice coil and enclosure alignment to your build.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003cstyle\u003e\n  .id-enc { max-width: 100%; font-family: inherit; }\n  .id-enc h3 { color: #ffffff !important; font-size: 22px; margin: 28px 0 12px 0; border-left: 4px solid #0e7490 !important; padding-left: 12px; }\n  .id-enc p { color: #e2e8f0 !important; font-size: 16px; line-height: 1.65; margin: 0 0 14px 0; }\n  .id-enc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 20px 0; }\n  @media (max-width: 640px) { .id-enc-grid { grid-template-columns: 1fr; } }\n  .id-enc-card { background: #0f172a !important; border: 1px solid #334155 !important; border-radius: 10px; overflow: hidden; }\n  .id-enc-card-head { background: #0e7490 !important; color: #ffffff !important; padding: 10px 16px; font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; }\n  .id-enc-table { width: 100%; border-collapse: collapse; }\n  .id-enc-table th { background: #1e293b !important; color: #94a3b8 !important; font-size: 12px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; padding: 8px 12px; text-align: left; }\n  .id-enc-table td { padding: 10px 12px; border-bottom: 1px solid #1e293b !important; font-size: 14px; }\n  .id-enc-table td:first-child { color: #e2e8f0 !important; font-weight: 600; }\n  .id-enc-table td:not(:first-child) { color: #ffffff !important; text-align: center; }\n  .id-enc-table tr:last-child td { border-bottom: none !important; }\n  .id-enc-table .id-optimal td { background: #0c2a30 !important; }\n  .id-enc-table .id-optimal td:first-child { color: #4ade80 !important; }\n  .id-char { font-size: 11px; color: #64748b !important; display: block; font-weight: 400; margin-top: 2px; }\n  .id-graph-wrap { background: #0f172a !important; border: 1px solid #334155 !important; border-radius: 10px; padding: 16px; margin: 16px 0; }\n  .id-graph-title { color: #94a3b8 !important; font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; margin: 0 0 10px 0; }\n  .id-graph-legend { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 10px; }\n  .id-graph-legend-item { display: flex; align-items: center; gap: 6px; font-size: 12px; color: #64748b !important; }\n  .id-graph-legend-swatch { width: 24px; height: 3px; border-radius: 2px; display: inline-block; }\n  .id-enc-note { background: #1e293b !important; border: 1px solid #334155 !important; border-radius: 8px; padding: 16px 18px; margin: 18px 0 0 0; }\n  .id-enc-note p { color: #e2e8f0 !important; font-size: 14px; margin: 0; line-height: 1.6; }\n  .id-enc-link { color: #06b6d4 !important; text-decoration: underline; }\n\u003c\/style\u003e\n\n\u003cdiv class=\"id-enc\"\u003e\n  \u003ch3\u003eSealed Enclosure Performance: Pre-Calculated Results\u003c\/h3\u003e\n  \u003cp\u003eUsing Image Dynamics' published Thiele-Small parameters, here are the predicted Qtc, system resonance (Fc), and F3 rolloff for each sealed volume. Volumes are net internal (including driver displacement), per the ID Series manual. Calculated using the same formulas as the Audio Intensity Sealed Box Calculator.\u003c\/p\u003e\n  \u003cp\u003eThe ID12 has a higher Fs (45 Hz) than the ID8 and ID10 (31-32 Hz), which shifts the sealed alignment upward. The D2 lands near Butterworth across the full sealed range (Qtc 0.77 to 0.88), producing a controlled, accurate bass response with minimal midbass lift. The D4 runs higher (Qtc 0.99 to 1.14), closer to the punchy character of the ID10. This makes the D2 the better choice for sound quality applications and the D4 for listeners who prefer more midbass impact.\u003c\/p\u003e\n\n  \u003cdiv class=\"id-enc-grid\"\u003e\n    \u003cdiv class=\"id-enc-card\"\u003e\n      \u003cdiv class=\"id-enc-card-head\"\u003eD2 — Dual 2 Ohm  |  Qts 0.628  |  Fs 45 Hz  |  Vas 21.65 L\u003c\/div\u003e\n      \u003ctable class=\"id-enc-table\"\u003e\n        \u003ctr\u003e\n\u003cth\u003eBox Volume\u003c\/th\u003e\n\u003cth\u003eQtc\u003c\/th\u003e\n\u003cth\u003eFc\u003c\/th\u003e\n\u003cth\u003eF3\u003c\/th\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e0.80 cu ft\u003cspan class=\"id-char\"\u003eCompact \/ max power handling (450W)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.878\u003c\/td\u003e\n\u003ctd\u003e62.9 Hz\u003c\/td\u003e\n\u003ctd\u003e53.0 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr class=\"id-optimal\"\u003e\n\u003ctd\u003e1.25 cu ft ★\u003cspan class=\"id-char\"\u003eUniversal \/ balanced (350W max)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.797\u003c\/td\u003e\n\u003ctd\u003e57.1 Hz\u003c\/td\u003e\n\u003ctd\u003e51.4 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e1.50 cu ft\u003cspan class=\"id-char\"\u003eAudiophile \/ most extension (250W max)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.772\u003c\/td\u003e\n\u003ctd\u003e55.3 Hz\u003c\/td\u003e\n\u003ctd\u003e51.1 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"id-enc-card\"\u003e\n      \u003cdiv class=\"id-enc-card-head\"\u003eD4 — Dual 4 Ohm  |  Qts 0.787  |  Fs 45 Hz  |  Vas 24.89 L\u003c\/div\u003e\n      \u003ctable class=\"id-enc-table\"\u003e\n        \u003ctr\u003e\n\u003cth\u003eBox Volume\u003c\/th\u003e\n\u003cth\u003eQtc\u003c\/th\u003e\n\u003cth\u003eFc\u003c\/th\u003e\n\u003cth\u003eF3\u003c\/th\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e0.80 cu ft\u003cspan class=\"id-char\"\u003eCompact \/ max power handling (450W)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.140\u003c\/td\u003e\n\u003ctd\u003e65.2 Hz\u003c\/td\u003e\n\u003ctd\u003e48.7 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr class=\"id-optimal\"\u003e\n\u003ctd\u003e1.25 cu ft ★\u003cspan class=\"id-char\"\u003eUniversal \/ balanced (350W max)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.027\u003c\/td\u003e\n\u003ctd\u003e58.7 Hz\u003c\/td\u003e\n\u003ctd\u003e45.6 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e1.50 cu ft\u003cspan class=\"id-char\"\u003eAudiophile \/ most extension (250W max)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.991\u003c\/td\u003e\n\u003ctd\u003e56.7 Hz\u003c\/td\u003e\n\u003ctd\u003e44.7 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"id-enc-grid\"\u003e\n    \u003cdiv class=\"id-graph-wrap\"\u003e\n      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356.9,50.0 358.2,50.0 359.4,50.0 360.6,50.1 361.8,50.1 363.1,50.1 364.3,50.2 365.5,50.2 366.7,50.2 368.0,50.3 369.2,50.3 370.4,50.3 371.7,50.4 372.9,50.4 374.1,50.4 375.3,50.5 376.6,50.5 377.8,50.5 379.0,50.6 380.2,50.6 381.5,50.6 382.7,50.6 383.9,50.7 385.1,50.7 386.4,50.7 387.6,50.7 388.8,50.8 390.1,50.8 391.3,50.8 392.5,50.8 393.7,50.9 395.0,50.9 396.2,50.9 397.4,50.9 398.6,50.9 399.9,51.0 401.1,51.0 402.3,51.0 403.5,51.0 404.8,51.0 406.0,51.1\" fill=\"none\" stroke=\"#06b6d4\" stroke-width=\"1.5\" stroke-linejoin=\"round\" stroke-dasharray=\"5 3\"\u003e\u003c\/polyline\u003e\n\u003c\/svg\u003e\n      \u003cdiv class=\"id-graph-legend\"\u003e\n        \u003cspan class=\"id-graph-legend-item\"\u003e\u003cspan class=\"id-graph-legend-swatch\" style=\"background:#ef4444;\"\u003e\u003c\/span\u003e0.80 cu ft (Qtc 1.140)\u003c\/span\u003e\n        \u003cspan class=\"id-graph-legend-item\"\u003e\u003cspan class=\"id-graph-legend-swatch\" style=\"background:#4ade80;\"\u003e\u003c\/span\u003e1.25 cu ft (Qtc 1.027) ★\u003c\/span\u003e\n        \u003cspan class=\"id-graph-legend-item\"\u003e\u003cspan class=\"id-graph-legend-swatch\" style=\"background:#06b6d4;\"\u003e\u003c\/span\u003e1.50 cu ft (Qtc 0.991)\u003c\/span\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"id-enc-note\"\u003e\n    \u003cp\u003e\u003cstrong style=\"color:#06b6d4 !important;\"\u003ePower handling and ported options:\u003c\/strong\u003e Sealed enclosure power handling decreases as volume increases: 450W at 0.80 cu ft, 350W at 1.25 cu ft, 250W at 1.50 cu ft. For ported applications, the ID12 reaches F3 as low as 26 Hz in the Audiophile 2.0 cu ft alignment tuned to 30 Hz. Ported port dimensions are in the ID Series V.4 manual. \u003ca class=\"id-enc-link\" href=\"\/pages\/sealed-box-calculator\"\u003eRun your own numbers in the Sealed Box Calculator.\u003c\/a\u003e\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #0f172a !important; border: 1px solid #334155 !important; border-radius: 8px; padding: 16px 20px; margin: 24px 0;\"\u003e\n  \u003cp style=\"color: #e2e8f0 !important; font-size: 15px; margin: 0; line-height: 1.6;\"\u003eReady to build? The \u003cstrong style=\"color: #06b6d4 !important;\"\u003eEnclosures tab above\u003c\/strong\u003e lists the Proline X sealed and ported enclosures we build specifically for 12 inch drivers, CNC-cut in Tullahoma, Tennessee.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Image Dynamics","offers":[{"title":"Dual 2 ohm","offer_id":41762724839513,"sku":"ID12 D2 V4","price":159.99,"currency_code":"USD","in_stock":true},{"title":"Dual 4 ohm","offer_id":41762724872281,"sku":"ID12 D4 V4","price":159.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/image-dynamics-id12-v4-12-inch-subwoofersubwooferimage-dynamics-268761.jpg?v=1761970192"},{"product_id":"image-dynamics-idmax12-v4","title":"Image Dynamics IDMAX12 V4 12 inch Subwoofer","description":"\u003cstyle\u003e\n  .id-wrap { max-width: 100%; font-family: inherit; color: #e2e8f0 !important; }\n  .id-hero { background: #0f172a !important; border: 1px solid #334155 !important; padding: 36px 28px; border-radius: 12px; margin-bottom: 28px; border-bottom: 4px solid #0e7490 !important; }\n  .id-eyebrow { color: #94a3b8 !important; font-size: 13px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; margin: 0 0 10px 0; }\n  .id-hero h2 { color: #ffffff !important; font-size: 28px; margin: 0 0 8px 0; line-height: 1.2; }\n  .id-hero p { color: #e2e8f0 !important; font-size: 16px; margin: 0 0 18px 0; }\n  .id-badges { display: flex; flex-wrap: wrap; gap: 8px; }\n  .id-badge { background: #0e7490 !important; color: #ffffff !important; font-size: 13px; font-weight: 600; padding: 6px 12px; border-radius: 4px; }\n  .id-badge-alt { background: #1e293b !important; color: #e2e8f0 !important; border: 1px solid #334155 !important; }\n  .id-wrap h3 { color: #ffffff !important; font-size: 22px; margin: 28px 0 12px 0; border-left: 4px solid #0e7490 !important; padding-left: 12px; }\n  .id-wrap p { color: #e2e8f0 !important; font-size: 16px; line-height: 1.65; margin: 0 0 14px 0; }\n  .id-callout { background: #1e293b !important; border: 1px solid #94a3b8 !important; border-radius: 8px; padding: 18px 20px; margin: 22px 0; }\n  .id-callout p { color: #e2e8f0 !important; margin: 0; }\n  .id-warn { background: #0c2a30 !important; border: 1px solid #0e7490 !important; border-radius: 8px; padding: 16px 18px; margin: 22px 0; }\n  .id-warn p { color: #e2e8f0 !important; margin: 0; font-size: 15px; line-height: 1.6; }\n  .id-statgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin: 22px 0; }\n  .id-stat { background: #0f172a !important; border: 1px solid #334155 !important; border-radius: 8px; padding: 16px; text-align: center; }\n  .id-stat .id-statnum { color: #06b6d4 !important; font-size: 22px; font-weight: 700; display: block; }\n  .id-stat .id-statlabel { color: #94a3b8 !important; font-size: 12px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; display: block; margin-top: 4px; }\n  .id-cta { background: #0f172a !important; border: 1px solid #334155 !important; padding: 28px; border-radius: 12px; margin-top: 30px; text-align: center; border-top: 4px solid #0e7490 !important; }\n  .id-cta h3 { color: #ffffff !important; border-left: none !important; padding-left: 0; margin-top: 0; }\n  .id-cta p { color: #e2e8f0 !important; }\n\u003c\/style\u003e\n\n\u003cdiv class=\"id-wrap\"\u003e\n\n  \u003cdiv class=\"id-hero\"\u003e\n    \u003cp class=\"id-eyebrow\"\u003eImage Dynamics IDMAX Series Subwoofers\u003c\/p\u003e\n    \u003ch2\u003eImage Dynamics IDMAX12 V.4 12 Inch Subwoofer\u003c\/h2\u003e\n    \u003cp\u003eThe IDMAX flagship at 12 inches. A 400 ounce motor, 500 watts RMS, 19mm Xmax, 26 Hz Fs, 547.39 cm2 of cone area, and field-replaceable cone assembly. The D4 in the Audiophile sealed alignment reaches F3 below 30 Hz. This is the driver that competes in large vehicle sound quality events where deep bass scoring matters most.\u003c\/p\u003e\n    \u003cdiv class=\"id-badges\"\u003e\n      \u003cspan class=\"id-badge\"\u003e500W RMS\u003c\/span\u003e\n      \u003cspan class=\"id-badge\"\u003e1000W Peak\u003c\/span\u003e\n      \u003cspan class=\"id-badge\"\u003e400 oz Motor\u003c\/span\u003e\n      \u003cspan class=\"id-badge id-badge-alt\"\u003e26 Hz Fs\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003ch3\u003eIDMAX10 vs IDMAX12: More Cone, Same Platform\u003c\/h3\u003e\n  \u003cp\u003eThe Image Dynamics IDMAX10 V.4 and the IDMAX12 share the same 400 ounce motor, 500 watt RMS power rating, 19mm Xmax, 55mm voice coil height, Glass Fiber\/Pulp cone, Aluminum neck joint, and field-replaceable cone assembly. The IDMAX12 adds 547.39 cm2 of cone area versus 380.13 cm2 on the IDMAX10, moves more air at the same excursion, and extends F3 deeper in equivalent enclosures. The IDMAX12 requires a larger minimum enclosure at 0.65 cubic feet sealed versus 0.50 cubic feet, and is 0.65 inches deeper at 8.15 inches. Choose the IDMAX10 when mounting depth is the constraint. Choose the IDMAX12 when you have the space and want maximum output from the IDMAX platform.\u003c\/p\u003e\n\n  \u003cdiv class=\"id-statgrid\"\u003e\n    \u003cdiv class=\"id-stat\"\u003e\n\u003cspan class=\"id-statnum\"\u003e400 oz\u003c\/span\u003e\u003cspan class=\"id-statlabel\"\u003eMotor\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"id-stat\"\u003e\n\u003cspan class=\"id-statnum\"\u003e19mm\u003c\/span\u003e\u003cspan class=\"id-statlabel\"\u003eXmax\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"id-stat\"\u003e\n\u003cspan class=\"id-statnum\"\u003e26 Hz\u003c\/span\u003e\u003cspan class=\"id-statlabel\"\u003eResonant Freq\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"id-stat\"\u003e\n\u003cspan class=\"id-statnum\"\u003e500W\u003c\/span\u003e\u003cspan class=\"id-statlabel\"\u003eRMS Power\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"id-warn\"\u003e\n    \u003cp\u003e\u003cstrong style=\"color:#06b6d4 !important;\"\u003eD2 parallel impedance note:\u003c\/strong\u003e The IDMAX12 D2 has Re of 1.80 ohms per coil, giving approximately 0.9 ohms wired in parallel. Verify your amplifier's minimum rated impedance before wiring parallel. Wire the D2 in series for 4 ohms if needed. The D4 wired in parallel presents exactly 2 ohms, compatible with all 1-ohm stable Class D monoblocks.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003ch3\u003eD2 vs D4: A Meaningful Alignment Difference\u003c\/h3\u003e\n  \u003cp\u003eThe IDMAX12 D2 (Qts 0.626) and D4 (Qts 0.758) produce noticeably different sealed alignments. The D2 at 1.8 cubic feet reaches F3 at 32 Hz with Qtc 0.972, approaching Butterworth and producing controlled, extended bass. The D4 at the same volume reaches F3 at 29 Hz with Qtc 1.131, with a stronger midbass lift but deeper actual F3 extension. For sound quality competition where deep bass extension is scored, the D4 in a large sealed box is worth considering specifically for its F3 advantage. For balanced accuracy, the D2 produces the flatter response. Match the impedance to your amplifier first, but understand the sonic character difference is real.\u003c\/p\u003e\n\n  \u003ch3\u003eIDMAX Construction at 12 Inches\u003c\/h3\u003e\n  \u003cp\u003eEvery IDMAX construction feature applies to the 12: Glass Fiber\/Pulp cone for high stiffness and low distortion at 19mm excursion, Parabolic Santoprene surround for long-term compliance stability, Nomex spider for thermal stability at 500 watts, Aluminum neck joint pulling heat away from the BASV former more aggressively than Polycarbonate, and the American-made aluminum flat-wound extended voice coil with 55mm winding height keeping motor force consistent across the full excursion range.\u003c\/p\u003e\n  \u003cp\u003eThe field-replaceable cone assembly is held by 16 screws with alignment shims. No adhesive, no curing time, no professional service required. The 400 ounce motor structure stays in service through the life of the system.\u003c\/p\u003e\n\n  \u003ch3\u003e26 Hz Fs and Ported Potential\u003c\/h3\u003e\n  \u003cp\u003eThe 26 Hz Fs sits one Hz lower than the IDMAX10 and produces equivalent deep bass extension with more cone area. The ported Audiophile alignment at 2.25 cubic feet tuned to 30 Hz reaches F3 at 28 Hz. Combined with the 547.39 cm2 piston area, this is the IDMAX configuration that produces the most output and the deepest extension of any 12 inch production driver in Image Dynamics' lineup.\u003c\/p\u003e\n\n  \u003cdiv class=\"id-callout\"\u003e\n    \u003cp\u003e\u003cstrong\u003eFitment at a glance:\u003c\/strong\u003e mounting depth 8.15 inches, cutout 11.0 inches, outside diameter 12.40 inches, driver displacement 0.14 cubic feet, net weight 28.45 lbs. Plan at least 8.5 to 9 inches of rear clearance. Confirm mounting location can support the driver weight before installation.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003ch3\u003eBuilt and Backed\u003c\/h3\u003e\n  \u003cp\u003eHand-built in Ontario, California. The Image Dynamics IDMAX12 V.4 carries a 1-year limited warranty through authorized dealers. Every unit sold by Audio Intensity is brand new with full warranty coverage.\u003c\/p\u003e\n\n  \u003cdiv class=\"id-cta\"\u003e\n    \u003ch3\u003eAuthorized Image Dynamics Dealer\u003c\/h3\u003e\n    \u003cp\u003eAudio Intensity ships the Image Dynamics IDMAX12 V.4 fast from Tullahoma, Tennessee. Tell us your vehicle, your available depth and enclosure volume, and your amplifier and we will help you build the right system around it.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003cstyle\u003e\n  .id-enc { max-width: 100%; font-family: inherit; }\n  .id-enc h3 { color: #ffffff !important; font-size: 22px; margin: 28px 0 12px 0; border-left: 4px solid #0e7490 !important; padding-left: 12px; }\n  .id-enc p { color: #e2e8f0 !important; font-size: 16px; line-height: 1.65; margin: 0 0 14px 0; }\n  .id-enc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 20px 0; }\n  @media (max-width: 640px) { .id-enc-grid { grid-template-columns: 1fr; } }\n  .id-enc-card { background: #0f172a !important; border: 1px solid #334155 !important; border-radius: 10px; overflow: hidden; }\n  .id-enc-card-head { background: #0e7490 !important; color: #ffffff !important; padding: 10px 16px; font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; }\n  .id-enc-table { width: 100%; border-collapse: collapse; }\n  .id-enc-table th { background: #1e293b !important; color: #94a3b8 !important; font-size: 12px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; padding: 8px 12px; text-align: left; }\n  .id-enc-table td { padding: 10px 12px; border-bottom: 1px solid #1e293b !important; font-size: 14px; }\n  .id-enc-table td:first-child { color: #e2e8f0 !important; font-weight: 600; }\n  .id-enc-table td:not(:first-child) { color: #ffffff !important; text-align: center; }\n  .id-enc-table tr:last-child td { border-bottom: none !important; }\n  .id-enc-table .id-optimal td { background: #0c2a30 !important; }\n  .id-enc-table .id-optimal td:first-child { color: #4ade80 !important; }\n  .id-char { font-size: 11px; color: #64748b !important; display: block; font-weight: 400; margin-top: 2px; }\n  .id-graph-wrap { background: #0f172a !important; border: 1px solid #334155 !important; border-radius: 10px; padding: 16px; margin: 16px 0; }\n  .id-graph-title { color: #94a3b8 !important; font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; margin: 0 0 10px 0; }\n  .id-graph-legend { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 10px; }\n  .id-graph-legend-item { display: flex; align-items: center; gap: 6px; font-size: 12px; color: #64748b !important; }\n  .id-graph-legend-swatch { width: 24px; height: 3px; border-radius: 2px; display: inline-block; }\n  .id-enc-note { background: #1e293b !important; border: 1px solid #334155 !important; border-radius: 8px; padding: 16px 18px; margin: 18px 0 0 0; }\n  .id-enc-note p { color: #e2e8f0 !important; font-size: 14px; margin: 0; line-height: 1.6; }\n  .id-enc-link { color: #06b6d4 !important; text-decoration: underline; }\n  .id-enc-warn { background: #0c2a30 !important; border: 1px solid #0e7490 !important; border-radius: 8px; padding: 14px 16px; margin: 14px 0; }\n  .id-enc-warn p { color: #e2e8f0 !important; font-size: 14px; margin: 0; }\n\u003c\/style\u003e\n\n\u003cdiv class=\"id-enc\"\u003e\n  \u003ch3\u003eSealed Enclosure Performance: Pre-Calculated Results\u003c\/h3\u003e\n  \u003cp\u003eUsing Image Dynamics' published Thiele-Small parameters and their recommended sealed volumes, here are the predicted Qtc, system resonance (Fc), and F3 rolloff. Volumes are net internal per the IDMAX Series manual. Calculated using the same formulas as the Audio Intensity Sealed Box Calculator.