{"title":"Arc Audio 12 inch Subwoofers","description":"","products":[{"product_id":"arc-audio-x2v2-12-subwoofer","title":"Arc Audio X2V2 12\" Subwoofer","description":"\u003cstyle\u003e\n  .arc-wrap { max-width: 100%; font-family: inherit; color: #e4e4e7 !important; }\n  .arc-hero { background: #18181b !important; border: 1px solid #3f3f46 !important; color: #ffffff !important; padding: 36px 28px; border-radius: 12px; margin-bottom: 28px; border-bottom: 4px solid #d71920 !important; }\n  .arc-eyebrow { color: #c8ccd0 !important; font-size: 13px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; margin: 0 0 10px 0; }\n  .arc-hero h2 { color: #ffffff !important; font-size: 28px; margin: 0 0 8px 0; line-height: 1.2; }\n  .arc-hero p { color: #f4f4f5 !important; font-size: 16px; margin: 0 0 18px 0; }\n  .arc-badges { display: flex; flex-wrap: wrap; gap: 8px; }\n  .arc-badge { background: #d71920 !important; color: #ffffff !important; font-size: 13px; font-weight: 600; padding: 6px 12px; border-radius: 4px; }\n  .arc-badge-alt { background: #27272a !important; color: #ffffff !important; border: 1px solid #c8ccd0 !important; }\n  .arc-wrap h3 { color: #ffffff !important; font-size: 22px; margin: 28px 0 12px 0; border-left: 4px solid #d71920 !important; padding-left: 12px; }\n  .arc-wrap h4 { color: #f04657 !important; font-size: 17px; margin: 20px 0 8px 0; }\n  .arc-wrap p { color: #e4e4e7 !important; font-size: 16px; line-height: 1.65; margin: 0 0 14px 0; }\n  .arc-callout { background: #27272a !important; border: 1px solid #c8ccd0 !important; border-radius: 8px; padding: 18px 20px; margin: 22px 0; }\n  .arc-callout p { color: #f4f4f5 !important; margin: 0; }\n  .arc-statgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin: 22px 0; }\n  .arc-stat { background: #18181b !important; border: 1px solid #3f3f46 !important; border-radius: 8px; padding: 16px; text-align: center; }\n  .arc-stat .arc-statnum { color: #ffffff !important; font-size: 22px; font-weight: 700; display: block; }\n  .arc-stat .arc-statlabel { color: #c8ccd0 !important; font-size: 12px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; display: block; margin-top: 4px; }\n  .arc-cta { background: #18181b !important; border: 1px solid #3f3f46 !important; color: #ffffff !important; padding: 28px; border-radius: 12px; margin-top: 30px; text-align: center; border-top: 4px solid #d71920 !important; }\n  .arc-cta h3 { color: #ffffff !important; border-left: none !important; padding-left: 0; margin-top: 0; }\n  .arc-cta p { color: #f4f4f5 !important; }\n\u003c\/style\u003e\n\n\u003cdiv class=\"arc-wrap\"\u003e\n\n  \u003cdiv class=\"arc-hero\"\u003e\n    \u003cp class=\"arc-eyebrow\"\u003eArc Audio X2V2 Series Subwoofers\u003c\/p\u003e\n    \u003ch2\u003eArc Audio X2V2 12 Inch Subwoofer\u003c\/h2\u003e\n    \u003cp\u003eMore cone, more output, same engineering. The X2V2 12 brings the full thermal and cooling system of the X2V2 line to a 12 inch driver rated at 250 watts RMS with deep sealed extension.\u003c\/p\u003e\n    \u003cdiv class=\"arc-badges\"\u003e\n      \u003cspan class=\"arc-badge\"\u003e250W RMS\u003c\/span\u003e\n      \u003cspan class=\"arc-badge\"\u003e500W Peak\u003c\/span\u003e\n      \u003cspan class=\"arc-badge\"\u003eDual 2 or Dual 4 Ohm\u003c\/span\u003e\n      \u003cspan class=\"arc-badge arc-badge-alt\"\u003e1-Year Warranty\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003ch3\u003e250 Watts Built to Last\u003c\/h3\u003e\n  \u003cp\u003eThe Arc Audio X2V2 12 inch subwoofer handles 250 watts RMS continuous and 500 watts maximum, with a recommended amplifier range of 5 to 500 watts. The same extended power testing philosophy applies here as on the 10: Arc Audio doubled test power levels after each successful round to identify and address actual failure points, producing a 250 watt RMS rating that reflects sustained real-world thermal capacity.\u003c\/p\u003e\n  \u003cp\u003eThe 514 square centimeter cone area moves substantially more air than a 10 inch driver at the same excursion. Combined with 15mm of one-way linear Xmax and sensitivity reaching 85.95 dB on the D2, the X2V2 12 fills a cabin without asking for a high-powered amplifier to do it.\u003c\/p\u003e\n\n  \u003cdiv class=\"arc-statgrid\"\u003e\n    \u003cdiv class=\"arc-stat\"\u003e\n\u003cspan class=\"arc-statnum\"\u003e250W\u003c\/span\u003e\u003cspan class=\"arc-statlabel\"\u003eRMS Power\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"arc-stat\"\u003e\n\u003cspan class=\"arc-statnum\"\u003e15mm\u003c\/span\u003e\u003cspan class=\"arc-statlabel\"\u003eXmax\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"arc-stat\"\u003e\n\u003cspan class=\"arc-statnum\"\u003e85.95 dB\u003c\/span\u003e\u003cspan class=\"arc-statlabel\"\u003eSensitivity (D2)\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"arc-stat\"\u003e\n\u003cspan class=\"arc-statnum\"\u003e6.75 in\u003c\/span\u003e\u003cspan class=\"arc-statlabel\"\u003eMounting Depth\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003ch3\u003eThe Same Cooling System, Scaled Up\u003c\/h3\u003e\n  \u003cp\u003eEvery thermal feature from the X2V2 10 carries over to the 12. A two-inch copper-coated aluminum voice coil on a Kapton former, anodized black for radiative heat dissipation. The four-spoke stamped steel basket with eight integrated motor cooling vents and a T-Yoke center vent. Double-stacked magnets for motor efficiency. The 12 inch cone moves more air and generates more heat at the same power level, and Arc Audio engineered the platform to handle that.\u003c\/p\u003e\n\n  \u003ch3\u003eConstruction Built for Daily Use\u003c\/h3\u003e\n  \u003cp\u003eThe reinforced pulp paper cone carries a moisture-resistant coating for reliability in all conditions. The large-diameter rubber surround replaces foam, eliminating the most common long-term failure point in subwoofers. The high-roll Conex spider has tinsel leads woven directly into it, removing the bare-lead designs that cause cone slap and short circuits over time.\u003c\/p\u003e\n\n  \u003ch3\u003eChoose Your Voice Coil: D2 or D4\u003c\/h3\u003e\n  \u003cp\u003eThe dual 2-ohm (D2) wires to 1 ohm or 4 ohms, the dual 4-ohm (D4) wires to 2 ohms or 8 ohms. The T\/S parameters differ between variants, which changes the sealed box alignment and character, so select the coil based on your amplifier's preferred impedance first. The enclosure performance section below shows exactly how each variant behaves across the recommended sealed volume range.\u003c\/p\u003e\n\n  \u003cdiv class=\"arc-callout\"\u003e\n    \u003cp\u003e\u003cstrong\u003eFitment at a glance:\u003c\/strong\u003e mounting depth 6.75 inches, cutout 11.11 inches, outside diameter 12.45 inches, displacement 0.07 cu ft. Recommended sealed volume is 0.9 to 1.55 cubic feet. Confirm cutout, depth, and box space before ordering.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003ch3\u003eBuilt and Backed\u003c\/h3\u003e\n  \u003cp\u003eEvery Arc Audio X2V2 12 sold by Audio Intensity is brand new and carries the Arc Audio 1-year warranty through authorized dealers.\u003c\/p\u003e\n\n  \u003cdiv class=\"arc-cta\"\u003e\n    \u003ch3\u003eAuthorized Arc Audio Dealer\u003c\/h3\u003e\n    \u003cp\u003eAudio Intensity ships the Arc Audio X2V2 12 fast from Tullahoma, Tennessee, with real installer support before and after the sale. Tell us your amplifier and your available space and we will help you land on the right voice coil, the right enclosure, and the right gain structure.