{"product_id":"soundqubed-hdx3-2-series-12-subwoofer-3-dvc-2-500-watts-rms-d2-d1","title":"Soundqubed HDX3.2 Series 12\" Subwoofer 3\" DVC 2,500 Watts RMS D2\/D1","description":"\u003ch2\u003e\u003cstrong\u003eSoundQubed HDX3.2-12 — 2,500W RMS Competition-Grade 12\" Subwoofer\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eSoundQubed HDX3.2 Series 12\" subwoofer\u003c\/strong\u003e is a high-output, competition-ready car audio subwoofer built for enthusiasts who demand deep sub-bass, massive excursion, and thermal endurance. Rated at \u003cstrong\u003e2,500 watts RMS and 5,000 watts peak\u003c\/strong\u003e, the HDX3.2-12 is powered by a \u003cstrong\u003e300 oz magnet\u003c\/strong\u003e, a \u003cstrong\u003e3-inch diameter voice coil\u003c\/strong\u003e with a 50mm coil length, and a motor assembly engineered for extreme linear excursion. Available in \u003cstrong\u003eDual 1 Ohm (D1)\u003c\/strong\u003e and \u003cstrong\u003eDual 2 Ohm (D2)\u003c\/strong\u003e configurations, this sub wires cleanly into virtually any high-power mono block amplifier setup — whether you're building a daily SQL system or a full-tilt SPL competition build.\u003c\/p\u003e\n\n\u003cp\u003eWith an \u003cstrong\u003eXmax of 15mm (±)\u003c\/strong\u003e and \u003cstrong\u003eXmech of 35mm (±)\u003c\/strong\u003e, the HDX3.2-12 delivers massive linear cone travel, producing authoritative sub-bass extension down to a \u003cstrong\u003efree-air resonance (Fs) of 28.4 Hz (D2) \/ 28.8 Hz (D1)\u003c\/strong\u003e. The \u003cstrong\u003e530 cm² cone area (SD)\u003c\/strong\u003e and optimized Thiele-Small parameters make this woofer equally at home in a sealed enclosure for tight, accurate bass or a ported box for maximum SPL output.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Choose the SoundQubed HDX3.2-12?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2,500W RMS \/ 5,000W Peak Power:\u003c\/strong\u003e Handles extreme amplifier output without flinching — built for high-power mono block amplifiers in daily and competition installs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e300 oz Magnet Assembly:\u003c\/strong\u003e Massive motor force delivers exceptional BL (17.4 N\/A D1 \/ 25.6 N\/A D2) for precise, controlled cone movement at high excursion levels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3\" Voice Coil, 50mm Coil Length:\u003c\/strong\u003e Extended coil length maximizes gap interaction for superior thermal management and sustained high-power performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e15mm Xmax \/ 35mm Xmech:\u003c\/strong\u003e Exceptional linear and mechanical excursion — deep, authoritative bass without bottoming out.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual 1 Ohm \u0026amp; Dual 2 Ohm Available:\u003c\/strong\u003e Wire D1 to 0.5Ω or 2Ω, wire D2 to 1Ω or 4Ω — maximum flexibility for any amplifier's stable impedance load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Fs (28.4–28.8 Hz):\u003c\/strong\u003e Tuned for deep infrasonic bass reproduction — ideal for ported enclosures targeting 28–34 Hz tuning frequencies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSealed or Ported Compatible:\u003c\/strong\u003e Recommended sealed volume 1.25–2.0 ft³ and ported 1.75–2.75 ft³ — versatile enough for any build style.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e84.1–84.3 dB Sensitivity:\u003c\/strong\u003e Efficient enough to get loud on moderate amplifier power while scaling up cleanly with high-wattage amps.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAmplifier \u0026amp; Enclosure Recommendations\u003c\/h2\u003e\n\u003cp\u003eThe HDX3.2-12 is designed to be paired with a high-output \u003cstrong\u003emono block amplifier\u003c\/strong\u003e capable of delivering 2,500W RMS or more at the wired impedance load. For the \u003cstrong\u003eD1 (Dual 1 Ohm)\u003c\/strong\u003e variant, wire the coils in parallel for a \u003cstrong\u003e0.5Ω final load\u003c\/strong\u003e or in series for \u003cstrong\u003e2Ω\u003c\/strong\u003e. For the \u003cstrong\u003eD2 (Dual 2 Ohm)\u003c\/strong\u003e variant, wire in parallel for \u003cstrong\u003e1Ω\u003c\/strong\u003e or in series for \u003cstrong\u003e4Ω\u003c\/strong\u003e. Most high-power Class D mono amps are stable at 1Ω, making the D2 the most common choice for single-sub builds.\u003c\/p\u003e\n\u003cp\u003eFor enclosures, a \u003cstrong\u003eported box tuned to 28–34 Hz\u003c\/strong\u003e in the \u003cstrong\u003e1.75–2.75 ft³ range\u003c\/strong\u003e will maximize SPL output and low-frequency extension. For tighter, more accurate SQL bass, a \u003cstrong\u003esealed box in the 1.25–2.0 ft³ range\u003c\/strong\u003e provides excellent transient response and cone control.\u003c\/p\u003e\n\n\u003ch2\u003eElectro Acoustic Specifications \u0026amp; Thiele Small Parameters\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color:#222;color:#fff;\"\u003e\n\u003cth style=\"padding:8px;border:1px solid #ccc;text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003eHDX3.2-12D1\u003c\/th\u003e\n\u003cth style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003eHDX3.2-12D2\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;\"\u003eWoofer Size\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e12\"\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e12\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;\"\u003eRMS Power\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e2,500 W\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e2,500 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;\"\u003ePeak Power\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e5,000 W\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e5,000 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;\"\u003eMagnet Weight\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e300 oz\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e300 oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;\"\u003eCoil Diameter\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e3 in\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e3 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;\"\u003eCoil Length\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e50 mm\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;\"\u003eFs\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e28.8 Hz\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e28.4 