\u003c\/p\u003e\n  \u003cp\u003eThe IDMAX12 has 26 Hz Fs and 547.39 cm2 of cone area, producing exceptional sealed extension. The D2 at the Audiophile 1.8 cu ft alignment reaches F3 at 32 Hz sealed. The D4 at the same volume reaches F3 below 30 Hz sealed, which is among the deepest sealed extension available from a 12 inch production driver. The D4 runs notably higher Qtc than D2 at the same volume due to its higher Qts and smaller Vas.\u003c\/p\u003e\n\n  \u003cdiv class=\"id-enc-warn\"\u003e\n    \u003cp\u003e\u003cstrong style=\"color:#06b6d4 !important;\"\u003eD2 parallel impedance note:\u003c\/strong\u003e The IDMAX12 D2 has Re of 1.80 ohms per coil. Wired in parallel the combined load is approximately 0.9 ohms. Verify your amplifier's minimum rated impedance before wiring parallel. Wire the D2 in series for 4 ohms if needed. The D4 wired in parallel presents exactly 2 ohms, compatible with all 1-ohm stable Class D monoblocks.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"id-enc-grid\"\u003e\n    \u003cdiv class=\"id-enc-card\"\u003e\n      \u003cdiv class=\"id-enc-card-head\"\u003eD2 — Dual 2 Ohm  |  Qts 0.626  |  Fs 26 Hz  |  Vas 71.89 L\u003c\/div\u003e\n      \u003ctable class=\"id-enc-table\"\u003e\n        \u003ctr\u003e\n\u003cth\u003eBox Volume\u003c\/th\u003e\n\u003cth\u003eQtc\u003c\/th\u003e\n\u003cth\u003eFc\u003c\/th\u003e\n\u003cth\u003eF3\u003c\/th\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e0.65 cu ft\u003cspan class=\"id-char\"\u003eCompact \/ max power handling (750W)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.387\u003c\/td\u003e\n\u003ctd\u003e57.6 Hz\u003c\/td\u003e\n\u003ctd\u003e40.9 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr class=\"id-optimal\"\u003e\n\u003ctd\u003e1.0 cu ft ★\u003cspan class=\"id-char\"\u003eUniversal \/ balanced (650W max)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.178\u003c\/td\u003e\n\u003ctd\u003e48.9 Hz\u003c\/td\u003e\n\u003ctd\u003e36.2 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e1.8 cu ft\u003cspan class=\"id-char\"\u003eAudiophile \/ most extension (550W max)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.972\u003c\/td\u003e\n\u003ctd\u003e40.4 Hz\u003c\/td\u003e\n\u003ctd\u003e32.2 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"id-enc-card\"\u003e\n      \u003cdiv class=\"id-enc-card-head\"\u003eD4 — Dual 4 Ohm  |  Qts 0.758  |  Fs 26 Hz  |  Vas 62.44 L\u003c\/div\u003e\n      \u003ctable class=\"id-enc-table\"\u003e\n        \u003ctr\u003e\n\u003cth\u003eBox Volume\u003c\/th\u003e\n\u003cth\u003eQtc\u003c\/th\u003e\n\u003cth\u003eFc\u003c\/th\u003e\n\u003cth\u003eF3\u003c\/th\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e0.65 cu ft\u003cspan class=\"id-char\"\u003eCompact \/ max power handling (750W)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.589\u003c\/td\u003e\n\u003ctd\u003e54.5 Hz\u003c\/td\u003e\n\u003ctd\u003e37.7 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr class=\"id-optimal\"\u003e\n\u003ctd\u003e1.0 cu ft ★\u003cspan class=\"id-char\"\u003eUniversal \/ balanced (650W max)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.357\u003c\/td\u003e\n\u003ctd\u003e46.5 Hz\u003c\/td\u003e\n\u003ctd\u003e33.2 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e1.8 cu ft\u003cspan class=\"id-char\"\u003eAudiophile \/ most extension (550W max)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.131\u003c\/td\u003e\n\u003ctd\u003e38.8 Hz\u003c\/td\u003e\n\u003ctd\u003e29.1 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"id-enc-grid\"\u003e\n    \u003cdiv class=\"id-graph-wrap\"\u003e\n      \u003cp 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364.3,50.9 365.5,50.9 366.7,50.9 368.0,51.0 369.2,51.0 370.4,51.0 371.7,51.0 372.9,51.0 374.1,51.1 375.3,51.1 376.6,51.1 377.8,51.1 379.0,51.1 380.2,51.2 381.5,51.2 382.7,51.2 383.9,51.2 385.1,51.2 386.4,51.2 387.6,51.2 388.8,51.3 390.1,51.3 391.3,51.3 392.5,51.3 393.7,51.3 395.0,51.3 396.2,51.3 397.4,51.4 398.6,51.4 399.9,51.4 401.1,51.4 402.3,51.4 403.5,51.4 404.8,51.4 406.0,51.4\" fill=\"none\" stroke=\"#06b6d4\" stroke-width=\"1.5\" stroke-linejoin=\"round\" stroke-dasharray=\"5 3\"\u003e\u003c\/polyline\u003e\n\u003c\/svg\u003e\n      \u003cdiv class=\"id-graph-legend\"\u003e\n        \u003cspan class=\"id-graph-legend-item\"\u003e\u003cspan class=\"id-graph-legend-swatch\" style=\"background:#ef4444;\"\u003e\u003c\/span\u003e0.65 cu ft (Qtc 1.589)\u003c\/span\u003e\n        \u003cspan class=\"id-graph-legend-item\"\u003e\u003cspan class=\"id-graph-legend-swatch\" style=\"background:#4ade80;\"\u003e\u003c\/span\u003e1.0 cu ft (Qtc 1.357) ★\u003c\/span\u003e\n        \u003cspan class=\"id-graph-legend-item\"\u003e\u003cspan class=\"id-graph-legend-swatch\" style=\"background:#06b6d4;\"\u003e\u003c\/span\u003e1.8 cu ft (Qtc 1.131)\u003c\/span\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"id-enc-note\"\u003e\n    \u003cp\u003e\u003cstrong style=\"color:#06b6d4 !important;\"\u003ePower handling and ported options:\u003c\/strong\u003e Sealed enclosure power handling decreases as volume increases: 750W at 0.65 cu ft, 650W at 1.0 cu ft, 550W at 1.8 cu ft. The IDMAX12 ported Audiophile alignment at 2.25 cu ft tuned to 30 Hz reaches F3 at 28 Hz. Port dimensions for each ported alignment are in the IDMAX Series V.4 manual. \u003ca class=\"id-enc-link\" href=\"\/pages\/sealed-box-calculator\"\u003eRun your own numbers in the Sealed Box Calculator.\u003c\/a\u003e\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #0f172a !important; border: 1px solid #334155 !important; border-radius: 8px; padding: 16px 20px; margin: 24px 0;\"\u003e\n  \u003cp style=\"color: #e2e8f0 !important; font-size: 15px; margin: 0; line-height: 1.6;\"\u003eReady to build? The \u003cstrong style=\"color: #06b6d4 !important;\"\u003eEnclosures tab above\u003c\/strong\u003e lists the Proline X sealed and ported enclosures we build for 12 inch drivers, CNC-cut in Tullahoma, Tennessee. Confirm the 8.15 inch mounting depth fits your installation before ordering.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Image Dynamics","offers":[{"title":"Dual 2 ohm","offer_id":41762727100505,"sku":"IDMAX12 D2 V4","price":469.99,"currency_code":"USD","in_stock":true},{"title":"Dual 4 ohm","offer_id":41762727133273,"sku":"IDMAX12 D4 V4","price":469.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/image-dynamics-idmax12-v4-12-inch-subwoofersubwooferimage-dynamics-768021.jpg?v=1761970193"},{"product_id":"image-dynamics-idmax10-v4","title":"Image Dynamics IDMAX10 V4 10 inch Subwoofer","description":"\u003cstyle\u003e\n  .id-wrap { max-width: 100%; font-family: inherit; color: #e2e8f0 !important; }\n  .id-hero { background: #0f172a !important; border: 1px solid #334155 !important; padding: 36px 28px; border-radius: 12px; margin-bottom: 28px; border-bottom: 4px solid #0e7490 !important; }\n  .id-eyebrow { color: #94a3b8 !important; font-size: 13px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; margin: 0 0 10px 0; }\n  .id-hero h2 { color: #ffffff !important; font-size: 28px; margin: 0 0 8px 0; line-height: 1.2; }\n  .id-hero p { color: #e2e8f0 !important; font-size: 16px; margin: 0 0 18px 0; }\n  .id-badges { display: flex; flex-wrap: wrap; gap: 8px; }\n  .id-badge { background: #0e7490 !important; color: #ffffff !important; font-size: 13px; font-weight: 600; padding: 6px 12px; border-radius: 4px; }\n  .id-badge-alt { background: #1e293b !important; color: #e2e8f0 !important; border: 1px solid #334155 !important; }\n  .id-wrap h3 { color: #ffffff !important; font-size: 22px; margin: 28px 0 12px 0; border-left: 4px solid #0e7490 !important; padding-left: 12px; }\n  .id-wrap p { color: #e2e8f0 !important; font-size: 16px; line-height: 1.65; margin: 0 0 14px 0; }\n  .id-callout { background: #1e293b !important; border: 1px solid #94a3b8 !important; border-radius: 8px; padding: 18px 20px; margin: 22px 0; }\n  .id-callout p { color: #e2e8f0 !important; margin: 0; }\n  .id-warn { background: #0c2a30 !important; border: 1px solid #0e7490 !important; border-radius: 8px; padding: 16px 18px; margin: 22px 0; }\n  .id-warn p { color: #e2e8f0 !important; margin: 0; font-size: 15px; line-height: 1.6; }\n  .id-statgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin: 22px 0; }\n  .id-stat { background: #0f172a !important; border: 1px solid #334155 !important; border-radius: 8px; padding: 16px; text-align: center; }\n  .id-stat .id-statnum { color: #06b6d4 !important; font-size: 22px; font-weight: 700; display: block; }\n  .id-stat .id-statlabel { color: #94a3b8 !important; font-size: 12px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; display: block; margin-top: 4px; }\n  .id-cta { background: #0f172a !important; border: 1px solid #334155 !important; padding: 28px; border-radius: 12px; margin-top: 30px; text-align: center; border-top: 4px solid #0e7490 !important; }\n  .id-cta h3 { color: #ffffff !important; border-left: none !important; padding-left: 0; margin-top: 0; }\n  .id-cta p { color: #e2e8f0 !important; }\n\u003c\/style\u003e\n\n\u003cdiv class=\"id-wrap\"\u003e\n\n  \u003cdiv class=\"id-hero\"\u003e\n    \u003cp class=\"id-eyebrow\"\u003eImage Dynamics IDMAX Series Subwoofers\u003c\/p\u003e\n    \u003ch2\u003eImage Dynamics IDMAX10 V.4 10 Inch Subwoofer\u003c\/h2\u003e\n    \u003cp\u003eThe flagship Image Dynamics 10 inch driver. A 400 ounce motor, 500 watts RMS, 19mm Xmax, 27 Hz Fs, Glass Fiber\/Pulp cone, Aluminum neck joint, and 7.68 inches of mounting depth. Built for serious sound quality competition and high-output daily use where a standard 10 inch driver is not enough.\u003c\/p\u003e\n    \u003cdiv class=\"id-badges\"\u003e\n      \u003cspan class=\"id-badge\"\u003e500W RMS\u003c\/span\u003e\n      \u003cspan class=\"id-badge\"\u003e1000W Peak\u003c\/span\u003e\n      \u003cspan class=\"id-badge\"\u003e400 oz Motor\u003c\/span\u003e\n      \u003cspan class=\"id-badge id-badge-alt\"\u003e27 Hz Fs\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003ch3\u003eThe 400 Ounce Motor\u003c\/h3\u003e\n  \u003cp\u003eThe IDMAX10 V.4 uses a 400 ounce Extended Y-35 motor, up from 280 ounces on the IDQ12 and 180 ounces on the IDQ8\/IDQ10. At 27.8 pounds, the IDMAX10 is heavier than most 12 inch subwoofers. The majority of that weight is the motor. A 400 ounce motor driving a 10 inch cone with 19mm Xmax through 500 watts RMS produces an entirely different operating margin than a standard-duty driver. Motor force relative to moving mass is the parameter that determines transient accuracy, and the IDMAX10 has it in quantity.