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003cstyle\u003e\n  .arc-enc { max-width: 100%; font-family: inherit; }\n  .arc-enc h3 { color: #ffffff !important; font-size: 22px; margin: 28px 0 12px 0; border-left: 4px solid #d71920 !important; padding-left: 12px; }\n  .arc-enc p { color: #e4e4e7 !important; font-size: 16px; line-height: 1.65; margin: 0 0 14px 0; }\n  .arc-enc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 20px 0; }\n  @media (max-width: 640px) { .arc-enc-grid { grid-template-columns: 1fr; } }\n  .arc-enc-card { background: #18181b !important; border: 1px solid #3f3f46 !important; border-radius: 10px; overflow: hidden; }\n  .arc-enc-card-head { background: #d71920 !important; color: #ffffff !important; padding: 10px 16px; font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; }\n  .arc-enc-table { width: 100%; border-collapse: collapse; }\n  .arc-enc-table th { background: #27272a !important; color: #c8ccd0 !important; font-size: 12px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; padding: 8px 12px; text-align: left; }\n  .arc-enc-table td { padding: 10px 12px; border-bottom: 1px solid #27272a !important; font-size: 14px; }\n  .arc-enc-table td:first-child { color: #e4e4e7 !important; font-weight: 600; }\n  .arc-enc-table td:not(:first-child) { color: #ffffff !important; text-align: center; }\n  .arc-enc-table tr:last-child td { border-bottom: none !important; }\n  .arc-enc-table .arc-optimal td { background: #1a2a1a !important; }\n  .arc-enc-table .arc-optimal td:first-child { color: #4ade80 !important; }\n  .arc-char { font-size: 11px; color: #a1a1aa !important; display: block; font-weight: 400; margin-top: 2px; }\n  .arc-graph-wrap { background: #18181b !important; border: 1px solid #3f3f46 !important; border-radius: 10px; padding: 16px; margin: 16px 0; }\n  .arc-graph-title { color: #c8ccd0 !important; font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; margin: 0 0 10px 0; }\n  .arc-graph-legend { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 10px; }\n  .arc-graph-legend-item { display: flex; align-items: center; gap: 6px; font-size: 12px; color: #a1a1aa !important; }\n  .arc-graph-legend-swatch { width: 24px; height: 3px; border-radius: 2px; display: inline-block; }\n  .arc-enc-note { background: #27272a !important; border: 1px solid #3f3f46 !important; border-radius: 8px; padding: 16px 18px; margin: 18px 0 0 0; }\n  .arc-enc-note p { color: #e4e4e7 !important; font-size: 14px; margin: 0; line-height: 1.6; }\n  .arc-enc-link { color: #f04657 !important; text-decoration: underline; }\n\u003c\/style\u003e\n\n\u003cdiv class=\"arc-enc\"\u003e\n  \u003ch3\u003eSealed Enclosure Performance: Pre-Calculated Results\u003c\/h3\u003e\n  \u003cp\u003eUsing Arc Audio's published Thiele-Small parameters and their recommended sealed volumes, here are the predicted Qtc, system resonance (Fc), F3 rolloff, and frequency response for each box size. Calculated using the same formulas as the Audio Intensity Sealed Box Calculator.\u003c\/p\u003e\n  \u003cp\u003eThe X2V2 12 is a high-Qts driver, producing elevated midbass presence and impact in a sealed box rather than a flat Butterworth alignment. The payoff is deep F3 extension into the upper 30 Hz range from a moderately sized enclosure, with significant additional cabin gain below 80 Hz in-vehicle.\u003c\/p\u003e\n\n  \u003cdiv class=\"arc-enc-grid\"\u003e\n    \u003cdiv class=\"arc-enc-card\"\u003e\n      \u003cdiv class=\"arc-enc-card-head\"\u003eD2 — Dual 2 Ohm  |  Qts 0.471  |  Fs 25.57 Hz  |  Vas 79.36 L\u003c\/div\u003e\n      \u003ctable class=\"arc-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\u003e0.9 cu ft\u003cspan class=\"arc-char\"\u003eMinimum \/ tightest\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.955\u003c\/td\u003e\n\u003ctd\u003e51.9 Hz\u003c\/td\u003e\n\u003ctd\u003e41.7 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr class=\"arc-optimal\"\u003e\n\u003ctd\u003e1.15 cu ft ★\u003cspan class=\"arc-char\"\u003eOptimal (Arc recommended)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.873\u003c\/td\u003e\n\u003ctd\u003e47.4 Hz\u003c\/td\u003e\n\u003ctd\u003e40.0 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e1.55 cu ft\u003cspan class=\"arc-char\"\u003eMaximum \/ most relaxed\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.789\u003c\/td\u003e\n\u003ctd\u003e42.8 Hz\u003c\/td\u003e\n\u003ctd\u003e38.8 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"arc-enc-card\"\u003e\n      \u003cdiv class=\"arc-enc-card-head\"\u003eD4 — Dual 4 Ohm  |  Qts 0.543  |  Fs 25.57 Hz  |  Vas 82.65 L\u003c\/div\u003e\n      \u003ctable class=\"arc-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\u003e0.9 cu ft\u003cspan class=\"arc-char\"\u003eMinimum \/ tightest\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.119\u003c\/td\u003e\n\u003ctd\u003e52.7 Hz\u003c\/td\u003e\n\u003ctd\u003e39.6 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr class=\"arc-optimal\"\u003e\n\u003ctd\u003e1.15 cu ft ★\u003cspan class=\"arc-char\"\u003eOptimal (Arc recommended)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.021\u003c\/td\u003e\n\u003ctd\u003e48.1 Hz\u003c\/td\u003e\n\u003ctd\u003e37.5 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e1.55 cu ft\u003cspan class=\"arc-char\"\u003eMaximum \/ most relaxed\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.922\u003c\/td\u003e\n\u003ctd\u003e43.4 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=\"arc-enc-grid\"\u003e\n    \u003cdiv class=\"arc-graph-wrap\"\u003e\n      \u003cp 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363.1,51.1 364.3,51.1 365.5,51.1 366.7,51.1 368.0,51.1 369.2,51.2 370.4,51.2 371.7,51.2 372.9,51.2 374.1,51.2 375.3,51.2 376.6,51.3 377.8,51.3 379.0,51.3 380.2,51.3 381.5,51.3 382.7,51.3 383.9,51.3 385.1,51.3 386.4,51.4 387.6,51.4 388.8,51.4 390.1,51.4 391.3,51.4 392.5,51.4 393.7,51.4 395.0,51.4 396.2,51.5 397.4,51.5 398.6,51.5 399.9,51.5 401.1,51.5 402.3,51.5 403.5,51.5 404.8,51.5 406.0,51.5\" fill=\"none\" stroke=\"#60a5fa\" stroke-width=\"1.5\" stroke-linejoin=\"round\" stroke-dasharray=\"5 3\"\u003e\u003c\/polyline\u003e\n\u003c\/svg\u003e\n      \u003cdiv class=\"arc-graph-legend\"\u003e\n        \u003cspan class=\"arc-graph-legend-item\"\u003e\u003cspan class=\"arc-graph-legend-swatch\" style=\"background:#ef4444;\"\u003e\u003c\/span\u003e0.9 cu ft (Qtc 1.119)\u003c\/span\u003e\n        \u003cspan class=\"arc-graph-legend-item\"\u003e\u003cspan class=\"arc-graph-legend-swatch\" style=\"background:#4ade80;\"\u003e\u003c\/span\u003e1.15 cu ft (Qtc 1.021) ★\u003c\/span\u003e\n        \u003cspan class=\"arc-graph-legend-item\"\u003e\u003cspan class=\"arc-graph-legend-swatch\" style=\"background:#60a5fa;\"\u003e\u003c\/span\u003e1.55 cu ft (Qtc 0.922)\u003c\/span\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"arc-enc-note\"\u003e\n    \u003cp\u003e\u003cstrong style=\"color:#ffffff !important;\"\u003eWhat the numbers mean:\u003c\/strong\u003e Qtc near 0.707 is textbook Butterworth (flattest sealed response). The X2V2 12 runs higher across all volumes by design, producing warm, punchy bass with a midbass lift rather than a ruler-flat response. The D2 in 1.15 cu ft lands at Qtc 0.873 (warm, full-sounding). The D4 at the same volume hits Qtc 1.021 (pronounced midbass punch). F3 in the 38 to 42 Hz range is strong for a 12 inch driver in a moderate enclosure, and vehicle cabin gain below 80 Hz adds 6 to 12 dB in practice. \u003ca class=\"arc-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: #18181b !important; border: 1px solid #3f3f46 !important; border-radius: 8px; padding: 16px 20px; margin: 24px 0;\"\u003e\n  \u003cp style=\"color: #e4e4e7 !important; font-size: 15px; margin: 0; line-height: 1.6;\"\u003eReady to build? The \u003cstrong style=\"color: #ffffff !important;\"\u003eEnclosures tab above\u003c\/strong\u003e lists the Proline X sealed enclosures we build specifically for this driver, CNC-cut in Tullahoma, Tennessee to the dimensions the numbers above call for.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Arc Audio","offers":[{"title":"Dual 2 Ohm","offer_id":40310406643801,"sku":"X2V2-12_2","price":229.0,"currency_code":"USD","in_stock":true},{"title":"Dual 4 Ohm","offer_id":40310406676569,"sku":"X2V2-12_4","price":229.