{"product_id":"soundqubed-hds2-3-series-12-subwoofer-2-5-dvc-800-watts-rms-d2-d4","title":"Soundqubed HDS2.3 Series 12\" Subwoofer 2.5\" DVC 800 Watts RMS D2\/D4","description":"\u003ch2\u003e\n\u003cstrong\u003eSoundQubed HDS2.3-12\u003c\/strong\u003e — 12\" Subwoofer | 800W RMS | Dual 2 or Dual 4 Ohm\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eSoundQubed HDS2.3-12\u003c\/strong\u003e is a full-size, high-output 12\" subwoofer built for enthusiasts who demand deep, authoritative bass without compromise. Rated at \u003cstrong\u003e800W RMS \/ 1,600W Peak\u003c\/strong\u003e, this driver delivers skull-rattling low-end extension with a resonant frequency as low as 27 Hz (D2) — pushing into true infrasonic territory that you feel as much as you hear. With sensitivity of 82.6 dB (D2) \/ 84.1 dB (D4), the HDS2.3-12 is efficient, powerful, and built to perform day in and day out in daily SQL and moderate competition builds alike.\u003c\/p\u003e\n\n\u003cp\u003eUnder the cone, SoundQubed engineered a \u003cstrong\u003e100 oz magnet\u003c\/strong\u003e paired with a \u003cstrong\u003e2.5\" dual voice coil\u003c\/strong\u003e wound to an impressive 40mm — one of the longest coil winds in its class, delivering exceptional thermal management and sustained power handling under real-world conditions. The \u003cstrong\u003e14mm Xmax\u003c\/strong\u003e (26mm Xmech) provides deep linear excursion, while the massive 530 cm² cone area (SD) moves serious air for ground-shaking sub-bass output. Available in \u003cstrong\u003eDual 2 Ohm\u003c\/strong\u003e and \u003cstrong\u003eDual 4 Ohm\u003c\/strong\u003e configurations, the HDS2.3-12 wires to 1Ω, 2Ω, or 4Ω to match virtually any mono amplifier on the market.\u003c\/p\u003e\n\n\u003cp\u003eThe HDS2.3-12 thrives in sealed enclosures from \u003cstrong\u003e0.75–1.5 ft³\u003c\/strong\u003e for tight, accurate bass with excellent transient response, or ported boxes from \u003cstrong\u003e1.0–1.75 ft³\u003c\/strong\u003e for maximum output and deep low-frequency extension. Whether you're building a daily driver system, a dedicated SQL build, or a moderate competition setup, the HDS2.3-12 delivers premium performance at a price point that makes sense. Pair it with a 500W–1,000W RMS mono amplifier for best results.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Choose the SoundQubed HDS2.3-12?\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e800W RMS \/ 1,600W Peak Power Handling\u003c\/strong\u003e — Serious output for daily SQL and moderate competition builds, with headroom to spare.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e100 oz Magnet Structure\u003c\/strong\u003e — Oversized motor delivers strong BL force, tight transient response, and precise cone control at high excursion levels.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2.5\" Dual Voice Coil (40mm Wind)\u003c\/strong\u003e — Industry-leading coil length for a 12\" driver, maximizing heat dissipation and long-term reliability under sustained power.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e14mm Xmax \/ 26mm Xmech\u003c\/strong\u003e — Deep linear excursion for clean, distortion-free bass at high output levels.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Low Fs: 27 Hz (D2)\u003c\/strong\u003e — Resonant frequency deep enough to reproduce true infrasonic content — you’ll feel it before you hear it.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD2 or D4 Impedance Options\u003c\/strong\u003e — Wire to 1Ω, 2Ω, or 4Ω to match your amplifier’s optimal stable load.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e530 cm² Cone Area (SD)\u003c\/strong\u003e — Massive piston area moves serious air for deep, room-filling sub-bass output.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSoundQubed HDS2.3 Series Build Quality\u003c\/strong\u003e — Competition-grade materials and engineering at a daily-driver price point, built to last.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAmplifier \u0026amp; Enclosure Recommendations\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eAmplifier Pairing:\u003c\/strong\u003e The HDS2.3-12 is rated at 800W RMS, so target a mono amplifier delivering \u003cstrong\u003e500W–1,000W RMS\u003c\/strong\u003e at your chosen final impedance. The \u003cstrong\u003eDual 2 Ohm\u003c\/strong\u003e variant wires to \u003cstrong\u003e1Ω\u003c\/strong\u003e (parallel) or \u003cstrong\u003e4Ω\u003c\/strong\u003e (series). The \u003cstrong\u003eDual 4 Ohm\u003c\/strong\u003e variant wires to \u003cstrong\u003e2Ω\u003c\/strong\u003e (parallel) or \u003cstrong\u003e8Ω\u003c\/strong\u003e (series). For most daily builds, wiring the D2 to 2Ω or the D4 to 2Ω gives you the best balance of power and amplifier stability. A quality 800W RMS mono block at 2Ω is the sweet spot for this driver.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eEnclosure:\u003c\/strong\u003e For \u003cstrong\u003esealed\u003c\/strong\u003e installs, target \u003cstrong\u003e0.75–1.5 ft³\u003c\/strong\u003e net internal volume for tight, accurate bass with excellent transient response — ideal for rock, country, and acoustic genres where punch and definition matter most. For \u003cstrong\u003eported\u003c\/strong\u003e builds, use \u003cstrong\u003e1.0–1.75 ft³\u003c\/strong\u003e net with a port tuned to 30–40 Hz for maximum output and deep low-frequency extension — the go-to choice for hip-hop, EDM, and bass-heavy content. The HDS2.3-12 rewards a well-built ported enclosure with exceptional output and extension that will turn heads.