\u003c\/p\u003e\n\n  \u003cdiv class=\"id-statgrid\"\u003e\n    \u003cdiv class=\"id-stat\"\u003e\n\u003cspan class=\"id-statnum\"\u003e400 oz\u003c\/span\u003e\u003cspan class=\"id-statlabel\"\u003eMotor\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"id-stat\"\u003e\n\u003cspan class=\"id-statnum\"\u003e19mm\u003c\/span\u003e\u003cspan class=\"id-statlabel\"\u003eXmax\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"id-stat\"\u003e\n\u003cspan class=\"id-statnum\"\u003e27 Hz\u003c\/span\u003e\u003cspan class=\"id-statlabel\"\u003eResonant Freq\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"id-stat\"\u003e\n\u003cspan class=\"id-statnum\"\u003e500W\u003c\/span\u003e\u003cspan class=\"id-statlabel\"\u003eRMS Power\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"id-warn\"\u003e\n    \u003cp\u003e\u003cstrong style=\"color:#06b6d4 !important;\"\u003eD2 parallel impedance note:\u003c\/strong\u003e The IDMAX10 D2 has Re of 1.80 ohms per coil, giving approximately 0.9 ohms wired in parallel. Verify your amplifier's minimum rated impedance before wiring parallel. Wire the D2 in series for 4 ohms if needed. The D4 wired in parallel presents 2 ohms, compatible with all 1-ohm stable Class D monoblocks.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003ch3\u003eIDMAX vs IDQ vs ID: Three Different Platforms\u003c\/h3\u003e\n  \u003cp\u003eAll three Image Dynamics series share the Parabolic Santoprene surround and Nomex spider. Beyond that they diverge significantly. The Image Dynamics ID10 V.4 uses copper voice coil wire, a fixed cone assembly, and a 127 ounce motor for reliable daily use at an accessible price. The Image Dynamics IDQ10 V.4 uses aluminum voice coil wire, a field-replaceable cone assembly, and a 180 ounce motor for sound quality competition. The IDMAX10 uses aluminum voice coil wire, a field-replaceable cone assembly, and a 400 ounce motor with 19mm Xmax and a Glass Fiber\/Pulp cone for maximum output and deepest bass extension at the highest power level. Choose based on what your system actually needs, not what costs the most.\u003c\/p\u003e\n\n  \u003ch3\u003eGlass Fiber\/Pulp Cone and Aluminum Neck Joint\u003c\/h3\u003e\n  \u003cp\u003eThe IDMAX10 uses a different cone material than the IDQ Series. Where the IDQ uses a Poly\/Mica composite, the IDMAX uses a Glass Fiber\/Pulp composite. Glass fiber reinforcement provides higher stiffness and lower mass than polypropylene-based cones, which supports the higher excursion and power levels the IDMAX is rated for. The Glass Fiber\/Pulp blend maintains pistonic behavior through the longer excursion range the 19mm Xmax enables.\u003c\/p\u003e\n  \u003cp\u003eThe neck joint is Aluminum rather than the Polycarbonate used on the IDQ Series. The Aluminum neck joint pulls heat away from the BASV voice coil former more aggressively than Polycarbonate, which is important for a driver handling 500 watts continuously. It also provides higher mechanical strength at the cone-to-voice coil junction where flexing forces are greatest at maximum excursion.\u003c\/p\u003e\n\n  \u003ch3\u003eExtended Voice Coil: 55mm Height\u003c\/h3\u003e\n  \u003cp\u003eThe IDMAX10 voice coil winding height is 55mm (2.16 inches), compared to 38.3mm on the IDQ Series. This extended winding keeps more conductor length in the magnetic gap across the full 19mm one-way excursion range, maintaining consistent motor force from rest to full throw. Longer voice coil height is one of the primary means of achieving high linear Xmax in a production driver, and 55mm on a 400 ounce motor is an aggressive specification that explains both the 19mm Xmax and the 500 watt RMS rating.\u003c\/p\u003e\n\n  \u003ch3\u003e27 Hz Fs and Deep Bass Extension\u003c\/h3\u003e\n  \u003cp\u003eThe IDMAX10's free-air resonant frequency is 27 Hz. This is meaningfully lower than the IDQ10 at 42 Hz and the ID10 at 32 Hz. A lower Fs means the driver's natural resonance is deeper in the bass range, which translates to better extension in sealed enclosures and better alignment flexibility in ported designs. The ported Audiophile alignment at 2.0 cubic feet tuned to 30 Hz reaches F3 at 26 Hz. That is the number that wins sound quality competitions where low bass scoring matters.\u003c\/p\u003e\n\n  \u003ch3\u003eField-Replaceable Cone Assembly\u003c\/h3\u003e\n  \u003cp\u003eThe IDMAX10 uses the same 16-screw field-replaceable cone assembly as the IDQ Series. Remove the screws, position the replacement assembly with alignment shims, reinstall the screws, remove the shims. No adhesive, no curing time, no professional service required. The 400 ounce motor structure, which is the most resource-intensive component, stays in service.\u003c\/p\u003e\n\n  \u003cdiv class=\"id-callout\"\u003e\n    \u003cp\u003e\u003cstrong\u003eFitment at a glance:\u003c\/strong\u003e mounting depth 7.68 inches, cutout 9.625 inches, outside diameter 11.06 inches, driver displacement 0.11 cubic feet, net weight 27.8 lbs. The 7.68 inch mounting depth requires careful installation planning. Confirm rear clearance behind the baffle before building the enclosure.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003ch3\u003eBuilt and Backed\u003c\/h3\u003e\n  \u003cp\u003eHand-built in Ontario, California. The Image Dynamics IDMAX10 V.4 carries a 1-year limited warranty through authorized dealers. Every unit sold by Audio Intensity is brand new with full warranty coverage.\u003c\/p\u003e\n\n  \u003cdiv class=\"id-cta\"\u003e\n    \u003ch3\u003eAuthorized Image Dynamics Dealer\u003c\/h3\u003e\n    \u003cp\u003eAudio Intensity ships the Image Dynamics IDMAX10 V.4 fast from Tullahoma, Tennessee. The IDMAX10 rewards careful system matching. Tell us your vehicle, your available depth, your amplifier, and your goals and we will help you get this driver right.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003cstyle\u003e\n  .id-enc { max-width: 100%; font-family: inherit; }\n  .id-enc h3 { color: #ffffff !important; font-size: 22px; margin: 28px 0 12px 0; border-left: 4px solid #0e7490 !important; padding-left: 12px; }\n  .id-enc p { color: #e2e8f0 !important; font-size: 16px; line-height: 1.65; margin: 0 0 14px 0; }\n  .id-enc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 20px 0; }\n  @media (max-width: 640px) { .id-enc-grid { grid-template-columns: 1fr; } }\n  .id-enc-card { background: #0f172a !important; border: 1px solid #334155 !important; border-radius: 10px; overflow: hidden; }\n  .id-enc-card-head { background: #0e7490 !important; color: #ffffff !important; padding: 10px 16px; font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; }\n  .id-enc-table { width: 100%; border-collapse: collapse; }\n  .id-enc-table th { background: #1e293b !important; color: #94a3b8 !important; font-size: 12px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; padding: 8px 12px; text-align: left; }\n  .id-enc-table td { padding: 10px 12px; border-bottom: 1px solid #1e293b !important; font-size: 14px; }\n  .id-enc-table td:first-child { color: #e2e8f0 !important; font-weight: 600; }\n  .id-enc-table td:not(:first-child) { color: #ffffff !important; text-align: center; }\n  .id-enc-table tr:last-child td { border-bottom: none !important; }\n  .id-enc-table .id-optimal td { background: #0c2a30 !important; }\n  .id-enc-table .id-optimal td:first-child { color: #4ade80 !important; }\n  .id-char { font-size: 11px; color: #64748b !important; display: block; font-weight: 400; margin-top: 2px; }\n  .id-graph-wrap { background: #0f172a !important; border: 1px solid #334155 !important; border-radius: 10px; padding: 16px; margin: 16px 0; }\n  .id-graph-title { color: #94a3b8 !important; font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; margin: 0 0 10px 0; }\n  .id-graph-legend { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 10px; }\n  .id-graph-legend-item { display: flex; align-items: center; gap: 6px; font-size: 12px; color: #64748b !important; }\n  .id-graph-legend-swatch { width: 24px; height: 3px; border-radius: 2px; display: inline-block; }\n  .id-enc-note { background: #1e293b !important; border: 1px solid #334155 !important; border-radius: 8px; padding: 16px 18px; margin: 18px 0 0 0; }\n  .id-enc-note p { color: #e2e8f0 !important; font-size: 14px; margin: 0; line-height: 1.6; }\n  .id-enc-link { color: #06b6d4 !important; text-decoration: underline; }\n  .id-enc-warn { background: #0c2a30 !important; border: 1px solid #0e7490 !important; border-radius: 8px; padding: 14px 16px; margin: 14px 0; }\n  .id-enc-warn p { color: #e2e8f0 !important; font-size: 14px; margin: 0; }\n\u003c\/style\u003e\n\n\u003cdiv class=\"id-enc\"\u003e\n  \u003ch3\u003eSealed Enclosure Performance: Pre-Calculated Results\u003c\/h3\u003e\n  \u003cp\u003eUsing Image Dynamics' published Thiele-Small parameters and their recommended sealed volumes, here are the predicted Qtc, system resonance (Fc), and F3 rolloff. Volumes are net internal per the IDMAX Series manual. Calculated using the same formulas as the Audio Intensity Sealed Box Calculator.\u003c\/p\u003e\n  \u003cp\u003eThe IDMAX10 has Fs at 27 Hz with 19mm Xmax, producing F3 values from the low 30s to low 40s in sealed enclosures. These numbers are exceptional for a 10 inch driver. The D4 at the Audiophile 1.25 cu ft alignment extends to F3 below 31 Hz sealed. The ported Audiophile alignment at 2.0 cu ft reaches F3 at 26 Hz.\u003c\/p\u003e\n\n  \u003cdiv class=\"id-enc-warn\"\u003e\n    \u003cp\u003e\u003cstrong style=\"color:#06b6d4 !important;\"\u003eD2 parallel impedance note:\u003c\/strong\u003e The IDMAX10 D2 has Re of 1.80 ohms per coil. Wired in parallel the combined load is approximately 0.9 ohms. Most amplifiers rated 1-ohm stable will handle this, but verify your amplifier's minimum rated impedance before wiring parallel. Wire the D2 in series for a 4-ohm load if your amplifier requires it. The D4 wired in parallel presents 2 ohms, compatible with all 1-ohm stable Class D monoblocks.