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/products\/arc-audio-x2v2-12-subwoofersubwooferarc-audio-435522.jpg?v=1761969126"},{"product_id":"arc-audio-a12-12-subwoofer","title":"Arc Audio A12 12\" Subwoofer | Audio Intensity","description":"\u003cstyle\u003e\n  .arc-wrap { max-width: 100%; font-family: inherit; color: #e4e4e7 !important; }\n  .arc-hero { background: #18181b !important; border: 1px solid #3f3f46 !important; color: #ffffff !important; padding: 36px 28px; border-radius: 12px; margin-bottom: 28px; border-bottom: 4px solid #d71920 !important; }\n  .arc-eyebrow { color: #c8ccd0 !important; font-size: 13px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; margin: 0 0 10px 0; }\n  .arc-hero h2 { color: #ffffff !important; font-size: 28px; margin: 0 0 8px 0; line-height: 1.2; }\n  .arc-hero p { color: #f4f4f5 !important; font-size: 16px; margin: 0 0 18px 0; }\n  .arc-badges { display: flex; flex-wrap: wrap; gap: 8px; }\n  .arc-badge { background: #d71920 !important; color: #ffffff !important; font-size: 13px; font-weight: 600; padding: 6px 12px; border-radius: 4px; }\n  .arc-badge-alt { background: #27272a !important; color: #ffffff !important; border: 1px solid #c8ccd0 !important; }\n  .arc-wrap h3 { color: #ffffff !important; font-size: 22px; margin: 28px 0 12px 0; border-left: 4px solid #d71920 !important; padding-left: 12px; }\n  .arc-wrap h4 { color: #f04657 !important; font-size: 17px; margin: 20px 0 8px 0; }\n  .arc-wrap p { color: #e4e4e7 !important; font-size: 16px; line-height: 1.65; margin: 0 0 14px 0; }\n  .arc-callout { background: #27272a !important; border: 1px solid #c8ccd0 !important; border-radius: 8px; padding: 18px 20px; margin: 22px 0; }\n  .arc-callout p { color: #f4f4f5 !important; margin: 0; }\n  .arc-statgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin: 22px 0; }\n  .arc-stat { background: #18181b !important; border: 1px solid #3f3f46 !important; border-radius: 8px; padding: 16px; text-align: center; }\n  .arc-stat .arc-statnum { color: #ffffff !important; font-size: 22px; font-weight: 700; display: block; }\n  .arc-stat .arc-statlabel { color: #c8ccd0 !important; font-size: 12px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; display: block; margin-top: 4px; }\n  .arc-cta { background: #18181b !important; border: 1px solid #3f3f46 !important; color: #ffffff !important; padding: 28px; border-radius: 12px; margin-top: 30px; text-align: center; border-top: 4px solid #d71920 !important; }\n  .arc-cta h3 { color: #ffffff !important; border-left: none !important; padding-left: 0; margin-top: 0; }\n  .arc-cta p { color: #f4f4f5 !important; }\n\u003c\/style\u003e\n\n\u003cdiv class=\"arc-wrap\"\u003e\n\n  \u003cdiv class=\"arc-hero\"\u003e\n    \u003cp class=\"arc-eyebrow\"\u003eArc Audio A-Series Shallow-Mount Subwoofers\u003c\/p\u003e\n    \u003ch2\u003eArc Audio A12 12 Inch Subwoofer\u003c\/h2\u003e\n    \u003cp\u003eMaximum output from the A-Series platform. The A12 brings 300 watts RMS and 12 inch cone area to installs where a full-depth 12 cannot physically fit, built with the same premium materials that define the A-Series line.\u003c\/p\u003e\n    \u003cdiv class=\"arc-badges\"\u003e\n      \u003cspan class=\"arc-badge\"\u003e300W RMS\u003c\/span\u003e\n      \u003cspan class=\"arc-badge\"\u003e600W Peak\u003c\/span\u003e\n      \u003cspan class=\"arc-badge\"\u003e3.85 in Mounting Depth\u003c\/span\u003e\n      \u003cspan class=\"arc-badge arc-badge-alt\"\u003eDual 2 or Dual 4 Ohm\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003ch3\u003eMaximum A-Series Output\u003c\/h3\u003e\n  \u003cp\u003eThe Arc Audio A12 is the top of the A-Series lineup: 300 watts RMS, 600 watts peak, 12 inch cone area, and 3.85 inches of mounting depth. The same Totoku copper voice coil wire, spun-laced Nomex former, UV grade polyether surround, progressive Nomex-blend spider, and laser-etched bonding surfaces as the A10, scaled to a 12 inch platform and built to handle a larger enclosure and more amplifier power.\u003c\/p\u003e\n  \u003cp\u003eThe jump from a 10 inch to a 12 inch cone produces about 45 percent more cone area, which moves more air at the same excursion. The result is more bass output per watt, deeper extension for a given box size, and the ability to fill larger vehicle cabins that a 10 will leave sounding thin. When your installation allows for the 0.85 to 1.25 cubic foot gross enclosure volume the A12 needs, the extra cone area is worth having.\u003c\/p\u003e\n\n  \u003cdiv class=\"arc-statgrid\"\u003e\n    \u003cdiv class=\"arc-stat\"\u003e\n\u003cspan class=\"arc-statnum\"\u003e3.85 in\u003c\/span\u003e\u003cspan class=\"arc-statlabel\"\u003eMounting Depth\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"arc-stat\"\u003e\n\u003cspan class=\"arc-statnum\"\u003e300W\u003c\/span\u003e\u003cspan class=\"arc-statlabel\"\u003eRMS Power\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"arc-stat\"\u003e\n\u003cspan class=\"arc-statnum\"\u003e8mm\u003c\/span\u003e\u003cspan class=\"arc-statlabel\"\u003eXmax\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"arc-stat\"\u003e\n\u003cspan class=\"arc-statnum\"\u003e1.0\u003c\/span\u003e\u003cspan class=\"arc-statlabel\"\u003eCu Ft Optimum (Gross)\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003ch3\u003eA12 vs. A10: Choose by Enclosure Volume\u003c\/h3\u003e\n  \u003cp\u003eThe A10 and A12 mount at essentially the same depth (3.77 and 3.85 inches). The difference is enclosure volume: the A10 works from 0.40 to 0.90 cubic feet gross, and the A12 requires 0.85 to 1.25 cubic feet gross. If your install can accommodate the larger box, the A12 gives you more cone area, more power handling, and more bass. If space limits you to under 0.85 cubic feet, the A10 is the right call.\u003c\/p\u003e\n\n  \u003ch3\u003eA12 vs. ARC Series 12: Choose by Mounting Depth\u003c\/h3\u003e\n  \u003cp\u003eThe ARC Series 12 inch subwoofer needs 6.0 inches of mounting depth. The A12 needs 3.85 inches. If you have 6 inches of depth available, the ARC Series 12 gives you a standard-depth driver with 16mm of Xmax and a linear design optimized for accuracy. If you have 4 inches or less, the A12 delivers 12 inch shallow-mount performance where the ARC 12 simply will not fit. Both carry the same enclosure volume requirement in the recommended range.\u003c\/p\u003e\n\n  \u003ch3\u003eBuilt to the A-Series Standard\u003c\/h3\u003e\n  \u003cp\u003eThe progressive heat-pressed poly-injected pulp cone keeps moving mass low so the limited motor force of a shallow-mount design can still drive the cone responsively. The UV grade polyether surround handles the temperature cycling and UV exposure that destroy foam surrounds over time. The multi-point geometric basket and motor resonation control eliminates the losses that would otherwise color the bass response at this power level. Every gluing surface is laser-etched and primed before adhesion, and every adhesive is cured in a controlled environment to specification.\u003c\/p\u003e\n\n  \u003cdiv class=\"arc-callout\"\u003e\n    \u003cp\u003e\u003cstrong\u003eFitment at a glance:\u003c\/strong\u003e mounting depth 3.85 inches, cutout 10.91 inches, outside diameter 12.17 inches, total depth 4.32 inches. Plan 4.35 to 4.75 inches of internal enclosure height to allow rear clearance. Arc Audio publishes enclosure volumes as gross (external) dimensions: minimum 0.85, optimum 1.0, maximum 1.25 cubic feet gross. See the enclosure performance section below for calculated alignments at each volume.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003ch3\u003eBuilt and Backed\u003c\/h3\u003e\n  \u003cp\u003eDesigned and engineered in the USA. Every Arc Audio A12 sold by Audio Intensity is brand new and carries the Arc Audio 1-year warranty through authorized dealers.\u003c\/p\u003e\n\n  \u003cdiv class=\"arc-cta\"\u003e\n    \u003ch3\u003eAuthorized Arc Audio Dealer\u003c\/h3\u003e\n    \u003cp\u003eAudio Intensity ships the Arc Audio A12 fast from Tullahoma, Tennessee, with real installer support before and after the sale. Tell us your vehicle, your clearances, and your amplifier and we will help you confirm whether the A12 fits and how to build the enclosure correctly.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003cstyle\u003e\n  .arc-enc { max-width: 100%; font-family: inherit; }\n  .arc-enc h3 { color: #ffffff !important; font-size: 22px; margin: 28px 0 12px 0; border-left: 4px solid #d71920 !important; padding-left: 12px; }\n  .arc-enc p { color: #e4e4e7 !important; font-size: 16px; line-height: 1.65; margin: 0 0 14px 0; }\n  .arc-enc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 20px 0; }\n  @media (max-width: 640px) { .arc-enc-grid { grid-template-columns: 1fr; } }\n  .arc-enc-card { background: #18181b !important; border: 1px solid #3f3f46 !important; border-radius: 10px; overflow: hidden; }\n  .arc-enc-card-head { background: #d71920 !important; color: #ffffff !important; padding: 10px 16px; font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; }\n  .arc-enc-table { width: 100%; border-collapse: collapse; }\n  .arc-enc-table th { background: #27272a !important; color: #c8ccd0 !important; font-size: 12px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; padding: 8px 12px; text-align: left; }\n  .arc-enc-table td { padding: 10px 12px; border-bottom: 1px solid #27272a !important; font-size: 14px; }\n  .arc-enc-table td:first-child { color: #e4e4e7 !important; font-weight: 600; }\n  .arc-enc-table td:not(:first-child) { color: #ffffff !important; text-align: center; }\n  .arc-enc-table tr:last-child td { border-bottom: none !important; }\n  .arc-enc-table .arc-optimal td { background: #1a2a1a !important; }\n  .arc-enc-table .arc-optimal td:first-child { color: #4ade80 !important; }\n  .arc-char { font-size: 11px; color: #a1a1aa !important; display: block; font-weight: 400; margin-top: 2px; }\n  .arc-graph-wrap { background: #18181b !important; border: 1px solid #3f3f46 !important; border-radius: 10px; padding: 16px; margin: 16px 0; }\n  .arc-graph-title { color: #c8ccd0 !important; font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; margin: 0 0 10px 0; }\n  .arc-graph-legend { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 10px; }\n  .arc-graph-legend-item { display: flex; align-items: center; gap: 6px; font-size: 12px; color: #a1a1aa !important; }\n  .arc-graph-legend-swatch { width: 24px; height: 3px; border-radius: 2px; display: inline-block; }\n  .arc-enc-note { background: #27272a !important; border: 1px solid #3f3f46 !important; border-radius: 8px; padding: 16px 18px; margin: 18px 0 0 0; }\n  .arc-enc-note p { color: #e4e4e7 !important; font-size: 14px; margin: 0; line-height: 1.6; }\n  .arc-enc-link { color: #f04657 !important; text-decoration: underline; }\n\u003c\/style\u003e\n\n\u003cdiv class=\"arc-enc\"\u003e\n  \u003ch3\u003eSealed Enclosure Performance: Pre-Calculated Results\u003c\/h3\u003e\n  \u003cp\u003eUsing Arc Audio's published Thiele-Small parameters and their recommended sealed volumes, here are the predicted Qtc, system resonance (Fc), and F3 rolloff for each box size. Arc Audio publishes the A12 enclosure volumes as gross (external) dimensions. Net internal volume will be smaller after accounting for panel thickness and driver displacement. Calculated using the same formulas as the Audio Intensity Sealed Box Calculator.\u003c\/p\u003e\n  \u003cp\u003eThe A12 is a high-Qts shallow-mount driver with a larger than typical Vas. This produces elevated Qtc values in the recommended gross volumes, which means a pronounced midbass lift and strong output in the upper bass. The payoff is exceptional F3 extension: the D2 at the optimum 1.0 cu ft lands at F3 35.6 Hz, excellent deep bass from a driver that mounts at under 4 inches. As with the A10, the 8mm Xmax means maximum undistorted output at high excursion is more limited than a standard-depth driver; set gains accordingly.\u003c\/p\u003e\n\n  \u003cdiv class=\"arc-enc-grid\"\u003e\n    \u003cdiv class=\"arc-enc-card\"\u003e\n      \u003cdiv class=\"arc-enc-card-head\"\u003eD2 — Dual 2 Ohm  |  Qts 0.612  |  Fs 25.010 Hz  |  Vas 76.323 L\u003c\/div\u003e\n      \u003ctable class=\"arc-enc-table\"\u003e\n        \u003ctr\u003e\n\u003cth\u003eBox Volume (Gross)\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\u003e0.85 cu ft\u003cspan class=\"arc-char\"\u003eMinimum \/ tightest\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.250\u003c\/td\u003e\n\u003ctd\u003e51.1 Hz\u003c\/td\u003e\n\u003ctd\u003e37.2 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr class=\"arc-optimal\"\u003e\n\u003ctd\u003e1.0 cu ft ★\u003cspan class=\"arc-char\"\u003eOptimum (Arc recommended)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.176\u003c\/td\u003e\n\u003ctd\u003e48.1 Hz\u003c\/td\u003e\n\u003ctd\u003e35.6 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e1.25 cu ft\u003cspan class=\"arc-char\"\u003eMaximum \/ most relaxed\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.087\u003c\/td\u003e\n\u003ctd\u003e44.4 Hz\u003c\/td\u003e\n\u003ctd\u003e33.8 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"arc-enc-card\"\u003e\n      \u003cdiv class=\"arc-enc-card-head\"\u003eD4 — Dual 4 Ohm  |  Qts 0.659  |  Fs 26.995 Hz  |  Vas 81.813 L\u003c\/div\u003e\n      \u003ctable class=\"arc-enc-table\"\u003e\n        \u003ctr\u003e\n\u003cth\u003eBox Volume (Gross)\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\u003e0.85 cu ft\u003cspan class=\"arc-char\"\u003eMinimum \/ tightest\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.382\u003c\/td\u003e\n\u003ctd\u003e56.6 Hz\u003c\/td\u003e\n\u003ctd\u003e40.2 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr class=\"arc-optimal\"\u003e\n\u003ctd\u003e1.0 cu ft ★\u003cspan class=\"arc-char\"\u003eOptimum (Arc recommended)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.300\u003c\/td\u003e\n\u003ctd\u003e53.2 Hz\u003c\/td\u003e\n\u003ctd\u003e38.4 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e1.25 cu ft\u003cspan class=\"arc-char\"\u003eMaximum \/ most relaxed\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.199\u003c\/td\u003e\n\u003ctd\u003e49.1 Hz\u003c\/td\u003e\n\u003ctd\u003e36.2 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"arc-enc-grid\"\u003e\n    \u003cdiv class=\"arc-graph-wrap\"\u003e\n      \u003cp class=\"arc-graph-title\"\u003eD2 Frequency Response — Sealed\u003c\/p\u003e\n      \u003csvg viewbox=\"0 0 420 200\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:100%;height:auto;display:block;\"\u003e\n\u003crect x=\"38\" y=\"14\" width=\"368\" height=\"152\" fill=\"#0f0f0f\"\u003e\u003c\/rect\u003e\n\u003cline x1=\"38\" x2=\"406\" y1=\"128.0\" y2=\"128.0\" stroke=\"#27272a\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"34\" y=\"132.0\" text-anchor=\"end\" font-size=\"9\" fill=\"#71717a\"\u003e-12dB\u003c\/text\u003e\n\u003cline x1=\"38\" x2=\"406\" y1=\"109.0\" y2=\"109.0\" stroke=\"#27272a\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"34\" y=\"113.0\" text-anchor=\"end\" font-size=\"9\" fill=\"#71717a\"\u003e-9dB\u003c\/text\u003e\n\u003cline x1=\"38\" x2=\"406\" y1=\"90.0\" y2=\"90.0\" stroke=\"#27272a\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"34\" y=\"94.0\" text-anchor=\"end\" font-size=\"9\" fill=\"#71717a\"\u003e-6dB\u003c\/text\u003e\n\u003cline x1=\"38\" x2=\"406\" y1=\"71.0\" y2=\"71.0\" stroke=\"#27272a\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"34\" y=\"75.0\" text-anchor=\"end\" font-size=\"9\" fill=\"#71717a\"\u003e-3dB\u003c\/text\u003e\n\u003cline x1=\"38\" x2=\"406\" y1=\"52.0\" y2=\"52.0\" stroke=\"#52525b\" stroke-width=\"1.5\"\u003e\u003c\/line\u003e\n\u003ctext x=\"34\" y=\"56.0\" text-anchor=\"end\" font-size=\"9\" fill=\"#71717a\"\u003e0dB\u003c\/text\u003e\n\u003cline x1=\"38\" x2=\"406\" y1=\"33.0\" y2=\"33.0\" stroke=\"#27272a\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"34\" y=\"37.0\" text-anchor=\"end\" font-size=\"9\" fill=\"#71717a\"\u003e3dB\u003c\/text\u003e\n\u003cline x1=\"38\" x2=\"406\" y1=\"71.0\" y2=\"71.0\" stroke=\"#d71920\" stroke-width=\"1\" stroke-dasharray=\"4 3\" opacity=\"0.5\"\u003e\u003c\/line\u003e\n\u003cline x1=\"73.3\" x2=\"73.3\" y1=\"14\" y2=\"166\" stroke=\"#27272a\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003cline x1=\"123.1\" x2=\"123.1\" y1=\"14\" y2=\"166\" stroke=\"#27272a\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003cline x1=\"158.5\" x2=\"158.5\" y1=\"14\" y2=\"166\" stroke=\"#27272a\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003cline x1=\"185.9\" x2=\"185.9\" y1=\"14\" y2=\"166\" stroke=\"#27272a\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003cline x1=\"208.3\" x2=\"208.3\" y1=\"14\" y2=\"166\" stroke=\"#27272a\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003cline x1=\"243.6\" x2=\"243.6\" y1=\"14\" y2=\"166\" stroke=\"#27272a\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003cline x1=\"271.0\" x2=\"271.0\" y1=\"14\" y2=\"166\" stroke=\"#27272a\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003cline x1=\"320.9\" x2=\"320.9\" y1=\"14\" y2=\"166\" stroke=\"#27272a\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003cline x1=\"356.2\" x2=\"356.2\" y1=\"14\" y2=\"166\" stroke=\"#27272a\" 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361.8,50.0 363.1,50.1 364.3,50.1 365.5,50.2 366.7,50.2 368.0,50.2 369.2,50.3 370.4,50.3 371.7,50.3 372.9,50.4 374.1,50.4 375.3,50.4 376.6,50.5 377.8,50.5 379.0,50.5 380.2,50.5 381.5,50.6 382.7,50.6 383.9,50.6 385.1,50.7 386.4,50.7 387.6,50.7 388.8,50.7 390.1,50.8 391.3,50.8 392.5,50.8 393.7,50.8 395.0,50.9 396.2,50.9 397.4,50.9 398.6,50.9 399.9,50.9 401.1,51.0 402.3,51.0 403.5,51.0 404.8,51.0 406.0,51.0\" fill=\"none\" stroke=\"#60a5fa\" stroke-width=\"1.5\" stroke-linejoin=\"round\" stroke-dasharray=\"5 3\"\u003e\u003c\/polyline\u003e\n\u003c\/svg\u003e\n      \u003cdiv class=\"arc-graph-legend\"\u003e\n        \u003cspan class=\"arc-graph-legend-item\"\u003e\u003cspan class=\"arc-graph-legend-swatch\" style=\"background:#ef4444;\"\u003e\u003c\/span\u003e0.85 cu ft (Qtc 1.382)\u003c\/span\u003e\n        \u003cspan class=\"arc-graph-legend-item\"\u003e\u003cspan class=\"arc-graph-legend-swatch\" style=\"background:#4ade80;\"\u003e\u003c\/span\u003e1.0 cu ft (Qtc 1.300) ★\u003c\/span\u003e\n        \u003cspan