{"product_id":"performance-optimized-wedge-sealed-12-audiophile-enclosure-image-dynamics-idmax12-v-4","title":"Performance Optimized Wedge Sealed 12\" Audiophile Enclosure | Image Dynamics IDMAX12 V.4","description":"\u003cstyle\u003e\n  .po-wrap { font-family: 'Helvetica Neue', Arial, sans-serif; line-height: 1.8; color: #1e293b; max-width: 1200px; margin: 0 auto; background: #ffffff; }\n  .po-hero { background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-hero .po-title { font-size: 2.6em; font-weight: 800; text-transform: uppercase; letter-spacing: 2px; margin: 0 0 10px 0; color: white; }\n  .po-hero .po-subtitle { font-size: 1.2em; font-weight: 300; opacity: 0.9; margin: 0 0 30px 0; }\n  .po-badges { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 20px; }\n  .po-badge { background: rgba(6, 182, 212, 0.2); border: 1px solid #06b6d4; color: #67e8f9; padding: 8px 20px; border-radius: 20px; font-size: 0.9em; font-weight: 600; letter-spacing: 0.5px; }\n  .po-section { padding: 50px 40px; border-bottom: 1px solid #e2e8f0; background: #ffffff; }\n  .po-section:nth-child(even) { background: #f0f9ff; }\n  .po-section h2 { color: #0e7490; font-size: 2em; font-weight: 700; margin: 0 0 20px 0; padding-bottom: 12px; border-bottom: 3px solid #06b6d4; }\n  .po-section h3 { color: #0f172a; font-size: 1.4em; font-weight: 600; margin: 30px 0 15px 0; }\n  .po-section p { font-size: 1.05em; color: #334155; margin-bottom: 18px; }\n  .po-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin: 30px 0; }\n  .po-card { background: #ffffff; border: 1px solid #e2e8f0; border-top: 4px solid #06b6d4; padding: 25px; border-radius: 4px; }\n  .po-card h4 { color: #0e7490; font-size: 1.15em; font-weight: 700; margin: 0 0 12px 0; text-transform: uppercase; letter-spacing: 1px; }\n  .po-card p { font-size: 0.98em; color: #475569; margin: 0; }\n  .po-highlight { background: #f0f9ff; border-left: 4px solid #06b6d4; padding: 25px 30px; margin: 30px 0; border-radius: 4px; }\n  .po-highlight p { color: #1e293b; margin: 0; font-size: 1.05em; }\n  .po-alignment-table { width: 100%; border-collapse: collapse; margin: 20px 0; background: #ffffff; }\n  .po-alignment-table th { background: #0e7490; color: white; padding: 12px; text-align: left; font-weight: 600; font-size: 0.95em; }\n  .po-alignment-table td { padding: 12px; border-bottom: 1px solid #e2e8f0; font-size: 0.98em; color: #334155; }\n  .po-alignment-table tr.po-highlight-row { background: #f0f9ff; }\n  .po-alignment-table tr.po-highlight-row td { font-weight: 600; color: #0e7490; }\n  .po-cta { background: linear-gradient(135deg, #0f172a 0%, #0e7490 100%); padding: 60px 40px; text-align: center; color: white; }\n  .po-cta h2 { font-size: 2.2em; font-weight: 700; margin: 0 0 20px 0; color: white; border: none; padding: 0; }\n  .po-cta p { font-size: 1.15em; opacity: 0.92; max-width: 800px; margin: 0 auto 20px auto; color: white; }\n  @media (max-width: 768px) {\n    .po-hero { padding: 40px 20px; }\n    .po-hero .po-title { font-size: 1.8em; }\n    .po-section { padding: 30px 20px; }\n    .po-section h2 { font-size: 1.6em; }\n    .po-grid { grid-template-columns: 1fr; }\n    .po-cta { padding: 40px 20px; }\n    .po-cta h2 { font-size: 1.6em; }\n    .po-alignment-table { font-size: 0.85em; }\n    .po-alignment-table th, .po-alignment-table td { padding: 8px 6px; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"po-wrap\"\u003e\n\n  \u003cdiv class=\"po-hero\"\u003e\n    \u003cp class=\"po-title\"\u003ePerformance Optimized Wedge | Image Dynamics IDMAX12 V.4\u003c\/p\u003e\n    \u003cp class=\"po-subtitle\"\u003eSingle 12\" Sealed Wedge | Audiophile Alignment for the Image Dynamics IDMAX 12 Competition Subwoofer\u003c\/p\u003e\n    \u003cdiv class=\"po-badges\"\u003e\n      \u003cspan class=\"po-badge\"\u003e1.94 ft³ Gross\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e1.80 ft³ Net (Audiophile)\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eRear-Firing Wedge\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003e27.35\" × 15\" × 10.3\/15.77\"\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eV-Groove \/ Dado\u003c\/span\u003e\n      \u003cspan class=\"po-badge\"\u003eBuilt in Tennessee\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eThe Image Dynamics IDMAX12 V.4 in an Audiophile-Tuned Sealed Cabinet\u003c\/h2\u003e\n    \u003cp\u003eThe Image Dynamics IDMAX12 V.4 is a competition-grade 12-inch subwoofer engineered for sound quality competitors and audiophile daily-driver builds. Glass fiber reinforced pressed paper pulp cone, aluminum neck joint for structural integrity under sustained excursion, oversized motor structure, Nomex spider suspension for thermal survival, parabolic Santoprene surround, American-made flat-wound extended voice coil, heavy-duty cast aluminum frame, and Image Dynamics' bolt-on field-replaceable cone assembly (16 screws, no glue, alignment shims included) that turns a blown cone into a fifteen-minute rebuild rather than a lost driver. 