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"id-enc-grid\"\u003e\n    \u003cdiv class=\"id-enc-card\"\u003e\n      \u003cdiv class=\"id-enc-card-head\"\u003eD2 — Dual 2 Ohm  |  Qts 0.609  |  Fs 27 Hz  |  Vas 37.18 L\u003c\/div\u003e\n      \u003ctable class=\"id-enc-table\"\u003e\n        \u003ctr\u003e\n\u003cth\u003eBox Volume\u003c\/th\u003e\n\u003cth\u003eQtc\u003c\/th\u003e\n\u003cth\u003eFc\u003c\/th\u003e\n\u003cth\u003eF3\u003c\/th\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e0.50 cu ft\u003cspan class=\"id-char\"\u003eCompact \/ max power handling (700W)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.160\u003c\/td\u003e\n\u003ctd\u003e51.4 Hz\u003c\/td\u003e\n\u003ctd\u003e38.2 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr class=\"id-optimal\"\u003e\n\u003ctd\u003e0.75 cu ft ★\u003cspan class=\"id-char\"\u003eUniversal \/ balanced (600W max)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.010\u003c\/td\u003e\n\u003ctd\u003e44.8 Hz\u003c\/td\u003e\n\u003ctd\u003e35.0 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e1.25 cu ft\u003cspan class=\"id-char\"\u003eAudiophile \/ most extension (500W max)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.872\u003c\/td\u003e\n\u003ctd\u003e38.7 Hz\u003c\/td\u003e\n\u003ctd\u003e32.7 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"id-enc-card\"\u003e\n      \u003cdiv class=\"id-enc-card-head\"\u003eD4 — Dual 4 Ohm  |  Qts 0.661  |  Fs 27 Hz  |  Vas 31.97 L\u003c\/div\u003e\n      \u003ctable class=\"id-enc-table\"\u003e\n        \u003ctr\u003e\n\u003cth\u003eBox Volume\u003c\/th\u003e\n\u003cth\u003eQtc\u003c\/th\u003e\n\u003cth\u003eFc\u003c\/th\u003e\n\u003cth\u003eF3\u003c\/th\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e0.50 cu ft\u003cspan class=\"id-char\"\u003eCompact \/ max power handling (700W)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.193\u003c\/td\u003e\n\u003ctd\u003e48.7 Hz\u003c\/td\u003e\n\u003ctd\u003e35.9 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr class=\"id-optimal\"\u003e\n\u003ctd\u003e0.75 cu ft ★\u003cspan class=\"id-char\"\u003eUniversal \/ balanced (600W max)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.046\u003c\/td\u003e\n\u003ctd\u003e42.7 Hz\u003c\/td\u003e\n\u003ctd\u003e33.0 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e1.25 cu ft\u003cspan class=\"id-char\"\u003eAudiophile \/ most extension (500W max)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.912\u003c\/td\u003e\n\u003ctd\u003e37.2 Hz\u003c\/td\u003e\n\u003ctd\u003e30.7 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"id-enc-grid\"\u003e\n    \u003cdiv class=\"id-graph-wrap\"\u003e\n      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385.1,51.5 386.4,51.5 387.6,51.6 388.8,51.6 390.1,51.6 391.3,51.6 392.5,51.6 393.7,51.6 395.0,51.6 396.2,51.6 397.4,51.6 398.6,51.6 399.9,51.6 401.1,51.6 402.3,51.6 403.5,51.7 404.8,51.7 406.0,51.7\" fill=\"none\" stroke=\"#06b6d4\" stroke-width=\"1.5\" stroke-linejoin=\"round\" stroke-dasharray=\"5 3\"\u003e\u003c\/polyline\u003e\n\u003c\/svg\u003e\n      \u003cdiv class=\"id-graph-legend\"\u003e\n        \u003cspan class=\"id-graph-legend-item\"\u003e\u003cspan class=\"id-graph-legend-swatch\" style=\"background:#ef4444;\"\u003e\u003c\/span\u003e0.50 cu ft (Qtc 1.193)\u003c\/span\u003e\n        \u003cspan class=\"id-graph-legend-item\"\u003e\u003cspan class=\"id-graph-legend-swatch\" style=\"background:#4ade80;\"\u003e\u003c\/span\u003e0.75 cu ft (Qtc 1.046) ★\u003c\/span\u003e\n        \u003cspan class=\"id-graph-legend-item\"\u003e\u003cspan class=\"id-graph-legend-swatch\" style=\"background:#06b6d4;\"\u003e\u003c\/span\u003e1.25 cu ft (Qtc 0.912)\u003c\/span\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"id-enc-note\"\u003e\n    \u003cp\u003e\u003cstrong style=\"color:#06b6d4 !important;\"\u003ePower handling and ported options:\u003c\/strong\u003e Sealed enclosure power handling decreases as volume increases: 700W at 0.50 cu ft, 600W at 0.75 cu ft, 500W at 1.25 cu ft. The IDMAX10 ported Audiophile alignment at 2.0 cu ft tuned to 30 Hz reaches F3 at 26 Hz, exceptional for a 10 inch driver. Port dimensions for each ported alignment are in the IDMAX Series V.4 manual. \u003ca class=\"id-enc-link\" href=\"\/pages\/sealed-box-calculator\"\u003eRun your own numbers in the Sealed Box Calculator.\u003c\/a\u003e\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #0f172a !important; border: 1px solid #334155 !important; border-radius: 8px; padding: 16px 20px; margin: 24px 0;\"\u003e\n  \u003cp style=\"color: #e2e8f0 !important; font-size: 15px; margin: 0; line-height: 1.6;\"\u003eReady to build? The \u003cstrong style=\"color: #06b6d4 !important;\"\u003eEnclosures tab above\u003c\/strong\u003e lists the Proline X sealed and ported enclosures we build for 10 inch drivers, CNC-cut in Tullahoma, Tennessee. Confirm the 7.68 inch mounting depth fits your installation before ordering.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Image Dynamics","offers":[{"title":"Dual 2 ohm","offer_id":41762731851865,"sku":"IDMAX10 D2 V4","price":429.99,"currency_code":"USD","in_stock":true},{"title":"Dual 4 ohm","offer_id":41762731884633,"sku":"IDMAX10 D4 V4","price":429.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/image-dynamics-idmax10-v4-10-inch-subwoofersubwooferimage-dynamics-254871.jpg?v=1761970194"},{"product_id":"image-dynamics-idmax15d-v4","title":"Image Dynamics IDMAX15 V4 15 inch Subwoofer","description":"\u003cstyle\u003e\n  .id-wrap { max-width: 100%; font-family: inherit; color: #e2e8f0 !important; }\n  .id-hero { background: #0f172a !important; border: 1px solid #334155 !important; padding: 36px 28px; border-radius: 12px; margin-bottom: 28px; border-bottom: 4px solid #0e7490 !important; }\n  .id-eyebrow { color: #94a3b8 !important; font-size: 13px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; margin: 0 0 10px 0; }\n  .id-hero h2 { color: #ffffff !important; font-size: 28px; margin: 0 0 8px 0; line-height: 1.2; }\n  .id-hero p { color: #e2e8f0 !important; font-size: 16px; margin: 0 0 18px 0; }\n  .id-badges { display: flex; flex-wrap: wrap; gap: 8px; }\n  .id-badge { background: #0e7490 !important; color: #ffffff !important; font-size: 13px; font-weight: 600; padding: 6px 12px; border-radius: 4px; }\n  .id-badge-alt { background: #1e293b !important; color: #e2e8f0 !important; border: 1px solid #334155 !important; }\n  .id-wrap h3 { color: #ffffff !important; font-size: 22px; margin: 28px 0 12px 0; border-left: 4px solid #0e7490 !important; padding-left: 12px; }\n  .id-wrap p { color: #e2e8f0 !important; font-size: 16px; line-height: 1.65; margin: 0 0 14px 0; }\n  .id-callout { background: #1e293b !important; border: 1px solid #94a3b8 !important; border-radius: 8px; padding: 18px 20px; margin: 22px 0; }\n  .id-callout p { color: #e2e8f0 !important; margin: 0; }\n  .id-warn { background: #0c2a30 !important; border: 1px solid #0e7490 !important; border-radius: 8px; padding: 16px 18px; margin: 22px 0; }\n  .id-warn p { color: #e2e8f0 !important; margin: 0; font-size: 15px; line-height: 1.6; }\n  .id-statgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin: 22px 0; }\n  .id-stat { background: #0f172a !important; border: 1px solid #334155 !important; border-radius: 8px; padding: 16px; text-align: center; }\n  .id-stat .id-statnum { color: #06b6d4 !important; font-size: 22px; font-weight: 700; display: block; }\n  .id-stat .id-statlabel { color: #94a3b8 !important; font-size: 12px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; display: block; margin-top: 4px; }\n  .id-cta { background: #0f172a !important; border: 1px solid #334155 !important; padding: 28px; border-radius: 12px; margin-top: 30px; text-align: center; border-top: 4px solid #0e7490 !important; }\n  .id-cta h3 { color: #ffffff !important; border-left: none !important; padding-left: 0; margin-top: 0; }\n  .id-cta p { color: #e2e8f0 !important; }\n\u003c\/style\u003e\n\n\u003cdiv class=\"id-wrap\"\u003e\n\n  \u003cdiv class=\"id-hero\"\u003e\n    \u003cp class=\"id-eyebrow\"\u003eImage Dynamics IDMAX Series Subwoofers\u003c\/p\u003e\n    \u003ch2\u003eImage Dynamics IDMAX15 V.4 15 Inch Subwoofer\u003c\/h2\u003e\n    \u003cp\u003eThe largest driver in the Image Dynamics lineup. A 575 ounce motor, 600 watts RMS, 22mm Xmax, 934.82 cm2 of cone area, 2.5 inch voice coil, and field-replaceable cone assembly. Weighing 43 pounds, this is the IDMAX platform at maximum scale, built for large vehicle builds, high-output competition systems, and installations where no other driver will do.\u003c\/p\u003e\n    \u003cdiv class=\"id-badges\"\u003e\n      \u003cspan class=\"id-badge\"\u003e600W RMS\u003c\/span\u003e\n      \u003cspan class=\"id-badge\"\u003e1200W Peak\u003c\/span\u003e\n      \u003cspan class=\"id-badge\"\u003e575 oz Motor\u003c\/span\u003e\n      \u003cspan class=\"id-badge id-badge-alt\"\u003e22mm Xmax\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003ch3\u003e575 Ounce Motor and 22mm Xmax\u003c\/h3\u003e\n  \u003cp\u003eThe IDMAX15 steps up from the IDMAX10\/12's 400 ounce motor to 575 ounces, and from 19mm to 22mm of one-way Xmax. The voice coil grows to 2.5 inches with 60mm of winding height, providing even more conductor length in the magnetic gap at full excursion. The 934.82 cm2 cone area is more than double the IDMAX10 and over 70 percent more than the IDMAX12. At the same excursion, the IDMAX15 moves significantly more air than either of them.\u003c\/p\u003e\n  \u003cp\u003eThe power rating increases to 600 watts RMS and 1200 watts peak. The enclosure power handling at the Compact 1.5 cubic foot alignment reaches 1000 watts maximum. These figures reflect what the 575 ounce motor, Aluminum neck joint, and 60mm BASV former can sustain continuously at the rated power level.\u003c\/p\u003e\n\n  \u003cdiv class=\"id-statgrid\"\u003e\n    \u003cdiv class=\"id-stat\"\u003e\n\u003cspan class=\"id-statnum\"\u003e575 oz\u003c\/span\u003e\u003cspan class=\"id-statlabel\"\u003eMotor\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"id-stat\"\u003e\n\u003cspan class=\"id-statnum\"\u003e22mm\u003c\/span\u003e\u003cspan class=\"id-statlabel\"\u003eXmax\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"id-stat\"\u003e\n\u003cspan class=\"id-statnum\"\u003e600W\u003c\/span\u003e\u003cspan class=\"id-statlabel\"\u003eRMS Power\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"id-stat\"\u003e\n\u003cspan class=\"id-statnum\"\u003e43 lbs\u003c\/span\u003e\u003cspan class=\"id-statlabel\"\u003eNet Weight\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"id-warn\"\u003e\n    \u003cp\u003e\u003cstrong style=\"color:#06b6d4 !important;\"\u003eD2 impedance warning:\u003c\/strong\u003e The IDMAX15 D2 has Re of 1.4 ohms per coil. Wired in parallel, the combined load is approximately 0.7 ohms, below the 1-ohm stable rating of most amplifiers. Wire the D2 in series for 4 ohms unless your amplifier is explicitly rated for sub-1-ohm operation. The D4 wired in parallel presents 2 ohms, compatible with all 1-ohm stable Class D monoblocks.