class=\"arc-graph-legend-item\"\u003e\u003cspan class=\"arc-graph-legend-swatch\" style=\"background:#60a5fa;\"\u003e\u003c\/span\u003e1.25 cu ft (Qtc 1.199)\u003c\/span\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"arc-enc-note\"\u003e\n    \u003cp\u003e\u003cstrong style=\"color:#ffffff !important;\"\u003eWhat the numbers mean:\u003c\/strong\u003e The A12 runs at higher Qtc values than most standard-depth drivers, which is characteristic of shallow-mount designs with high Qts and large Vas. Qtc above 1.0 produces a pronounced midbass lift centered around the system resonance, adding impact and presence in the upper bass. The frequency response curves show a rising then falling shape rather than a flat top. The real story is the F3: the D2 at 1.0 cu ft reaches 35.6 Hz, and even at 0.85 cu ft it extends to 37 Hz, which is strong deep bass extension for a driver that mounts at 3.85 inches. Vehicle cabin gain adds another 6 to 12 dB below 80 Hz in practice. Arc publishes these as gross (external) volumes; net internal volume will be somewhat smaller. The 8mm Xmax caps maximum clean output before the driver reaches its excursion limit. \u003ca class=\"arc-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: #18181b !important; border: 1px solid #3f3f46 !important; border-radius: 8px; padding: 16px 20px; margin: 24px 0;\"\u003e\n  \u003cp style=\"color: #e4e4e7 !important; font-size: 15px; margin: 0; line-height: 1.6;\"\u003eReady to build? The \u003cstrong style=\"color: #ffffff !important;\"\u003eEnclosures tab above\u003c\/strong\u003e lists Proline X sealed enclosures optimized for 12 inch Arc Audio subwoofers, CNC-cut in Tullahoma, Tennessee.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Arc Audio","offers":[{"title":"Dual 2 Ohm","offer_id":40311413997657,"sku":"A12 D2","price":349.0,"currency_code":"USD","in_stock":true},{"title":"Dual 4 Ohm","offer_id":40311414030425,"sku":"A12 D4","price":349.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/products\/arc-audio-a12-12-subwoofersubwooferarc-audio-914537.jpg?v=1761969128"},{"product_id":"arc-audio-arc-series-12-subwoofer","title":"Arc Audio Arc Series 12\" Subwoofer","description":"\u003cstyle\u003e\n  .arc-wrap { max-width: 100%; font-family: inherit; color: #e4e4e7 !important; }\n  .arc-hero { background: #18181b !important; border: 1px solid #3f3f46 !important; color: #ffffff !important; padding: 36px 28px; border-radius: 12px; margin-bottom: 28px; border-bottom: 4px solid #d71920 !important; }\n  .arc-eyebrow { color: #c8ccd0 !important; font-size: 13px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; margin: 0 0 10px 0; }\n  .arc-hero h2 { color: #ffffff !important; font-size: 28px; margin: 0 0 8px 0; line-height: 1.2; }\n  .arc-hero p { color: #f4f4f5 !important; font-size: 16px; margin: 0 0 18px 0; }\n  .arc-badges { display: flex; flex-wrap: wrap; gap: 8px; }\n  .arc-badge { background: #d71920 !important; color: #ffffff !important; font-size: 13px; font-weight: 600; padding: 6px 12px; border-radius: 4px; }\n  .arc-badge-alt { background: #27272a !important; color: #ffffff !important; border: 1px solid #c8ccd0 !important; }\n  .arc-wrap h3 { color: #ffffff !important; font-size: 22px; margin: 28px 0 12px 0; border-left: 4px solid #d71920 !important; padding-left: 12px; }\n  .arc-wrap h4 { color: #f04657 !important; font-size: 17px; margin: 20px 0 8px 0; }\n  .arc-wrap p { color: #e4e4e7 !important; font-size: 16px; line-height: 1.65; margin: 0 0 14px 0; }\n  .arc-callout { background: #27272a !important; border: 1px solid #c8ccd0 !important; border-radius: 8px; padding: 18px 20px; margin: 22px 0; }\n  .arc-callout p { color: #f4f4f5 !important; margin: 0; }\n  .arc-statgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin: 22px 0; }\n  .arc-stat { background: #18181b !important; border: 1px solid #3f3f46 !important; border-radius: 8px; padding: 16px; text-align: center; }\n  .arc-stat .arc-statnum { color: #ffffff !important; font-size: 22px; font-weight: 700; display: block; }\n  .arc-stat .arc-statlabel { color: #c8ccd0 !important; font-size: 12px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; display: block; margin-top: 4px; }\n  .arc-cta { background: #18181b !important; border: 1px solid #3f3f46 !important; color: #ffffff !important; padding: 28px; border-radius: 12px; margin-top: 30px; text-align: center; border-top: 4px solid #d71920 !important; }\n  .arc-cta h3 { color: #ffffff !important; border-left: none !important; padding-left: 0; margin-top: 0; }\n  .arc-cta p { color: #f4f4f5 !important; }\n\u003c\/style\u003e\n\n\u003cdiv class=\"arc-wrap\"\u003e\n\n  \u003cdiv class=\"arc-hero\"\u003e\n    \u003cp class=\"arc-eyebrow\"\u003eArc Audio ARC Series Subwoofers\u003c\/p\u003e\n    \u003ch2\u003eArc Audio ARC Series 12 Inch Subwoofer\u003c\/h2\u003e\n    \u003cp\u003eThe top of the ARC Series lineup. 350 watts RMS, 89 dB sensitivity, 18mm Xmax, and the Arc Audio linear design philosophy applied to the format that moves the most air.\u003c\/p\u003e\n    \u003cdiv class=\"arc-badges\"\u003e\n      \u003cspan class=\"arc-badge\"\u003e350W RMS\u003c\/span\u003e\n      \u003cspan class=\"arc-badge\"\u003e700W Peak\u003c\/span\u003e\n      \u003cspan class=\"arc-badge\"\u003eDual 2 or Dual 4 Ohm\u003c\/span\u003e\n      \u003cspan class=\"arc-badge arc-badge-alt\"\u003e89 dB Sensitivity\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003ch3\u003eMaximum Output, Same Arc Audio Accuracy\u003c\/h3\u003e\n  \u003cp\u003eThe Arc Audio ARC Series 12 inch subwoofer handles 350 watts RMS and 700 watts maximum across a recommended amplifier range of 5 to 700 watts. The 72.85 square inch cone area moves substantially more air than the 10 inch, the 18mm one-way Xmax gives it real excursion capability, and the 89 dB sensitivity means a quality amplifier in the 300 to 400 watt range produces authority that fills a full-size truck or SUV cabin.\u003c\/p\u003e\n  \u003cp\u003eThe same linear design philosophy that runs through the ARC 8 and ARC 10 applies here. Consistent mechanical and electrical behavior across the full excursion range means the 12 is not just louder than the 10, it is louder with the same accuracy at all volume levels. Sealed, ported, and infinite baffle applications are all compatible with the driver's T\/S parameters.\u003c\/p\u003e\n\n  \u003cdiv class=\"arc-statgrid\"\u003e\n    \u003cdiv class=\"arc-stat\"\u003e\n\u003cspan class=\"arc-statnum\"\u003e350W\u003c\/span\u003e\u003cspan class=\"arc-statlabel\"\u003eRMS Power\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"arc-stat\"\u003e\n\u003cspan class=\"arc-statnum\"\u003e89 dB\u003c\/span\u003e\u003cspan class=\"arc-statlabel\"\u003eSensitivity\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"arc-stat\"\u003e\n\u003cspan class=\"arc-statnum\"\u003e18mm\u003c\/span\u003e\u003cspan class=\"arc-statlabel\"\u003eXmax\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"arc-stat\"\u003e\n\u003cspan class=\"arc-statnum\"\u003e1.07\u003c\/span\u003e\u003cspan class=\"arc-statlabel\"\u003eCu Ft Optimal\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003ch3\u003eBuilt to the ARC Series Standard\u003c\/h3\u003e\n  \u003cp\u003eHigh-temperature black anodized voice coil for thermal stability, one-piece molded rubber surround that will not deteriorate with time and temperature, progressive flat layered spider with integrated tinsel leads to eliminate bare-lead failures, stamped steel basket. Every component choice is the same as the rest of the ARC family, just scaled to a 12 inch platform.\u003c\/p\u003e\n  \u003cp\u003eThe rubber surround is worth calling out again at this size. A 12 inch subwoofer working hard in a sealed box generates real suspension loads. The rubber surround holds its compliance and damping characteristics through years of use in a way that foam cannot match, which means the driver's T\/S parameters stay stable and the sound stays consistent over the life of the system.\u003c\/p\u003e\n\n  \u003ch3\u003eChoose Your Voice Coil: D2 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 89 dB sensitivity and 18mm Xmax. The T\/S parameters differ slightly between variants, producing marginally different sealed box alignments, with the D2 running a bit tighter at the same volume. Pick the coil that puts your amplifier in its comfort zone. The enclosure performance section below shows the full picture for both.