500 watts RMS continuous power handling, 19.5mm one-way linear excursion, 545 cm² of piston area, 2-inch voice coil, dual voice coil in either 2-ohm or 4-ohm configuration. The IDMAX12 is the middle driver in Image Dynamics' three-size IDMAX platform and the size most sound quality competitors choose for the balance of extension, output, and cabinet manageability.\u003c\/p\u003e\n    \u003cp\u003eThe Performance Optimized Wedge Sealed 12 for Image Dynamics IDMAX 12 is engineered to Image Dynamics' Audiophile-tier sealed alignment. 1.94 cubic feet gross internal volume minus the IDMAX12's 0.14 cubic foot total driver displacement lands at 1.80 cubic feet net — exact match to Image Dynamics' published Audiophile spec of 1.8 cu ft for the IDMAX12 platform. This is not the compact-cabinet alignment. This is where the IDMAX12 was designed to live.\u003c\/p\u003e\n    \u003cdiv class=\"po-highlight\"\u003e\n      \u003cp\u003e1.94 cubic feet gross = 1.80 cubic feet net after the IDMAX12 V.4's 0.14 cubic foot total driver displacement. Exact match to Image Dynamics' Audiophile-tier sealed spec of 1.8 cu ft. The D2 variant lands near Butterworth (Qtc ~0.83) with F3 around 37 Hz sealed. The D4 variant runs with a slight lift (Qtc ~0.90) and reaches F3 near 36 Hz. Both alignments extend well below what a 12\" driver typically reaches in a car audio sealed enclosure.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eTrunk-Load Wedge Design Explained\u003c\/h2\u003e\n    \u003cp\u003eThis wedge is not a front-firing enclosure. The woofer is mounted on the vertical face that sits at the back of the box, closest to the trunk lid, and fires rearward into the trunk cavity. The angled face is on the opposite side of the box — the side that faces the front of the vehicle — and tucks against the rear seat back. Two different problems solved by one geometry, applied here to a driver that rewards the trunk-load approach with the extension and control an audiophile alignment can deliver.\u003c\/p\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eSeat-Side Face Matches Seat Lean\u003c\/h4\u003e\n        \u003cp\u003eMost factory rear seat backs lean roughly 20 degrees back from vertical. The angled face of this wedge (10.3\" at the top, 15.77\" at the bottom) matches that lean, tucking against the seat back with no wasted gap. The IDMAX12's 8.15\" mount depth is accommodated by the top face without pushing the driver into cabin space.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eTrunk-Lid-Side Face Fires the Woofer\u003c\/h4\u003e\n        \u003cp\u003eThe vertical face on the opposite side of the wedge (27.35\" wide × 15\" tall) is where the IDMAX12 mounts. The driver fires rearward toward the trunk lid, using the trunk cavity as an acoustic loading chamber. Classic SQ trunk-load pattern applied to a competition-grade audiophile driver.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eTrunk Cavity Loading Complements Audiophile Alignment\u003c\/h4\u003e\n        \u003cp\u003eFiring the woofer into the trunk cavity uses the trunk itself as an extension of the acoustic system. Low frequencies transmit into the passenger cabin through the rear deck, seat back, and cabin boundaries — a smoother, less-localized presentation than direct-firing setups. The 1.80 cu ft net audiophile alignment complements this by delivering extended low-end that the trunk cavity translates into deep, controlled cabin response.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eWidest Cabinet in the 10-12\" PO Wedge Line\u003c\/h4\u003e\n        \u003cp\u003e27.35\" wide by 15\" tall by 10.3-15.77\" deep. Genuinely large. This is the widest cabinet in the Performance Optimized Wedge line short of the 15\" builds — wider than every 10\" and 12\" wedge in the catalog. The larger footprint is not incidental — it is the price of the audiophile alignment. Verify trunk clearance before ordering.