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003ch3\u003eBuilt for Output, Not Flatness\u003c\/h3\u003e\n  \u003cp\u003eThe IDMAX15 has a Qts of 0.952 (D2) and 1.022 (D4), which produces elevated Qtc values in sealed enclosures and a strong midbass lift. This is by design. A 15 inch driver with 934.82 cm2 of cone area and 22mm of Xmax in a large vehicle cabin produces the kind of deep, physical bass presence that fills the space. The sealed alignments do not approach Butterworth; they are tuned for impact and output at scale. For listeners who want flat accuracy at 15 inches, the IDMAX12 D2 in a large sealed box delivers a more controlled alignment. For maximum output and authority in the largest vehicles, the IDMAX15 is the driver.\u003c\/p\u003e\n\n  \u003ch3\u003eIDMAX15 vs IDMAX12: Scale and Purpose\u003c\/h3\u003e\n  \u003cp\u003eThe Image Dynamics IDMAX12 V.4 and the IDMAX15 share the field-replaceable cone assembly, Glass Fiber\/Pulp cone, Aluminum neck joint, and Parabolic Santoprene surround. The IDMAX15 steps up to a 575 ounce motor from 400 ounces, a 2.5 inch voice coil from 2.0 inches, 22mm Xmax from 19mm, 600 watts RMS from 500 watts, and requires a minimum sealed enclosure of 1.5 cubic feet versus 0.65 cubic feet. The IDMAX15 is for large vehicle builds where the IDMAX12 runs out of cone area and output before filling the cabin. In a standard trunk build, the IDMAX12 is the right choice. In a Suburban, Expedition, Sprinter, or dedicated audio build, the IDMAX15 is what the space calls for.\u003c\/p\u003e\n\n  \u003ch3\u003eField-Replaceable Cone Assembly\u003c\/h3\u003e\n  \u003cp\u003eThe IDMAX15 uses the same 16-screw field-replaceable cone assembly as the IDMAX10 and IDMAX12. Remove the screws, position the replacement assembly with alignment shims, reinstall. No adhesive, no curing time, no professional service required. On a 43 pound driver used at high power in competition or daily high-output use, field serviceability is not a luxury, it is a practical necessity.\u003c\/p\u003e\n\n  \u003cdiv class=\"id-callout\"\u003e\n    \u003cp\u003e\u003cstrong\u003eFitment at a glance:\u003c\/strong\u003e mounting depth 10.43 inches, cutout 14.75 inches, outside diameter 16.22 inches, driver displacement 0.26 cubic feet, net weight 43 lbs. This driver requires a heavy-duty baffle and enclosure structure capable of supporting its weight. Plan at least 11 inches of rear clearance. Two people for installation is strongly recommended.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003ch3\u003eBuilt and Backed\u003c\/h3\u003e\n  \u003cp\u003eHand-built in Ontario, California. The Image Dynamics IDMAX15 V.4 carries a 1-year limited warranty through authorized dealers. Every unit sold by Audio Intensity is brand new with full warranty coverage.\u003c\/p\u003e\n\n  \u003cdiv class=\"id-cta\"\u003e\n    \u003ch3\u003eAuthorized Image Dynamics Dealer\u003c\/h3\u003e\n    \u003cp\u003eAudio Intensity ships the Image Dynamics IDMAX15 V.4 fast from Tullahoma, Tennessee. The IDMAX15 is a substantial commitment in weight, enclosure volume, and amplifier power. Tell us your vehicle, your available space, and your amplifier and we will help you determine whether this is the right driver for your build.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003cstyle\u003e\n  .id-enc { max-width: 100%; font-family: inherit; }\n  .id-enc h3 { color: #ffffff !important; font-size: 22px; margin: 28px 0 12px 0; border-left: 4px solid #0e7490 !important; padding-left: 12px; }\n  .id-enc p { color: #e2e8f0 !important; font-size: 16px; line-height: 1.65; margin: 0 0 14px 0; }\n  .id-enc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 20px 0; }\n  @media (max-width: 640px) { .id-enc-grid { grid-template-columns: 1fr; } }\n  .id-enc-card { background: #0f172a !important; border: 1px solid #334155 !important; border-radius: 10px; overflow: hidden; }\n  .id-enc-card-head { background: #0e7490 !important; color: #ffffff !important; padding: 10px 16px; font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; }\n  .id-enc-table { width: 100%; border-collapse: collapse; }\n  .id-enc-table th { background: #1e293b !important; color: #94a3b8 !important; font-size: 12px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; padding: 8px 12px; text-align: left; }\n  .id-enc-table td { padding: 10px 12px; border-bottom: 1px solid #1e293b !important; font-size: 14px; }\n  .id-enc-table td:first-child { color: #e2e8f0 !important; font-weight: 600; }\n  .id-enc-table td:not(:first-child) { color: #ffffff !important; text-align: center; }\n  .id-enc-table tr:last-child td { border-bottom: none !important; }\n  .id-enc-table .id-optimal td { background: #0c2a30 !important; }\n  .id-enc-table .id-optimal td:first-child { color: #4ade80 !important; }\n  .id-char { font-size: 11px; color: #64748b !important; display: block; font-weight: 400; margin-top: 2px; }\n  .id-graph-wrap { background: #0f172a !important; border: 1px solid #334155 !important; border-radius: 10px; padding: 16px; margin: 16px 0; }\n  .id-graph-title { color: #94a3b8 !important; font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; margin: 0 0 10px 0; }\n  .id-graph-legend { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 10px; }\n  .id-graph-legend-item { display: flex; align-items: center; gap: 6px; font-size: 12px; color: #64748b !important; }\n  .id-graph-legend-swatch { width: 24px; height: 3px; border-radius: 2px; display: inline-block; }\n  .id-enc-note { background: #1e293b !important; border: 1px solid #334155 !important; border-radius: 8px; padding: 16px 18px; margin: 18px 0 0 0; }\n  .id-enc-note p { color: #e2e8f0 !important; font-size: 14px; margin: 0; line-height: 1.6; }\n  .id-enc-link { color: #06b6d4 !important; text-decoration: underline; }\n  .id-enc-warn { background: #0c2a30 !important; border: 1px solid #0e7490 !important; border-radius: 8px; padding: 14px 16px; margin: 14px 0; }\n  .id-enc-warn p { color: #e2e8f0 !important; font-size: 14px; margin: 0; }\n\u003c\/style\u003e\n\n\u003cdiv class=\"id-enc\"\u003e\n  \u003ch3\u003eSealed Enclosure Performance: Pre-Calculated Results\u003c\/h3\u003e\n  \u003cp\u003eUsing Image Dynamics' published Thiele-Small parameters and their recommended sealed volumes, here are the predicted Qtc, system resonance (Fc), and F3 rolloff. Volumes are net internal per the IDMAX Series manual. Calculated using the same formulas as the Audio Intensity Sealed Box Calculator.\u003c\/p\u003e\n  \u003cp\u003eThe IDMAX15 has high Qts values (0.952 D2, 1.022 D4), producing elevated Qtc in sealed enclosures. This means a strong midbass lift and impactful character rather than a flat Butterworth response. Despite this, the 30 Hz Fs and large Vas combine to push F3 down to the upper 20s to low 30s across the recommended volume range. The ported Audiophile alignment at 4.0 cu ft reaches F3 at 27 Hz. This is a maximum-output driver with genuine deep extension.\u003c\/p\u003e\n\n  \u003cdiv class=\"id-enc-warn\"\u003e\n    \u003cp\u003e\u003cstrong style=\"color:#06b6d4 !important;\"\u003eD2 impedance warning:\u003c\/strong\u003e The IDMAX15 D2 has Re of 1.4 ohms per coil. Wired in parallel, the combined load is approximately 0.7 ohms, below the 1-ohm stable rating of most amplifiers. Wire the D2 in series for 4 ohms unless your amplifier is explicitly rated for sub-1-ohm operation. The D4 wired in parallel presents 2 ohms, compatible with all 1-ohm stable Class D monoblocks.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"id-enc-grid\"\u003e\n    \u003cdiv class=\"id-enc-card\"\u003e\n      \u003cdiv class=\"id-enc-card-head\"\u003eD2 — Dual 2 Ohm  |  Qts 0.952  |  Fs 30 Hz  |  Vas 77.54 L\u003c\/div\u003e\n      \u003ctable class=\"id-enc-table\"\u003e\n        \u003ctr\u003e\n\u003cth\u003eBox Volume\u003c\/th\u003e\n\u003cth\u003eQtc\u003c\/th\u003e\n\u003cth\u003eFc\u003c\/th\u003e\n\u003cth\u003eF3\u003c\/th\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e1.5 cu ft\u003cspan class=\"id-char\"\u003eCompact \/ max power handling (1000W)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.600\u003c\/td\u003e\n\u003ctd\u003e50.4 Hz\u003c\/td\u003e\n\u003ctd\u003e34.9 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr class=\"id-optimal\"\u003e\n\u003ctd\u003e2.0 cu ft ★\u003cspan class=\"id-char\"\u003eUniversal \/ balanced (900W max)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.465\u003c\/td\u003e\n\u003ctd\u003e46.2 Hz\u003c\/td\u003e\n\u003ctd\u003e32.4 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e3.0 cu ft\u003cspan class=\"id-char\"\u003eAudiophile \/ most extension (800W max)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.317\u003c\/td\u003e\n\u003ctd\u003e41.5 Hz\u003c\/td\u003e\n\u003ctd\u003e29.8 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"id-enc-card\"\u003e\n      \u003cdiv class=\"id-enc-card-head\"\u003eD4 — Dual 4 Ohm  |  Qts 1.022  |  Fs 30 Hz  |  Vas 84.8 L\u003c\/div\u003e\n      \u003ctable class=\"id-enc-table\"\u003e\n        \u003ctr\u003e\n\u003cth\u003eBox Volume\u003c\/th\u003e\n\u003cth\u003eQtc\u003c\/th\u003e\n\u003cth\u003eFc\u003c\/th\u003e\n\u003cth\u003eF3\u003c\/th\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e1.5 cu ft\u003cspan class=\"id-char\"\u003eCompact \/ max power handling (1000W)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.769\u003c\/td\u003e\n\u003ctd\u003e51.9 Hz\u003c\/td\u003e\n\u003ctd\u003e35.4 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr class=\"id-optimal\"\u003e\n\u003ctd\u003e2.0 cu ft ★\u003cspan class=\"id-char\"\u003eUniversal \/ balanced (900W max)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.615\u003c\/td\u003e\n\u003ctd\u003e47.4 Hz\u003c\/td\u003e\n\u003ctd\u003e32.8 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e3.0 cu ft\u003cspan class=\"id-char\"\u003eAudiophile \/ most extension (800W max)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.445\u003c\/td\u003e\n\u003ctd\u003e42.4 Hz\u003c\/td\u003e\n\u003ctd\u003e29.9 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"id-enc-grid\"\u003e\n    \u003cdiv class=\"id-graph-wrap\"\u003e\n      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274.7,44.9 276.0,45.0 277.2,45.1 278.4,45.3 279.7,45.4 280.9,45.5 282.1,45.7 283.3,45.8 284.6,45.9 285.8,46.0 287.0,46.1 288.2,46.3 289.5,46.4 290.7,46.5 291.9,46.6 293.1,46.7 294.4,46.8 295.6,46.9 296.8,47.0 298.1,47.1 299.3,47.2 300.5,47.3 301.7,47.4 303.0,47.5 304.2,47.6 305.4,47.7 306.6,47.8 