\u003c\/p\u003e\n\n  \u003cdiv class=\"arc-callout\"\u003e\n    \u003cp\u003e\u003cstrong\u003eFitment at a glance:\u003c\/strong\u003e mounting depth 6.0 inches, cutout 11-1\/8 inches. Recommended sealed volume is 0.90 to 1.25 cubic feet with 1.07 as the optimal. Also compatible with ported and infinite baffle designs.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003ch3\u003eWhen the 12 Is the Right Call\u003c\/h3\u003e\n  \u003cp\u003eThe ARC 12 earns its enclosure volume and amplifier budget in large vehicles where a 10 leaves bass thin, in systems where maximum output at moderate amplifier power is the goal, and anywhere 89 dB sensitivity and 18mm of Xmax can be used. For a daily driver in a compact car with limited trunk space, the ARC 10 is the smarter choice. For a crew cab truck, full-size SUV, or a build where bass authority matters most, the 12 is where the ARC Series performance tops out.\u003c\/p\u003e\n\n  \u003ch3\u003eBuilt and Backed\u003c\/h3\u003e\n  \u003cp\u003eDesigned and engineered in the USA. Every Arc Audio ARC Series 12 sold by Audio Intensity is brand new and carries the Arc Audio 1-year warranty through authorized dealers.\u003c\/p\u003e\n\n  \u003cdiv class=\"arc-cta\"\u003e\n    \u003ch3\u003eAuthorized Arc Audio Dealer\u003c\/h3\u003e\n    \u003cp\u003eAudio Intensity ships the Arc Audio ARC Series 12 fast from Tullahoma, Tennessee, with real installer support before and after the sale. Tell us your amplifier, your vehicle, and your goals and we will help you match the right enclosure and voice coil to your setup.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003cstyle\u003e\n  .arc-enc { max-width: 100%; font-family: inherit; }\n  .arc-enc h3 { color: #ffffff !important; font-size: 22px; margin: 28px 0 12px 0; border-left: 4px solid #d71920 !important; padding-left: 12px; }\n  .arc-enc p { color: #e4e4e7 !important; font-size: 16px; line-height: 1.65; margin: 0 0 14px 0; }\n  .arc-enc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 20px 0; }\n  @media (max-width: 640px) { .arc-enc-grid { grid-template-columns: 1fr; } }\n  .arc-enc-card { background: #18181b !important; border: 1px solid #3f3f46 !important; border-radius: 10px; overflow: hidden; }\n  .arc-enc-card-head { background: #d71920 !important; color: #ffffff !important; padding: 10px 16px; font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; }\n  .arc-enc-table { width: 100%; border-collapse: collapse; }\n  .arc-enc-table th { background: #27272a !important; color: #c8ccd0 !important; font-size: 12px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; padding: 8px 12px; text-align: left; }\n  .arc-enc-table td { padding: 10px 12px; border-bottom: 1px solid #27272a !important; font-size: 14px; }\n  .arc-enc-table td:first-child { color: #e4e4e7 !important; font-weight: 600; }\n  .arc-enc-table td:not(:first-child) { color: #ffffff !important; text-align: center; }\n  .arc-enc-table tr:last-child td { border-bottom: none !important; }\n  .arc-enc-table .arc-optimal td { background: #1a2a1a !important; }\n  .arc-enc-table .arc-optimal td:first-child { color: #4ade80 !important; }\n  .arc-char { font-size: 11px; color: #a1a1aa !important; display: block; font-weight: 400; margin-top: 2px; }\n  .arc-graph-wrap { background: #18181b !important; border: 1px solid #3f3f46 !important; border-radius: 10px; padding: 16px; margin: 16px 0; }\n  .arc-graph-title { color: #c8ccd0 !important; font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; margin: 0 0 10px 0; }\n  .arc-graph-legend { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 10px; }\n  .arc-graph-legend-item { display: flex; align-items: center; gap: 6px; font-size: 12px; color: #a1a1aa !important; }\n  .arc-graph-legend-swatch { width: 24px; height: 3px; border-radius: 2px; display: inline-block; }\n  .arc-enc-note { background: #27272a !important; border: 1px solid #3f3f46 !important; border-radius: 8px; padding: 16px 18px; margin: 18px 0 0 0; }\n  .arc-enc-note p { color: #e4e4e7 !important; font-size: 14px; margin: 0; line-height: 1.6; }\n  .arc-enc-link { color: #f04657 !important; text-decoration: underline; }\n\u003c\/style\u003e\n\n\u003cdiv class=\"arc-enc\"\u003e\n  \u003ch3\u003eSealed Enclosure Performance: Pre-Calculated Results\u003c\/h3\u003e\n  \u003cp\u003eUsing Arc Audio's published Thiele-Small parameters and their recommended sealed volumes, here are the predicted Qtc, system resonance (Fc), F3 rolloff, and frequency response for each box size. Calculated using the same formulas as the Audio Intensity Sealed Box Calculator.\u003c\/p\u003e\n  \u003cp\u003eThe ARC Series 12 runs in the slightly warm to punchy sealed zone across all three volumes. The D2 in the 1.07 cu ft optimal lands at Qtc 0.846, a full-sounding, impactful alignment with F3 below 38 Hz. The D4 runs a bit higher. Both deliver genuine deep bass extension from a moderate sealed box.\u003c\/p\u003e\n\n  \u003cdiv class=\"arc-enc-grid\"\u003e\n    \u003cdiv class=\"arc-enc-card\"\u003e\n      \u003cdiv class=\"arc-enc-card-head\"\u003eD2 — Dual 2 Ohm  |  Qts 0.455  |  Fs 23.5 Hz  |  Vas 74.43 L\u003c\/div\u003e\n      \u003ctable class=\"arc-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\u003e0.90 cu ft\u003cspan class=\"arc-char\"\u003eMinimum \/ tightest\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.901\u003c\/td\u003e\n\u003ctd\u003e46.5 Hz\u003c\/td\u003e\n\u003ctd\u003e38.6 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr class=\"arc-optimal\"\u003e\n\u003ctd\u003e1.07 cu ft ★\u003cspan class=\"arc-char\"\u003eOptimal (Arc recommended)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.846\u003c\/td\u003e\n\u003ctd\u003e43.7 Hz\u003c\/td\u003e\n\u003ctd\u003e37.7 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e1.25 cu ft\u003cspan class=\"arc-char\"\u003eMaximum \/ most relaxed\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.801\u003c\/td\u003e\n\u003ctd\u003e41.4 Hz\u003c\/td\u003e\n\u003ctd\u003e37.1 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"arc-enc-card\"\u003e\n      \u003cdiv class=\"arc-enc-card-head\"\u003eD4 — Dual 4 Ohm  |  Qts 0.469  |  Fs 23.2 Hz  |  Vas 76.28 L\u003c\/div\u003e\n      \u003ctable class=\"arc-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\u003e0.90 cu ft\u003cspan class=\"arc-char\"\u003eMinimum \/ tightest\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.937\u003c\/td\u003e\n\u003ctd\u003e46.4 Hz\u003c\/td\u003e\n\u003ctd\u003e37.6 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr class=\"arc-optimal\"\u003e\n\u003ctd\u003e1.07 cu ft ★\u003cspan class=\"arc-char\"\u003eOptimal (Arc recommended)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.880\u003c\/td\u003e\n\u003ctd\u003e43.5 Hz\u003c\/td\u003e\n\u003ctd\u003e36.6 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e1.25 cu ft\u003cspan class=\"arc-char\"\u003eMaximum \/ most relaxed\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.833\u003c\/td\u003e\n\u003ctd\u003e41.2 Hz\u003c\/td\u003e\n\u003ctd\u003e35.9 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"arc-enc-grid\"\u003e\n    \u003cdiv class=\"arc-graph-wrap\"\u003e\n      \u003cp 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251.4,49.8 252.7,49.8 253.9,49.9 255.1,49.9 256.3,49.9 257.6,49.9 258.8,49.9 260.0,49.9 261.3,50.0 262.5,50.0 263.7,50.0 264.9,50.0 266.2,50.0 267.4,50.1 268.6,50.1 269.8,50.1 271.1,50.1 272.3,50.1 273.5,50.2 274.7,50.2 276.0,50.2 277.2,50.2 278.4,50.3 279.7,50.3 280.9,50.3 282.1,50.3 283.3,50.3 284.6,50.4 285.8,50.4 287.0,50.4 288.2,50.4 289.5,50.5 290.7,50.5 291.9,50.5 293.1,50.5 294.4,50.5 295.6,50.6 296.8,50.6 298.1,50.6 299.3,50.6 300.5,50.7 301.7,50.7 303.0,50.7 304.2,50.7 305.4,50.7 306.6,50.8 307.9,50.8 309.1,50.8 310.3,50.8 311.5,50.8 312.8,50.9 314.0,50.9 315.2,50.9 316.5,50.9 317.7,50.9 318.9,50.9 320.1,51.0 321.4,51.0 322.6,51.0 323.8,51.0 325.0,51.0 326.3,51.1 327.5,51.1 328.7,51.1 329.9,51.1 331.2,51.1 332.4,51.1 333.6,51.1 334.9,51.2 336.1,51.2 337.3,51.2 338.5,51.2 339.8,51.2 341.0,51.2 342.2,51.2 343.4,51.3 344.7,51.3 345.9,51.3 347.1,51.3 348.3,51.3 349.6,51.3 350.8,51.3 352.0,51.4 353.3,51.4 354.5,51.4 355.7,51.4 356.9,51.4 358.2,51.4 359.4,51.4 360.6,51.4 361.8,51.4 363.1,51.5 364.3,51.5 365.5,51.5 366.7,51.5 368.0,51.5 369.2,51.5 370.4,51.5 371.7,51.5 372.9,51.5 374.1,51.5 375.3,51.5 376.6,51.6 377.8,51.6 379.0,51.6 380.2,51.6 381.5,51.6 382.7,51.6 383.9,51.6 385.1,51.6 386.4,51.6 387.6,51.6 388.8,51.6 390.1,51.6 391.3,51.6 392.5,51.7 393.7,51.7 395.0,51.7 396.2,51.7 397.4,51.7 398.6,51.7 399.9,51.7 401.1,51.7 402.3,51.7 403.5,51.7 404.8,51.7 