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eAudiophile Alignment Explained | Why 1.80 Cubic Feet Net\u003c\/h2\u003e\n    \u003cp\u003eImage Dynamics publishes three sealed alignments for the IDMAX12 platform in the V.4 series manual — a Compact alignment (0.65 cu ft) for maximum power handling in constrained installs, a Universal alignment (1.0 cu ft) for balanced performance, and the Audiophile alignment (1.8 cu ft) for maximum extension and lowest Qtc. Each alignment produces a different acoustic character with different power handling ceilings and different F3 targets. The Performance Optimized Wedge Sealed 12 is engineered to the Audiophile alignment target exactly.\u003c\/p\u003e\n    \u003ch3\u003ePredicted Alignment at 1.80 Cubic Feet Net\u003c\/h3\u003e\n    \u003cp\u003eUsing Image Dynamics' published Thiele-Small parameters for the IDMAX12 V.4, calculated using the same formulas as the Audio Intensity Sealed Box Calculator, here is what the Audiophile alignment produces for each impedance variant:\u003c\/p\u003e\n    \u003ctable class=\"po-alignment-table\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n          \u003cth\u003eVariant\u003c\/th\u003e\n          \u003cth\u003eQts\u003c\/th\u003e\n          \u003cth\u003eVas\u003c\/th\u003e\n          \u003cth\u003eQtc @ 1.80 ft³\u003c\/th\u003e\n          \u003cth\u003eFc\u003c\/th\u003e\n          \u003cth\u003eF3\u003c\/th\u003e\n          \u003cth\u003eCharacter\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr class=\"po-highlight-row\"\u003e\n          \u003ctd\u003eIDMAX12 V.4 D2\u003c\/td\u003e\n          \u003ctd\u003e0.52\u003c\/td\u003e\n          \u003ctd\u003e77.51 L\u003c\/td\u003e\n          \u003ctd\u003e0.83\u003c\/td\u003e\n          \u003ctd\u003e42 Hz\u003c\/td\u003e\n          \u003ctd\u003e~37 Hz\u003c\/td\u003e\n          \u003ctd\u003eButterworth-adjacent, flattest response\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eIDMAX12 V.4 D4\u003c\/td\u003e\n          \u003ctd\u003e0.58\u003c\/td\u003e\n          \u003ctd\u003e72.16 L\u003c\/td\u003e\n          \u003ctd\u003e0.90\u003c\/td\u003e\n          \u003ctd\u003e43 Hz\u003c\/td\u003e\n          \u003ctd\u003e~36 Hz\u003c\/td\u003e\n          \u003ctd\u003eSlight lift, warmer, similar F3\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n    \u003cp\u003eBoth alignments are legitimate audiophile territory. The D2 sits slightly above classic Butterworth (Qtc 0.707) for a controlled, accurate response with the flattest character available from an IDMAX in this alignment. The D4 runs modestly higher Qtc for a warmer character with a slight upper-bass lift, and interestingly reaches similar F3 to the D2 despite the higher Qtc — because the D4's slightly higher Fs is offset by the higher-Q resonance behavior. Neither variant produces the punchy midbass-forward character of a compact-cabinet alignment. This cabinet is built for the extended, controlled side of the IDMAX12's capabilities.\u003c\/p\u003e\n    \u003ch3\u003eD2 vs D4 Selection Note\u003c\/h3\u003e\n    \u003cp\u003eAn important point that differs from the IDMAX10 build: on the IDMAX12, the D4 runs a higher Qts than the D2 (0.58 vs 0.52), which produces the higher Qtc alignment. On the IDMAX10, the pattern was reversed (D4 Qts 0.44 was lower than D2 0.50). This means on the IDMAX12 the D2 is the flatter, more Butterworth-adjacent choice, while on the IDMAX10 the D4 was the tighter overdamped choice. If you are cross-shopping between the two sizes and want the flattest audiophile character in either, that means D4 on the 10\" or D2 on the 12\". If you want a slight warmer midbass lift, that means D2 on the 10\" or D4 on the 12\".\u003c\/p\u003e\n    \u003ch3\u003eWhat Audiophile Alignment Trades Against\u003c\/h3\u003e\n    \u003cp\u003eThe extended low-end and controlled Qtc come with real trade-offs worth understanding before you order. Cabinet size is significantly larger than a compact 12\" enclosure — 27.35\" wide, taking up meaningful trunk space. Power handling in a larger cabinet is lower than in a compact alignment because reduced air-spring loading allows greater cone excursion at the same input power — plan for 400-500 watts RMS input rather than pushing the driver's 500W thermal limit continuously. Efficiency is slightly lower — cabin gain and vehicle acoustics matter more when the cabinet does not add its own peak. The audiophile alignment is the right answer when accuracy and extension matter more than compact fitment or maximum output.