307.9,47.8 309.1,47.9 310.3,48.0 311.5,48.1 312.8,48.2 314.0,48.2 315.2,48.3 316.5,48.4 317.7,48.5 318.9,48.5 320.1,48.6 321.4,48.7 322.6,48.7 323.8,48.8 325.0,48.9 326.3,48.9 327.5,49.0 328.7,49.0 329.9,49.1 331.2,49.2 332.4,49.2 333.6,49.3 334.9,49.3 336.1,49.4 337.3,49.4 338.5,49.5 339.8,49.5 341.0,49.6 342.2,49.6 343.4,49.7 344.7,49.7 345.9,49.8 347.1,49.8 348.3,49.9 349.6,49.9 350.8,49.9 352.0,50.0 353.3,50.0 354.5,50.1 355.7,50.1 356.9,50.1 358.2,50.2 359.4,50.2 360.6,50.2 361.8,50.3 363.1,50.3 364.3,50.3 365.5,50.4 366.7,50.4 368.0,50.4 369.2,50.5 370.4,50.5 371.7,50.5 372.9,50.6 374.1,50.6 375.3,50.6 376.6,50.6 377.8,50.7 379.0,50.7 380.2,50.7 381.5,50.8 382.7,50.8 383.9,50.8 385.1,50.8 386.4,50.8 387.6,50.9 388.8,50.9 390.1,50.9 391.3,50.9 392.5,51.0 393.7,51.0 395.0,51.0 396.2,51.0 397.4,51.0 398.6,51.1 399.9,51.1 401.1,51.1 402.3,51.1 403.5,51.1 404.8,51.1 406.0,51.2\" fill=\"none\" stroke=\"#06b6d4\" stroke-width=\"1.5\" stroke-linejoin=\"round\" stroke-dasharray=\"5 3\"\u003e\u003c\/polyline\u003e\n\u003c\/svg\u003e\n      \u003cdiv class=\"id-graph-legend\"\u003e\n        \u003cspan class=\"id-graph-legend-item\"\u003e\u003cspan class=\"id-graph-legend-swatch\" style=\"background:#ef4444;\"\u003e\u003c\/span\u003e1.5 cu ft (Qtc 1.769)\u003c\/span\u003e\n        \u003cspan class=\"id-graph-legend-item\"\u003e\u003cspan class=\"id-graph-legend-swatch\" style=\"background:#4ade80;\"\u003e\u003c\/span\u003e2.0 cu ft (Qtc 1.615) ★\u003c\/span\u003e\n        \u003cspan class=\"id-graph-legend-item\"\u003e\u003cspan class=\"id-graph-legend-swatch\" style=\"background:#06b6d4;\"\u003e\u003c\/span\u003e3.0 cu ft (Qtc 1.445)\u003c\/span\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"id-enc-note\"\u003e\n    \u003cp\u003e\u003cstrong style=\"color:#06b6d4 !important;\"\u003ePower handling and ported options:\u003c\/strong\u003e Sealed power handling decreases as volume increases: 1000W at 1.5 cu ft, 900W at 2.0 cu ft, 800W at 3.0 cu ft. The IDMAX15 ported Audiophile alignment at 4.0 cu ft tuned to 27 Hz reaches F3 at 27 Hz. The high sealed Qtc values are normal for this high-Qts driver and produce strong midbass impact and presence in large vehicle cabins. Port dimensions for each ported alignment are in the IDMAX Series V.4 manual. \u003ca class=\"id-enc-link\" href=\"\/pages\/sealed-box-calculator\"\u003eRun your own numbers in the Sealed Box Calculator.\u003c\/a\u003e\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #0f172a !important; border: 1px solid #334155 !important; border-radius: 8px; padding: 16px 20px; margin: 24px 0;\"\u003e\n  \u003cp style=\"color: #e2e8f0 !important; font-size: 15px; margin: 0; line-height: 1.6;\"\u003eThe \u003cstrong style=\"color: #06b6d4 !important;\"\u003eEnclosures tab above\u003c\/strong\u003e lists enclosures available for large-format drivers. The IDMAX15 requires a custom or purpose-built enclosure in most installations; contact Audio Intensity before ordering for fitment guidance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Image Dynamics","offers":[{"title":"Dual 2 ohm","offer_id":41762743812185,"sku":"IDMAX15 D2 V4","price":679.99,"currency_code":"USD","in_stock":true},{"title":"Dual 4 ohm","offer_id":41762743844953,"sku":"IDMAX15 D2 V4","price":679.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/image-dynamics-idmax15-v4-15-inch-subwoofersubwooferimage-dynamics-898935.jpg?v=1761970194"},{"product_id":"image-dynamics-id10-v4-10-inch-subwoofer","title":"Image Dynamics ID10 V4 10-inch Subwoofer","description":"\u003cstyle\u003e\n  .id-wrap { max-width: 100%; font-family: inherit; color: #e2e8f0 !important; }\n  .id-hero { background: #0f172a !important; border: 1px solid #334155 !important; padding: 36px 28px; border-radius: 12px; margin-bottom: 28px; border-bottom: 4px solid #0e7490 !important; }\n  .id-eyebrow { color: #94a3b8 !important; font-size: 13px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; margin: 0 0 10px 0; }\n  .id-hero h2 { color: #ffffff !important; font-size: 28px; margin: 0 0 8px 0; line-height: 1.2; }\n  .id-hero p { color: #e2e8f0 !important; font-size: 16px; margin: 0 0 18px 0; }\n  .id-badges { display: flex; flex-wrap: wrap; gap: 8px; }\n  .id-badge { background: #0e7490 !important; color: #ffffff !important; font-size: 13px; font-weight: 600; padding: 6px 12px; border-radius: 4px; }\n  .id-badge-alt { background: #1e293b !important; color: #e2e8f0 !important; border: 1px solid #334155 !important; }\n  .id-wrap h3 { color: #ffffff !important; font-size: 22px; margin: 28px 0 12px 0; border-left: 4px solid #0e7490 !important; padding-left: 12px; }\n  .id-wrap p { color: #e2e8f0 !important; font-size: 16px; line-height: 1.65; margin: 0 0 14px 0; }\n  .id-callout { background: #1e293b !important; border: 1px solid #94a3b8 !important; border-radius: 8px; padding: 18px 20px; margin: 22px 0; }\n  .id-callout p { color: #e2e8f0 !important; margin: 0; }\n  .id-statgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin: 22px 0; }\n  .id-stat { background: #0f172a !important; border: 1px solid #334155 !important; border-radius: 8px; padding: 16px; text-align: center; }\n  .id-stat .id-statnum { color: #06b6d4 !important; font-size: 22px; font-weight: 700; display: block; }\n  .id-stat .id-statlabel { color: #94a3b8 !important; font-size: 12px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; display: block; margin-top: 4px; }\n  .id-cta { background: #0f172a !important; border: 1px solid #334155 !important; padding: 28px; border-radius: 12px; margin-top: 30px; text-align: center; border-top: 4px solid #0e7490 !important; }\n  .id-cta h3 { color: #ffffff !important; border-left: none !important; padding-left: 0; margin-top: 0; }\n  .id-cta p { color: #e2e8f0 !important; }\n\u003c\/style\u003e\n\n\u003cdiv class=\"id-wrap\"\u003e\n\n  \u003cdiv class=\"id-hero\"\u003e\n    \u003cp class=\"id-eyebrow\"\u003eImage Dynamics ID Series Subwoofers\u003c\/p\u003e\n    \u003ch2\u003eImage Dynamics ID10 V.4 10 Inch Subwoofer\u003c\/h2\u003e\n    \u003cp\u003eMore cone area, more output. The ID10 V.4 brings the full ID Series construction to a 10 inch platform: 250 watts RMS, 13.95mm Xmax, Parabolic Santoprene surround, BASV former, and sealed volumes down to 0.40 cubic feet for installations where a 12 inch box will not fit.\u003c\/p\u003e\n    \u003cdiv class=\"id-badges\"\u003e\n      \u003cspan class=\"id-badge\"\u003e250W RMS\u003c\/span\u003e\n      \u003cspan class=\"id-badge\"\u003e500W Peak\u003c\/span\u003e\n      \u003cspan class=\"id-badge\"\u003eHand-Built in the USA\u003c\/span\u003e\n      \u003cspan class=\"id-badge id-badge-alt\"\u003eDual 2 or Dual 4 Ohm\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003ch3\u003eThe Step Up from the ID8\u003c\/h3\u003e\n  \u003cp\u003eThe Image Dynamics ID10 V.4 scales the ID Series platform to a 10 inch driver: 250 watts RMS versus 150 watts on the ID8, 363 cm2 of cone area versus 240.6 cm2, and a 2.0 inch voice coil on a 127 ounce motor versus the ID8's 1.5 inch coil on a 90 ounce motor. Every material and construction choice carries over: Parabolic Santoprene surround, Poly\/Mica cone, Hybrid Progressive Nomex spider, Polycarbonate neck joint, BASV voice coil former.\u003c\/p\u003e\n  \u003cp\u003eThe enclosure requirement steps up proportionally. The ID10 sealed range starts at 0.40 cubic feet and tops out at 0.80 cubic feet. If your installation can accommodate that minimum volume, the ID10 gives you meaningfully more output and deeper extension than the ID8, with ported alignments extending F3 down to 26 Hz at the largest recommended volume.\u003c\/p\u003e\n\n  \u003cdiv class=\"id-statgrid\"\u003e\n    \u003cdiv class=\"id-stat\"\u003e\n\u003cspan class=\"id-statnum\"\u003e0.40\u003c\/span\u003e\u003cspan class=\"id-statlabel\"\u003eCu Ft Min Sealed\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"id-stat\"\u003e\n\u003cspan class=\"id-statnum\"\u003e13.95mm\u003c\/span\u003e\u003cspan class=\"id-statlabel\"\u003eXmax\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"id-stat\"\u003e\n\u003cspan class=\"id-statnum\"\u003e250W\u003c\/span\u003e\u003cspan class=\"id-statlabel\"\u003eRMS Power\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"id-stat\"\u003e\n\u003cspan class=\"id-statnum\"\u003e5.12 in\u003c\/span\u003e\u003cspan class=\"id-statlabel\"\u003eMounting Depth\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003ch3\u003eID Series Construction at 10 Inches\u003c\/h3\u003e\n  \u003cp\u003eThe Parabolic Santoprene surround on the ID10 serves the same purpose as on the ID8: UV resistance, temperature stability, and long-term compliance retention in automotive environments. The parabolic profile allows the 10 inch cone to maintain linearity at the higher excursion levels a 250 watt driver produces. At 13.95mm of one-way Xmax, the ID10 has real excursion reserve for both sealed and ported applications.\u003c\/p\u003e\n  \u003cp\u003eThe 2.0 inch voice coil with BASV former is the thermal management upgrade from the ID8's 1.5 inch coil. More copper wire in the gap, more surface area for heat dissipation, better sustained power handling. Image Dynamics rates the ID10 at 250 watts RMS continuous and means it in the same way they mean the ID8's 150 watt figure: engineered to that number, not inflated to it.\u003c\/p\u003e\n  \u003cp\u003eThe Extended Y-35 motor at 127 ounces provides strong motor force relative to the 10 inch cone, which contributes to the punchy, impactful sealed alignment that ID Series drivers are known for. The enclosure performance section below shows the Qtc and F3 data for both D2 and D4 variants across all three recommended sealed volumes.\u003c\/p\u003e\n\n  \u003ch3\u003ePorted Potential\u003c\/h3\u003e\n  \u003cp\u003eImage Dynamics recommends sealed for optimal sound quality but publishes full ported specifications for the ID10. The ported range runs from 1.14 cubic feet tuned to 32 Hz (Compact, F3 29 Hz) through 1.62 cubic feet tuned to 28 Hz (Audiophile, F3 26 Hz). Those F3 numbers are exceptional for a 10 inch driver and the reason the ID Series has been used in both daily listening builds and sound quality competition for over thirty years. Port dimensions for each alignment are in the ID Series V.4 owner's manual.\u003c\/p\u003e\n\n  \u003cdiv class=\"id-callout\"\u003e\n    \u003cp\u003e\u003cstrong\u003eFitment at a glance:\u003c\/strong\u003e mounting depth 5.12 inches, cutout 9.125 inches, outside diameter 10.125 inches, driver displacement 0.0832 cubic feet. Sealed enclosures are net internal volumes per Image Dynamics specifications. Ported enclosure volumes include port volume per the manual.