406.0,51.7\" fill=\"none\" stroke=\"#60a5fa\" stroke-width=\"1.5\" stroke-linejoin=\"round\" stroke-dasharray=\"5 3\"\u003e\u003c\/polyline\u003e\n\u003c\/svg\u003e\n      \u003cdiv class=\"arc-graph-legend\"\u003e\n        \u003cspan class=\"arc-graph-legend-item\"\u003e\u003cspan class=\"arc-graph-legend-swatch\" style=\"background:#ef4444;\"\u003e\u003c\/span\u003e0.90 cu ft (Qtc 0.937)\u003c\/span\u003e\n        \u003cspan class=\"arc-graph-legend-item\"\u003e\u003cspan class=\"arc-graph-legend-swatch\" style=\"background:#4ade80;\"\u003e\u003c\/span\u003e1.07 cu ft (Qtc 0.880) ★\u003c\/span\u003e\n        \u003cspan class=\"arc-graph-legend-item\"\u003e\u003cspan class=\"arc-graph-legend-swatch\" style=\"background:#60a5fa;\"\u003e\u003c\/span\u003e1.25 cu ft (Qtc 0.833)\u003c\/span\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"arc-enc-note\"\u003e\n    \u003cp\u003e\u003cstrong style=\"color:#ffffff !important;\"\u003eWhat the numbers mean:\u003c\/strong\u003e Qtc near 0.707 is textbook Butterworth (flattest sealed response). The ARC Series 12 runs from 0.80 to 0.94 across the recommended volume range, landing in the slightly warm to impactful zone. That means a gentle midbass lift that adds fullness and presence without becoming boomy, combined with F3 in the 36 to 39 Hz range, genuine deep bass extension from a sealed 12. Vehicle cabin gain below 80 Hz adds another 6 to 12 dB in practice, extending perceived bass well below F3. The D2 at any volume runs slightly lower Qtc than the D4, producing a marginally tighter character at the same box size. \u003ca class=\"arc-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: #18181b !important; border: 1px solid #3f3f46 !important; border-radius: 8px; padding: 16px 20px; margin: 24px 0;\"\u003e\n  \u003cp style=\"color: #e4e4e7 !important; font-size: 15px; margin: 0; line-height: 1.6;\"\u003eReady to build? The \u003cstrong style=\"color: #ffffff !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":"Arc Audio","offers":[{"title":"Dual 2 Ohm","offer_id":40311419502681,"sku":"ARC12 D2","price":338.0,"currency_code":"USD","in_stock":true},{"title":"Dual 4 Ohm","offer_id":40311419535449,"sku":"ARC12 D4","price":338.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/products\/arc-audio-arc-series-12-subwoofer-singlesubwooferarc-audio-953385.jpg?v=1761969129"},{"product_id":"arc-audio-sw12-12-inch-shallow-mount-subwoofer","title":"Arc Audio SW12 12 Inch Shallow-Mount Subwoofer","description":"\u003cstyle\u003e\n  .arc-d { font-family: 'Helvetica Neue', Arial, sans-serif; line-height: 1.75; color: #1e293b; max-width: 1100px; margin: 0 auto; background: #ffffff; }\n  .arc-d * { box-sizing: border-box; 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color: #f04657 !important; background: #1c1c1f !important; border-bottom: 1px solid #3f3f46 !important; }\n  .arc-enc-table { width: 100%; border-collapse: collapse; }\n  .arc-enc-table th { background: #18181b !important; color: #a1a1aa !important; font-size: 12px; text-transform: uppercase; letter-spacing: .5px; padding: 10px 14px; text-align: left; border-bottom: 1px solid #3f3f46 !important; }\n  .arc-enc-table td { padding: 12px 14px; border-bottom: 1px solid #27272a !important; color: #e4e4e7 !important; font-size: 14px; }\n  .arc-enc-table tr:last-child td { border-bottom: none; }\n  .arc-optimal td { background: #14532d !important; color: #ffffff !important; font-weight: 600; }\n  .arc-char { display: block; font-size: 12px; color: #a1a1aa !important; font-weight: 400; margin-top: 2px; }\n  .arc-optimal .arc-char { color: #bbf7d0 !important; }\n  .arc-graph-wrap { background: #18181b !important; border: 1px solid #3f3f46 !important; border-radius: 8px; padding: 14px; margin: 18px 0; }\n  .arc-graph-title { color: #a1a1aa !important; font-size: 13px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; margin: 0 0 10px 0; }\n  .arc-graph-legend { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 10px; }\n  .arc-graph-legend-item { display: flex; align-items: center; gap: 6px; font-size: 12px; color: #71717a !important; }\n  .arc-graph-legend-swatch { width: 24px; height: 3px; border-radius: 2px; display: inline-block; }\n  .arc-enc-note { background: #27272a !important; border: 1px solid #3f3f46 !important; border-radius: 8px; padding: 16px 18px; margin: 18px 0 0 0; }\n  .arc-enc-note p { color: #e4e4e7 !important; font-size: 14px; margin: 0; line-height: 1.6; }\n  .arc-enc-link { color: #f04657 !important; text-decoration: underline; }\n  @media(max-width:600px){ .arc-d-hero h2{font-size:1.7em;} .arc-d-section,.arc-enc,.arc-d-cta,.arc-d-hero{padding-left:20px;padding-right:20px;} }\n\u003c\/style\u003e\n\u003cdiv class=\"arc-d\"\u003e\n\n  \u003cdiv class=\"arc-d-hero\"\u003e\n    \u003ch2\u003eArc Audio SW12 Shallow-Mount Subwoofer\u003c\/h2\u003e\n    \u003cp\u003eA real 12-inch SQ driver in 2.625 inches of mounting depth\u003c\/p\u003e\n    \u003cdiv class=\"arc-d-badges\"\u003e\n      \u003cspan class=\"arc-d-badge\"\u003e2.625\" Mounting Depth\u003c\/span\u003e\n      \u003cspan class=\"arc-d-badge\"\u003e15.5mm Xmax\u003c\/span\u003e\n      \u003cspan class=\"arc-d-badge\"\u003e400W RMS\u003c\/span\u003e\n      \u003cspan class=\"arc-d-badge\"\u003eNeo Motor\u003c\/span\u003e\n      \u003cspan class=\"arc-d-badge\"\u003eD2 or D4\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"arc-d-stats\"\u003e\n    \u003cdiv class=\"arc-d-stat\"\u003e\n\u003cspan class=\"n\"\u003e2.625\"\u003c\/span\u003e\u003cspan class=\"l\"\u003emounting depth\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"arc-d-stat\"\u003e\n\u003cspan class=\"n\"\u003e15.5mm\u003c\/span\u003e\u003cspan class=\"l\"\u003eone-way Xmax\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"arc-d-stat\"\u003e\n\u003cspan class=\"n\"\u003e400 \/ 800\u003c\/span\u003e\u003cspan class=\"l\"\u003ewatts RMS \/ peak\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"arc-d-stat\"\u003e\n\u003cspan class=\"n\"\u003e0.8\u003c\/span\u003e\u003cspan class=\"l\"\u003ecu ft recommended\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"arc-d-section\"\u003e\n    \u003ch3\u003eA Full 12 in 2.625 Inches\u003c\/h3\u003e\n    \u003cp\u003eThe Arc Audio SW12 puts a real 12-inch cone in a chassis that mounts in just 2.625 inches of depth. That is shallow enough for behind-seat and under-seat truck installs that would never take a conventional 12, without giving up cone area. With an 11-inch cutout and a 12.5-inch outer diameter, it drops into a properly cut shallow baffle and goes to work.\u003c\/p\u003e\n    \u003cp\u003eThis is the bigger brother to the SW10. Where the SW10 covers tight 10-inch builds, the SW12 brings more cone area, more displacement, and deeper extension for the installer who wants 12-inch output in a thin package.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"arc-d-section\"\u003e\n    \u003ch3\u003eThe Motor Lives Outside the Cone\u003c\/h3\u003e\n    \u003cp\u003eThe SW12 uses a front-mounted N42UH neodymium motor with a CNC-machined vented iron cap. Mounting the motor in front of the cone rather than behind it is how Arc keeps the depth down, and it has a real acoustic benefit: in a down-fire or front-fire enclosure the motor sits in the open cavity rather than buried inside the sealed air volume, so it breathes free air and the box keeps its true net airspace.\u003c\/p\u003e\n    \u003cdiv class=\"arc-d-grid\"\u003e\n      \u003cdiv class=\"arc-d-card\"\u003e\n        \u003ch4\u003e15.5mm of One-Way Xmax\u003c\/h4\u003e\n        \u003cp\u003eSerious linear excursion for a driver this thin. The SW12 moves real air for a shallow-mount, which is where most thin 12s fall short.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"arc-d-card\"\u003e\n        \u003ch4\u003eStage-Baked 3-Inch Coil\u003c\/h4\u003e\n        \u003cp\u003eA 3-inch tempered aluminum voice coil former handles heat and power without the compression that plagues smaller coils under long, loud drive time.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"arc-d-card\"\u003e\n        \u003ch4\u003eVented Iron Cap\u003c\/h4\u003e\n        \u003cp\u003eThe CNC-machined vented cap pulls heat out of the motor and lets the assembly stay composed when you lean on it.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"arc-d-section\"\u003e\n    \u003ch3\u003eEngineered for Sound Quality\u003c\/h3\u003e\n    \u003cp\u003eEvery part of the SW12 is chosen for accuracy, not just output. The raised-cup cone is reinforced cellulose fiber with a hydrophobic composite coating, the surround is low-shore butyl rubber for clean, linear travel, and the spider is a Nomex and cotton blend that holds the cone honest through its full excursion. The result is tight, controlled, musical bass that integrates with a real front stage rather than fighting it.