{"product_id":"soundqubed-hdx3-2-series-15-subwoofer-3-dvc-2-500-watts-rms-d2-d1","title":"Soundqubed HDX3.2 Series 15\" Subwoofer 3\" DVC 2,500 Watts RMS D2\/D1","description":"\u003ch2\u003e\u003cstrong\u003eSoundQubed HDX3.2-15 — 2,500W RMS Competition-Grade 15\" Subwoofer\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eSoundQubed HDX3.2 Series 15\" subwoofer\u003c\/strong\u003e is a high-output, competition-ready car audio subwoofer built for bass enthusiasts who demand ground-shaking low-end authority, massive cone area, and thermal endurance in a 15-inch platform. Rated at \u003cstrong\u003e2,500 watts RMS and 5,000 watts peak\u003c\/strong\u003e, the HDX3.2-15 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 HDX3.2-15 delivers massive linear cone travel across its \u003cstrong\u003e805 cm² cone area (SD)\u003c\/strong\u003e, producing authoritative sub-bass extension down to a \u003cstrong\u003efree-air resonance (Fs) of 29.0 Hz (D2) \/ 29.5 Hz (D1)\u003c\/strong\u003e. With sensitivity ratings of \u003cstrong\u003e87.5–87.8 dB\u003c\/strong\u003e, this woofer is highly efficient and digs deep into the sub-bass frequencies that define hip-hop, EDM, trap, and bass-heavy music.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Choose the SoundQubed HDX3.2-15?\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 (16.8 N\/A D1 \/ 26.3 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 (29.0–29.5 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\u003ePorted Enclosure Optimized:\u003c\/strong\u003e Recommended ported volume 3–6 ft³ — built to breathe and move in a properly tuned vented box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e87.5–87.8 dB Sensitivity:\u003c\/strong\u003e Highly efficient — gets seriously loud without demanding every last watt from your amplifier.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAmplifier \u0026amp; Enclosure Recommendations\u003c\/h2\u003e\n\u003cp\u003eThe HDX3.2-15 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\u003e3–6 ft³ range\u003c\/strong\u003e will maximize SPL output and low-frequency extension. Sealed enclosures are not recommended for this driver — it is optimized for ported loading where its large cone area and long-throw suspension can fully express their potential.\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;\"\u003eHDX3.2-15D1\u003c\/th\u003e\n\u003cth style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003eHDX3.2-15D2\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;\"\u003e15\"\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e15\"\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;\"\u003e29.5 Hz\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e29.0 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;\"\u003e4.87\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e6.63\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;\"\u003e0.47\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e0.44\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;\"\u003e0.42\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e0.41\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;\"\u003e71.5 L\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e73.5 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;\"\u003e0.98 mH\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e3.05 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;\"\u003e0.38%\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e0.36%\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;\"\u003e0.07 mm\/N\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e0.07 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;\"\u003e87.8 dB\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e87.5 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;\"\u003e16.8 N\/A\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e26.3 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;\"\u003e805 cm²\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e805 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;\"\u003eHDX3.2-15D1\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e390 mm \/ 15.4\"\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e350 mm \/ 13.78\"\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;\"\u003e235 mm \/ 9.25\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;\"\u003eHDX3.2-15D2\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e390 mm \/ 15.4\"\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ccc;text-align:center;\"\u003e350 mm \/ 13.78\"\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;\"\u003e235 mm \/ 9.25\"\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;\"\u003eHDX3.2-15 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;\"\u003e1.75–3.75 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;\"\u003e3–6 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 HDX3.2-15?\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 HDX3.2-15 need?\u003c\/strong\u003e\u003cbr\u003eFor \u003cstrong\u003eported\u003c\/strong\u003e, use \u003cstrong\u003e3–6 ft³\u003c\/strong\u003e tuned to approximately 28–34 Hz for maximum SPL and deep bass extension. A sealed box in the \u003cstrong\u003e1.75–3.75 ft³ range\u003c\/strong\u003e works for tighter, more controlled bass.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this subwoofer handle daily use or is it competition-only?\u003c\/strong\u003e\u003cbr\u003eThe HDX3.2-15 is built for both. Its 87.5–87.8 dB sensitivity means it gets loud efficiently on moderate power, 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":46117188632620,"sku":null,"price":559.95,"currency_code":"USD","in_stock":true},{"title":"Dual 2 Ohm","offer_id":46117188665388,"sku":null,"price":559.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0656\/8964\/9196\/files\/SoundqubedHDs3.215inSubwooferTrinityCarAudio2.png?v=1789003838","url":"https:\/\/www.4staraudio.com\/products\/soundqubed-hdx3-2-series-15-subwoofer-3-dvc-2-500-watts-rms-d2-d1","provider":"4StarAudio","version":"1.0","type":"link"}