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;\"\u003eImpedance\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e1+1 Ohm\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e2+2 Ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;\"\u003eQMS\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e4.73\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e6.44\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;\"\u003eQES\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e0.42\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e0.39\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;\"\u003eQTS\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e0.39\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e0.37\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;\"\u003eVAS\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e31.1 L\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e33.4 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;\"\u003eLe\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e1.05 mH\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e2.95 mH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;\"\u003eη (No)\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e0.17%\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e0.46%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;\"\u003eCMS\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e0.08 mm\/N\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e0.08 mm\/N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;\"\u003eSensitivity (1W\/1M)\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e84.3 dB\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e84.1 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;\"\u003eBL\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e17.4 N\/A\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e25.6 N\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;\"\u003eXmax (±)\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e15 mm\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e15 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;\"\u003eXmech (±)\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e35 mm\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e35 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;\"\u003eSD\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e530 cm²\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e530 cm²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eMounting Dimensions\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color:#222;color:#fff;\"\u003e\n\u003cth style=\"padding:8px;border:1px solid #ccc;text-align:left;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003eA\u003c\/th\u003e\n\u003cth style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003eB\u003c\/th\u003e\n\u003cth style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003eC\u003c\/th\u003e\n\u003cth style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003eD\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;\"\u003eHDX3.2-12D1\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e325 mm \/ 12.8\"\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e290 mm \/ 11.42\"\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e228 mm \/ 8.98\"\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e225 mm \/ 8.86\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;\"\u003eHDX3.2-12D2\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e325 mm \/ 12.8\"\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e290 mm \/ 11.42\"\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e228 mm \/ 8.98\"\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e225 mm \/ 8.86\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEnclosure Suggestions\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color:#222;color:#fff;\"\u003e\n\u003cth style=\"padding:8px;border:1px solid #ccc;text-align:left;\"\u003eEnclosure Type\u003c\/th\u003e\n\u003cth style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003eHDX3.2-12 D1\/D2\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;\"\u003eSealed Enclosure\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e1.25–2.0 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;\"\u003ePorted Enclosure\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e1.75–2.75 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat amplifier do I need for the SoundQubed HDX3.2-12?\u003c\/strong\u003e\u003cbr\u003eYou need a mono block amplifier rated at \u003cstrong\u003e2,500W RMS or more\u003c\/strong\u003e at your wired impedance. The D2 wired to 1Ω or the D1 wired to 2Ω are the most common pairings. Look for a high-current Class D mono amp stable at 1Ω for best results.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShould I choose the D1 or D2 version?\u003c\/strong\u003e\u003cbr\u003eChoose \u003cstrong\u003eD2 (Dual 2 Ohm)\u003c\/strong\u003e if your amplifier is stable at 1Ω (parallel) or 4Ω (series) — this is the most common configuration. Choose \u003cstrong\u003eD1 (Dual 1 Ohm)\u003c\/strong\u003e if your amp is stable at 0.5Ω (parallel) or you need a 2Ω final load (series).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat size box does the HDX3.2-12 need?\u003c\/strong\u003e\u003cbr\u003eFor \u003cstrong\u003esealed\u003c\/strong\u003e, use \u003cstrong\u003e1.25–2.0 ft³\u003c\/strong\u003e for tight, accurate bass. For \u003cstrong\u003eported\u003c\/strong\u003e, use \u003cstrong\u003e1.75–2.75 ft³\u003c\/strong\u003e tuned to approximately 28–34 Hz for maximum SPL and deep bass extension.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this subwoofer handle daily use or is it competition-only?\u003c\/strong\u003e\u003cbr\u003eThe HDX3.2-12 is built for both. Its thermal management and linear excursion capability make it a strong daily driver at moderate power levels, while its 2,500W RMS rating and 300 oz motor make it equally capable in SPL and SQL competition builds.\u003c\/p\u003e","brand":"SoundQubed","offers":[{"title":"Dual 1 Ohm","offer_id":46117188698156,"sku":null,"price":519.95,"currency_code":"USD","in_stock":true},{"title":"Dual 2 Ohm","offer_id":46117188730924,"sku":null,"price":519.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0656\/8964\/9196\/files\/SoundqubedHDs3.212inSubwooferTrinityCarAudio2_67100ce8-9be7-4708-a2fd-94a1a137406a.png?v=1789003840","url":"https:\/\/www.4staraudio.com\/products\/soundqubed-hdx3-2-series-12-subwoofer-3-dvc-2-500-watts-rms-d2-d1","provider":"4StarAudio","version":"1.0","type":"link"}