\u003c\/p\u003e\n    \u003cp\u003eThe SW12 is a sealed-box driver by design. Its EBP of 45.9 places it firmly in sealed territory, and Arc recommends 0.8 cubic feet as the optimum sealed volume. Build it sealed and it rewards you with the kind of accurate, fast low end that sound-quality builds are after.\u003c\/p\u003e\n    \u003cdiv class=\"arc-d-highlight\"\u003e\n      \u003cp\u003e\u003cstrong\u003ePublished T\/S, no guesswork.\u003c\/strong\u003e Fs 33 Hz, Qts 0.616, Qes 0.719, Qms 4.289, Vas 33.73 L, BL 12.024, Mms 277.4 g, Sd 532.97 cm², sensitivity 85.29 dB. Full data so you can model the box before you cut it.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"arc-d-section\"\u003e\n    \u003ch3\u003ePower and Wiring\u003c\/h3\u003e\n    \u003cp\u003eThe SW12 handles 400 watts RMS and 800 watts peak, and comes in two coil configurations so it matches your amplifier rather than the other way around. The Dual 2-Ohm wires to 1 ohm or 4 ohm for amplifiers that make their power into low impedance. The Dual 4-Ohm wires to 2 ohm or 8 ohm for a wider range of amps. Both deliver the same power handling and the same shallow profile.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n    \u003cdiv class=\"arc-enc\"\u003e\n    \u003ch3\u003eSealed Enclosure Performance: Pre-Calculated Results\u003c\/h3\u003e\n    \u003cp\u003eUsing Arc Audio's published Thiele-Small parameters for the SW12 D4 (parallel configuration), here are the predicted Qtc, system resonance (Fc), and F3 rolloff across three sealed volumes. Arc Audio recommends 0.8 cubic feet as the optimum sealed volume. Calculated using the same formulas as the Audio Intensity Sealed Box Calculator.\u003c\/p\u003e\n    \u003cp\u003eThe SW12's Fs of 33 Hz and Vas of 33.73 L produce deeper extension than the SW10 in equivalent enclosure volumes. The EBP of 45.9 places this driver firmly in sealed enclosure territory. At the recommended 0.8 cu ft, Qtc 0.972 gives a slightly warm alignment with F3 at 41.5 Hz, excellent extension for a shallow-mount 12. The larger Vas means the SW12 needs more enclosure volume to achieve the same Qtc as the SW10.\u003c\/p\u003e\n\n    \u003cdiv class=\"arc-enc-card\"\u003e\n      \u003cdiv class=\"arc-enc-card-head\"\u003eSW12 D4 (Parallel)  |  Qts 0.616  |  Fs 33 Hz  |  Vas 33.73 L\u003c\/div\u003e\n      \u003ctable class=\"arc-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=\"arc-char\"\u003eCompact minimum\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e1.037\u003c\/td\u003e\n\u003ctd\u003e55.5 Hz\u003c\/td\u003e\n\u003ctd\u003e43.0 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr class=\"arc-optimal\"\u003e\n\u003ctd\u003e0.80 cu ft ★\u003cspan class=\"arc-char\"\u003eArc Audio recommended optimum\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.972\u003c\/td\u003e\n\u003ctd\u003e52.1 Hz\u003c\/td\u003e\n\u003ctd\u003e41.5 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e1.00 cu ft\u003cspan class=\"arc-char\"\u003eExtended \/ flattest response\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.912\u003c\/td\u003e\n\u003ctd\u003e48.8 Hz\u003c\/td\u003e\n\u003ctd\u003e40.2 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"arc-graph-wrap\"\u003e\n      \u003cp class=\"arc-graph-title\"\u003eSW12 D4 Frequency Response  |  Sealed\u003c\/p\u003e\n      \u003csvg viewbox=\"0 0 680 300\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:100%;height:auto;display:block;\"\u003e\n\u003crect x=\"0\" y=\"0\" width=\"680\" height=\"300\" fill=\"#18181b\"\u003e\u003c\/rect\u003e\n\u003cline x1=\"42\" x2=\"664\" y1=\"270.0\" y2=\"270.0\" stroke=\"#27272a\" 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sans-serif\"\u003e-3dB\u003c\/text\u003e\n\u003cline x1=\"42\" x2=\"664\" y1=\"66.8\" y2=\"66.8\" stroke=\"#27272a\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"36\" y=\"70.8\" text-anchor=\"end\" font-size=\"10\" fill=\"#71717a\" font-family=\"Arial, sans-serif\"\u003e0dB\u003c\/text\u003e\n\u003cline x1=\"42\" x2=\"664\" y1=\"16.0\" y2=\"16.0\" stroke=\"#27272a\" stroke-width=\"1\"\u003e\u003c\/line\u003e\n\u003ctext x=\"36\" y=\"20.0\" text-anchor=\"end\" font-size=\"10\" fill=\"#71717a\" font-family=\"Arial, sans-serif\"\u003e3dB\u003c\/text\u003e\n\u003cline x1=\"42\" x2=\"664\" y1=\"117.6\" y2=\"117.6\" stroke=\"#d71920\" stroke-width=\"1.4\" stroke-dasharray=\"4 3\" opacity=\"0.85\"\u003e\u003c\/line\u003e\n\u003ctext x=\"660\" y=\"112.6\" text-anchor=\"end\" font-size=\"10\" fill=\"#f04657\" font-family=\"Arial, sans-serif\"\u003e-3dB\u003c\/text\u003e\n\u003cline x1=\"42.0\" x2=\"42.0\" y1=\"16\" y2=\"270\" stroke=\"#27272a\" 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535.5,62.4 537.5,62.5 539.6,62.5 541.7,62.6 543.7,62.7 545.8,62.7 547.9,62.8 550.0,62.9 552.0,62.9 554.1,63.0 556.2,63.1 558.3,63.1 560.3,63.2 562.4,63.3 564.5,63.3 566.6,63.4 568.6,63.4 570.7,63.5 572.8,63.5 574.8,63.6 576.9,63.7 579.0,63.7 581.1,63.8 583.1,63.8 585.2,63.9 587.3,63.9 589.4,64.0 591.4,64.0 593.5,64.1 595.6,64.1 597.7,64.2 599.7,64.2 601.8,64.2 603.9,64.3 605.9,64.3 608.0,64.4 610.1,64.4 612.2,64.5 614.2,64.5 616.3,64.5 618.4,64.6 620.5,64.6 622.5,64.6 624.6,64.7 626.7,64.7 628.8,64.8 630.8,64.8 632.9,64.8 635.0,64.9 637.0,64.9 639.1,64.9 641.2,65.0 643.3,65.0 645.3,65.0 647.4,65.1 649.5,65.1 651.6,65.1 653.6,65.1 655.7,65.2 657.8,65.2 659.9,65.2 661.9,65.3 664.0,65.3\" fill=\"none\" stroke=\"#60a5fa\" stroke-width=\"1.6\" stroke-linejoin=\"round\" stroke-dasharray=\"5 3\"\u003e\u003c\/polyline\u003e\n\u003c\/svg\u003e\n      \u003cdiv class=\"arc-graph-legend\"\u003e\n        \u003cspan class=\"arc-graph-legend-item\"\u003e\u003cspan class=\"arc-graph-legend-swatch\" style=\"background:#ef4444;\"\u003e\u003c\/span\u003e0.65 cu ft (Qtc 1.037)\u003c\/span\u003e\n        \u003cspan class=\"arc-graph-legend-item\"\u003e\u003cspan class=\"arc-graph-legend-swatch\" style=\"background:#4ade80;\"\u003e\u003c\/span\u003e0.80 cu ft (Qtc 0.972) ★ Arc Recommended\u003c\/span\u003e\n        \u003cspan class=\"arc-graph-legend-item\"\u003e\u003cspan class=\"arc-graph-legend-swatch\" style=\"background:#60a5fa;\"\u003e\u003c\/span\u003e1.00 cu ft (Qtc 0.912)\u003c\/span\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"arc-enc-note\"\u003e\n      \u003cp\u003e\u003cstrong style=\"color:#f04657 !important;\"\u003eNote on impedance:\u003c\/strong\u003e T\/S parameters are measured for the D4 variant (parallel = approximately 2 ohm load). The D2 variant will produce different sealed alignments due to differing Qts and Vas values. D2 T\/S data not included in the current Arc Audio release. \u003ca class=\"arc-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\n  \u003cdiv class=\"arc-d-section\"\u003e\n    \u003ch3\u003eThe Matched Enclosure Is Already Built\u003c\/h3\u003e\n    \u003cp\u003eYou do not have to guess at the box. The Proline X Micro Series 12\" Sealed Enclosure, Fits Arc Audio SW12 is CNC-cut to the exact sealed targets shown above, in three net volumes (0.65, 0.8, and 1.0 cubic feet) on a shared 26 by 14.75 footprint, down-fire primary with a 4-foot kit and front-fire as a secondary option. Order it bare or loaded with the SW12 already mounted and wired. See the Enclosures tab for the matched Proline X enclosure.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"arc-d-cta\"\u003e\n    \u003ch3\u003eBig Bass, Thin Footprint\u003c\/h3\u003e\n    \u003cp\u003eThe Arc Audio SW12 is covered by Arc Audio's 1-year limited warranty through authorized dealers. Audio Intensity is an authorized Arc Audio dealer, and every order ships free to the lower 48.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Arc Audio","offers":[{"title":"Dual 4ohm","offer_id":43445490581593,"sku":"SW12D4","price":629.99,"currency_code":"USD","in_stock":true},{"title":"Dual 2ohm","offer_id":43445490614361,"sku":"SW12D2","price":629.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/arc-audio-sw12-12-inch-shallow-mount-subwoofersubwooferarc-audio-8464617.png?v=1781852227"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/collections\/arc-audio-12-inch-subwoofers-9096783.jpg?v=1764509894","url":"https:\/\/audiointensity.com\/collections\/arc-audio-12-inch-subwoofers.oembed?page=4","provider":"Audio Intensity","version":"1.0","type":"link"}