\u003c\/p\u003e\n    \u003ch3\u003eImpedance and Amplifier Matching\u003c\/h3\u003e\n    \u003cp\u003eThe D2 wired in parallel presents a 1-ohm load — pair it with a modern class D monoblock stable at 1 ohm delivering 400-500 watts RMS. The D4 wired in parallel presents a 2-ohm load — pair it with a class D monoblock delivering 400-500 watts RMS at 2 ohms. Both variants fit this cabinet identically since the physical dimensions and displacement are the same across the DVC configurations.\u003c\/p\u003e\n    \u003ch3\u003eMounting Geometry and Driver Fitment\u003c\/h3\u003e\n    \u003cp\u003eThe vertical trunk-lid-side baffle is cut to the IDMAX12 V.4's exact 11.02\" cutout specification. The IDMAX12's 8.15\" mounting depth fits inside the cabinet with proper clearance — internal depth from the vertical baffle to the interior of the angled seat-side face ranges from approximately 9.55\" at the top baffle edge to 15.02\" at the bottom (after accounting for 3\/4\" MDF panel thickness), with the driver's mounting position at cabinet center providing over 12.28\" of clearance behind the motor. Substantial room for the IDMAX12's large motor structure and heavy backplate.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003ePerformance Series Construction, Built for Sustained IDMAX Operation\u003c\/h2\u003e\n    \u003cdiv class=\"po-grid\"\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eLangboard Elite MDF\u003c\/h4\u003e\n        \u003cp\u003ePremium 3\/4\" MDF panels milled to documented spec — denser and more dimensionally stable than commodity MDF. Panel resonance at the low frequencies the IDMAX12 audiophile alignment reaches would color the character of a driver chosen specifically for accuracy. Langboard's density stops the panels from adding their own signature to the driver's output.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eV-Groove and Dado Joinery\u003c\/h4\u003e\n        \u003cp\u003eCNC-cut V-grooves at every panel intersection let the wedge cabinet fold into its angled shape with maximum glue surface. Dado joints lock the vertical woofer baffle and the angled seat-side panel into the side walls — no fasteners visible from outside, no exposed end grain at joints, no compromise on structural integrity under sustained low-frequency loading.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003eInternal Bracing at Larger Cabinet Span\u003c\/h4\u003e\n        \u003cp\u003eThe 27.35\" wide baffle span requires internal cross-bracing to prevent flex under IDMAX-level cone motion. Perimeter cross-brace ties the vertical baffle to the angled seat-side panel at the mid-height. Standard on this cabinet as delivered.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"po-card\"\u003e\n        \u003ch4\u003ePre-Wired Terminal Cup\u003c\/h4\u003e\n        \u003cp\u003eProline X ABS\/carbon fiber composite terminal cup, pre-wired with 12-gauge OFC inside the cabinet, with stainless steel hardware accepting both spade and banana terminations on the input side. Handles the IDMAX12's 500W RMS power delivery.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cp\u003eEvery panel is cut on ShopSabre CNC routers in our Tullahoma, TN facility. The angled seat-side panel requires precise CNC compound cuts to hit both the 1.80 cu ft net audiophile alignment target and the mating angles between the top and bottom edges. Internal volume is verified on every unit to ensure the audiophile-alignment target is achieved.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eCustomize Your Build\u003c\/h2\u003e\n    \u003ch3\u003eCarpet Finish\u003c\/h3\u003e\n    \u003cp\u003e\u003cstrong\u003eDark Gray Trunkliner\u003c\/strong\u003e is the standard durable wrap, matched to most factory trunk and cargo-area carpet tones. \u003cstrong\u003ePlush Black\u003c\/strong\u003e (+$10) is a deeper, more luxurious nap that pairs well with blacked-out interiors and show builds.\u003c\/p\u003e\n    \u003ch3\u003eAcrylic Insert Color\u003c\/h3\u003e\n    \u003cp\u003eChoose \u003cstrong\u003eBlack, Blue, Red, or White\u003c\/strong\u003e for the baffle insert to match your build. Or skip the insert entirely (-$40) for a clean, understated look. The insert is purely cosmetic — performance is identical across colors.