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003ch3\u003eD2 or D4\u003c\/h3\u003e\n  \u003cp\u003eThe D2 wires to 1 ohm or 4 ohms; the D4 wires to 2 ohms or 8 ohms. Unlike the ID8, where the D2 and D4 have markedly different Vas values, the ID10 D2 and D4 are closer in character (Vas 31.56 L vs 37.31 L), though the D4 still runs higher Qtc at the same sealed volume. Pick the coil that suits your amplifier's preferred impedance. The enclosure performance section below shows both variants.\u003c\/p\u003e\n\n  \u003ch3\u003eBuilt and Backed\u003c\/h3\u003e\n  \u003cp\u003eHand-built in Ontario, California. Image Dynamics covers the ID10 V.4 with a 1-year limited warranty through authorized dealers. Every unit sold by Audio Intensity is brand new with full warranty coverage.\u003c\/p\u003e\n\n  \u003cdiv class=\"id-cta\"\u003e\n    \u003ch3\u003eAuthorized Image Dynamics Dealer\u003c\/h3\u003e\n    \u003cp\u003eAudio Intensity ships the Image Dynamics ID10 V.4 fast from Tullahoma, Tennessee. Tell us your available enclosure volume and your amplifier and we will help you pick the right voice coil and build the right box.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003cstyle\u003e\n  .id-enc { max-width: 100%; font-family: inherit; }\n  .id-enc h3 { color: #ffffff !important; font-size: 22px; margin: 28px 0 12px 0; border-left: 4px solid #0e7490 !important; padding-left: 12px; }\n  .id-enc p { color: #e2e8f0 !important; font-size: 16px; line-height: 1.65; margin: 0 0 14px 0; }\n  .id-enc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 20px 0; }\n  @media (max-width: 640px) { .id-enc-grid { grid-template-columns: 1fr; } }\n  .id-enc-card { background: #0f172a !important; border: 1px solid #334155 !important; border-radius: 10px; overflow: hidden; }\n  .id-enc-card-head { background: #0e7490 !important; color: #ffffff !important; padding: 10px 16px; font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; }\n  .id-enc-table { width: 100%; border-collapse: collapse; }\n  .id-enc-table th { background: #1e293b !important; color: #94a3b8 !important; font-size: 12px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; padding: 8px 12px; text-align: left; }\n  .id-enc-table td { padding: 10px 12px; border-bottom: 1px solid #1e293b !important; font-size: 14px; }\n  .id-enc-table td:first-child { color: #e2e8f0 !important; font-weight: 600; }\n  .id-enc-table td:not(:first-child) { color: #ffffff !important; text-align: center; }\n  .id-enc-table tr:last-child td { border-bottom: none !important; }\n  .id-enc-table .id-optimal td { background: #0c2a30 !important; }\n  .id-enc-table .id-optimal td:first-child { color: #4ade80 !important; }\n  .id-char { font-size: 11px; color: #64748b !important; display: block; font-weight: 400; margin-top: 2px; }\n  .id-graph-wrap { background: #0f172a !important; border: 1px solid #334155 !important; border-radius: 10px; padding: 16px; margin: 16px 0; }\n  .id-graph-title { color: #94a3b8 !important; font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; margin: 0 0 10px 0; }\n  .id-graph-legend { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 10px; }\n  .id-graph-legend-item { display: flex; align-items: center; gap: 6px; font-size: 12px; color: #64748b !important; }\n  .id-graph-legend-swatch { width: 24px; height: 3px; border-radius: 2px; display: inline-block; }\n  .id-enc-note { background: #1e293b !important; border: 1px solid #334155 !important; border-radius: 8px; padding: 16px 18px; margin: 18px 0 0 0; }\n  .id-enc-note p { color: #e2e8f0 !important; font-size: 14px; margin: 0; line-height: 1.6; }\n  .id-enc-link { color: #06b6d4 !important; text-decoration: underline; }\n\u003c\/style\u003e\n\n\u003cdiv class=\"id-enc\"\u003e\n  \u003ch3\u003eSealed Enclosure Performance: Pre-Calculated Results\u003c\/h3\u003e\n  \u003cp\u003eUsing Image Dynamics' published Thiele-Small parameters, here are the predicted Qtc, system resonance (Fc), and F3 rolloff for each sealed volume. Volumes are net internal (including driver displacement), per the ID Series manual. Calculated using the same formulas as the Audio Intensity Sealed Box Calculator.\u003c\/p\u003e\n  \u003cp\u003eThe ID10 is a high-Qts driver. Qtc values above 1.0 across the recommended sealed range are by design, producing punchy, impactful bass with a midbass lift. The F3 values in the low-to-mid 40s are strong performance from a 10 inch driver in compact sealed enclosures. The D4 runs higher Qtc than D2 at the same volume due to its larger Vas, producing a fuller, more prominent midbass character.\u003c\/p\u003e\n\n  \u003cdiv class=\"id-enc-grid\"\u003e\n    \u003cdiv class=\"id-enc-card\"\u003e\n      \u003cdiv class=\"id-enc-card-head\"\u003eD2 — Dual 2 Ohm  |  Qts 0.671  |  Fs 32 Hz  |  Vas 31.56 L\u003c\/div\u003e\n      \u003ctable class=\"id-enc-table\"\u003e\n        \u003ctr\u003e\n\u003cth\u003eBox Volume\u003c\/th\u003e\n\u003cth\u003eQtc\u003c\/th\u003e\n\u003cth\u003eFc\u003c\/th\u003e\n\u003cth\u003eF3\u003c\/th\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e0.40 cu ft\u003cspan class=\"id-char\"\u003eCompact \/ max power handling (450W)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.306\u003c\/td\u003e\n\u003ctd\u003e62.3 Hz\u003c\/td\u003e\n\u003ctd\u003e44.8 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr class=\"id-optimal\"\u003e\n\u003ctd\u003e0.60 cu ft ★\u003cspan class=\"id-char\"\u003eUniversal \/ balanced (350W max)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.134\u003c\/td\u003e\n\u003ctd\u003e54.1 Hz\u003c\/td\u003e\n\u003ctd\u003e40.5 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e0.80 cu ft\u003cspan class=\"id-char\"\u003eAudiophile \/ most extension (250W max)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.038\u003c\/td\u003e\n\u003ctd\u003e49.5 Hz\u003c\/td\u003e\n\u003ctd\u003e38.3 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"id-enc-card\"\u003e\n      \u003cdiv class=\"id-enc-card-head\"\u003eD4 — Dual 4 Ohm  |  Qts 0.731  |  Fs 32 Hz  |  Vas 37.31 L\u003c\/div\u003e\n      \u003ctable class=\"id-enc-table\"\u003e\n        \u003ctr\u003e\n\u003cth\u003eBox Volume\u003c\/th\u003e\n\u003cth\u003eQtc\u003c\/th\u003e\n\u003cth\u003eFc\u003c\/th\u003e\n\u003cth\u003eF3\u003c\/th\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e0.40 cu ft\u003cspan class=\"id-char\"\u003eCompact \/ max power handling (450W)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.515\u003c\/td\u003e\n\u003ctd\u003e66.3 Hz\u003c\/td\u003e\n\u003ctd\u003e46.3 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr class=\"id-optimal\"\u003e\n\u003ctd\u003e0.60 cu ft ★\u003cspan class=\"id-char\"\u003eUniversal \/ balanced (350W max)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.307\u003c\/td\u003e\n\u003ctd\u003e57.2 Hz\u003c\/td\u003e\n\u003ctd\u003e41.2 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e0.80 cu ft\u003cspan class=\"id-char\"\u003eAudiophile \/ most extension (250W max)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.189\u003c\/td\u003e\n\u003ctd\u003e52.1 Hz\u003c\/td\u003e\n\u003ctd\u003e38.4 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"id-enc-grid\"\u003e\n    \u003cdiv class=\"id-graph-wrap\"\u003e\n      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360.6,49.8 361.8,49.8 363.1,49.9 364.3,49.9 365.5,49.9 366.7,50.0 368.0,50.0 369.2,50.1 370.4,50.1 371.7,50.1 372.9,50.2 374.1,50.2 375.3,50.2 376.6,50.3 377.8,50.3 379.0,50.3 380.2,50.4 381.5,50.4 382.7,50.4 383.9,50.5 385.1,50.5 386.4,50.5 387.6,50.6 388.8,50.6 390.1,50.6 391.3,50.6 392.5,50.7 393.7,50.7 395.0,50.7 396.2,50.7 397.4,50.8 398.6,50.8 399.9,50.8 401.1,50.8 402.3,50.9 403.5,50.9 404.8,50.9 406.0,50.9\" fill=\"none\" stroke=\"#06b6d4\" stroke-width=\"1.5\" stroke-linejoin=\"round\" stroke-dasharray=\"5 3\"\u003e\u003c\/polyline\u003e\n\u003c\/svg\u003e\n      \u003cdiv class=\"id-graph-legend\"\u003e\n        \u003cspan class=\"id-graph-legend-item\"\u003e\u003cspan class=\"id-graph-legend-swatch\" style=\"background:#ef4444;\"\u003e\u003c\/span\u003e0.40 cu ft (Qtc 1.515)\u003c\/span\u003e\n        \u003cspan class=\"id-graph-legend-item\"\u003e\u003cspan class=\"id-graph-legend-swatch\" style=\"background:#4ade80;\"\u003e\u003c\/span\u003e0.60 cu ft (Qtc 1.307) ★\u003c\/span\u003e\n        \u003cspan class=\"id-graph-legend-item\"\u003e\u003cspan class=\"id-graph-legend-swatch\" style=\"background:#06b6d4;\"\u003e\u003c\/span\u003e0.80 cu ft (Qtc 1.189)\u003c\/span\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"id-enc-note\"\u003e\n    \u003cp\u003e\u003cstrong style=\"color:#06b6d4 !important;\"\u003ePower handling and ported options:\u003c\/strong\u003e As with all ID Series drivers, sealed enclosure power handling decreases as volume increases: 450W at 0.40 cu ft, 350W at 0.60 cu ft, 250W at 0.80 cu ft. For ported applications, the ID10 extends F3 down to 26 Hz in the Audiophile 1.62 cu ft alignment tuned to 28 Hz. Ported power handling follows the same de-rating. Match your amplifier to the enclosure you plan to build. \u003ca class=\"id-enc-link\" href=\"\/pages\/sealed-box-calculator\"\u003eRun your own numbers in the Sealed Box Calculator.\u003c\/a\u003e\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #0f172a !important; border: 1px solid #334155 !important; border-radius: 8px; padding: 16px 20px; margin: 24px 0;\"\u003e\n  \u003cp style=\"color: #e2e8f0 !important; font-size: 15px; margin: 0; line-height: 1.6;\"\u003eReady to build? The \u003cstrong style=\"color: #06b6d4 !important;\"\u003eEnclosures tab above\u003c\/strong\u003e lists the Proline X sealed enclosures we build specifically for 10 inch drivers, CNC-cut in Tullahoma, Tennessee.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Image Dynamics","offers":[{"title":"Dual 2 ohm","offer_id":41765378883673,"sku":"ID10 D2 V4","price":139.99,"currency_code":"USD","in_stock":true},{"title":"Dual 4 ohm","offer_id":41765378916441,"sku":"ID10 D4 V4","price":139.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/image-dynamics-id10-v4-10-inch-subwoofersubwooferimage-dynamics-688999.jpg?v=1761970197"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/collections\/image-dynamics-subwoofers-9940746.png?v=1764509903","url":"https:\/\/audiointensity.com\/collections\/image-dynamics-subwoofers.oembed?page=2","provider":"Audio Intensity","version":"1.0","type":"link"}