\u003c\/p\u003e\n    \u003ch3\u003eEnclosure Only\u003c\/h3\u003e\n    \u003cp\u003eThis listing is for the enclosure only. Drop in your existing Image Dynamics IDMAX12 V.4 D2 (Dual 2-ohm) or IDMAX12 V.4 D4 (Dual 4-ohm) subwoofer — the cabinet fits both variants identically. Source your driver from Image Dynamics or an authorized ID dealer.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eWiring the Image Dynamics IDMAX12 V.4 to Your Amplifier\u003c\/h2\u003e\n    \u003cp\u003eThe IDMAX12 V.4 is a dual-voice-coil driver available in two impedance configurations. The pre-wired terminal cup accepts the two-conductor connection via 12-gauge OFC, with stainless steel input hardware accepting both spade and banana terminations.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eIDMAX12 V.4 D2 (Dual 2-ohm):\u003c\/strong\u003e Parallel wiring presents a 1-ohm load — ideal for modern class D monoblocks stable at 1 ohm delivering 400-500 watts RMS at that impedance. Series wiring presents 4 ohms if your amplifier is not 1-ohm stable. Note that the IDMAX12 D2 has Re of 1.65 ohms per coil, giving a combined parallel load closer to 0.83 ohms measured — verify your amplifier is rated for sub-1-ohm operation before wiring parallel.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eIDMAX12 V.4 D4 (Dual 4-ohm):\u003c\/strong\u003e Parallel wiring presents a 2-ohm load — compatible with essentially all class D monoblocks. Series wiring presents 8 ohms for amplifiers that prefer higher impedance loads. The D4 is generally the easier match for standard mainstream amplifiers, especially given the D2's sub-1-ohm parallel measured impedance.\u003c\/p\u003e\n    \u003cp\u003eThe IDMAX12 is rated for 500 watts RMS continuous. In the audiophile 1.80 cu ft alignment, the reduced air-spring loading means the driver reaches its mechanical excursion limit before its thermal limit — plan for 400-500 watts RMS input from a well-regulated class D monoblock rather than pushing continuous operation at or above the thermal rating. Set your amplifier's active low-pass filter between 70 and 90 Hz for musical accuracy in a full-range system. Subsonic filter around 20-25 Hz to protect the mechanical suspension at frequencies well below the alignment's Fc.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-section\"\u003e\n    \u003ch2\u003eBuilt in Tennessee, Backed by Audio Intensity\u003c\/h2\u003e\n    \u003cp\u003eEvery Performance Optimized enclosure is CNC-cut, assembled, and finished in our Tullahoma, TN facility. Components are pulled from inventory after your order is placed, then bonded and wrapped — a 2 to 5 business day assembly window before the box ships. No pre-built inventory sitting in warehouses, warping in storage. Each unit is built to order.\u003c\/p\u003e\n    \u003cp\u003eBacked by a 1-year limited warranty against structural failure and hardware defects on the enclosure. Your Image Dynamics IDMAX12 V.4 subwoofer is covered by Image Dynamics' 1-year manufacturer warranty when purchased through an authorized ID dealer. Questions on fitment, wiring, or amplifier pairing? \u003ca href=\"\/pages\/contact-us\"\u003eContact us\u003c\/a\u003e — we install this gear ourselves, in our own vehicles, and Audio Intensity's owner has judged IASCA National and MECA World SQ competitions since 2019.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"po-cta\"\u003e\n    \u003ch2\u003eThe IDMAX12 in Its Audiophile Home\u003c\/h2\u003e\n    \u003cp\u003e1.80 cubic feet net — Image Dynamics' Audiophile-tier sealed alignment for the IDMAX12 V.4, delivered exactly. Butterworth-adjacent extension on the D2, warmer lifted character on the D4, both reaching F3 near 36-37 Hz sealed — extension that most 12\" drivers can only produce in ported cabinets. Competition-grade construction, built to order in Tennessee.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Proline X","offers":[{"title":"Default Title","offer_id":44529670553689,"sku":"PO 12-S W IDMAX","price":329.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/PO12-SWIDMAXFront.png?v=1786847828","url":"https:\/\/audiointensity.com\/products\/performance-optimized-wedge-sealed-12-audiophile-enclosure-image-dynamics-idmax12-v-4","provider":"Audio Intensity","version":"1.0","type":"link"}