\u003c\/p\u003e\n\n\u003ch2\u003eFull Specifications — T\/S 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\u003e\n      \u003cth style=\"background-color:#222;color:#fff;padding:8px;text-align:left;\"\u003eParameter\u003c\/th\u003e\n      \u003cth style=\"background-color:#222;color:#fff;padding:8px;text-align:center;\"\u003eHDS2.3-12D2\u003c\/th\u003e\n      \u003cth style=\"background-color:#222;color:#fff;padding:8px;text-align:center;\"\u003eHDS2.3-12D4\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eWoofer Size\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e12\"\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e12\"\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003eRMS Power\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e800W\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e800W\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003ePeak Power\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e1,600W\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e1,600W\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003eMagnet Weight\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e100 oz\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e100 oz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eCoil Diameter\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e2.5 in\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e2.5 in\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003eCoil Length\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e40 mm\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e40 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eFs\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e27 Hz\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e31.6 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003eImpedance\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e2+2 Ohm\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e4+4 Ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eQMS\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e5.95\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e5.91\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003eQES\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e0.72\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e0.81\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eQTS\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e0.63\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e0.71\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003eVAS\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e43.1 L\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e43.5 L\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eLe\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e2.30 mH\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e3.13 mH\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003eη₀ (No)\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e0.12%\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e0.16%\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eCMS\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e0.11 mm\/N\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e0.12 mm\/N\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003eSensitivity (1W\/1m)\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e82.6 dB\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e84.1 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eBL\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e16.9 N\/A\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e18 N\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003eXmax (±)\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e14 mm\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e14 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eXmech (±)\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e26 mm\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e26 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003eSD\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e530 cm²\u003c\/td\u003e\n\u003ctd style=\"padding:8px;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\u003e\n      \u003cth style=\"background-color:#222;color:#fff;padding:8px;text-align:left;\"\u003eModel\u003c\/th\u003e\n      \u003cth style=\"background-color:#222;color:#fff;padding:8px;text-align:center;\"\u003eA\u003c\/th\u003e\n      \u003cth style=\"background-color:#222;color:#fff;padding:8px;text-align:center;\"\u003eB\u003c\/th\u003e\n      \u003cth style=\"background-color:#222;color:#fff;padding:8px;text-align:center;\"\u003eC\u003c\/th\u003e\n      \u003cth style=\"background-color:#222;color:#fff;padding:8px;text-align:center;\"\u003eD\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eHDS2.3-12D2\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e325 mm \/ 12.8\"\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e290 mm \/ 11.42\"\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e162 mm \/ 6.38\"\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e192 mm \/ 7.56\"\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003eHDS2.3-12D4\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e325 mm \/ 12.8\"\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e290 mm \/ 11.42\"\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e162 mm \/ 6.38\"\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e192 mm \/ 7.56\"\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\u003e\n      \u003cth style=\"background-color:#222;color:#fff;padding:8px;text-align:left;\"\u003eEnclosure Type\u003c\/th\u003e\n      \u003cth style=\"background-color:#222;color:#fff;padding:8px;text-align:center;\"\u003eHDS2.3-12D2\u003c\/th\u003e\n      \u003cth style=\"background-color:#222;color:#fff;padding:8px;text-align:center;\"\u003eHDS2.3-12D4\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eSealed Enclosure\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e0.75–1.5 ft³\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e0.75–1.5 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003ePorted Enclosure\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e1.0–1.75 ft³\u003c\/td\u003e\n\u003ctd style=\"padding:8px;text-align:center;\"\u003e1.0–1.75 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\n\u003cp\u003e\u003cstrong\u003eQ: What amplifier should I pair with the HDS2.3-12?\u003c\/strong\u003e\u003cbr\u003e\nA: Target a mono amplifier rated at \u003cstrong\u003e500W–1,000W RMS\u003c\/strong\u003e at your final impedance. Wire the D2 to 1Ω or 4Ω, or the D4 to 2Ω or 8Ω. A quality 800W RMS mono block at 2Ω is the sweet spot for most daily and SQL builds.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What's the difference between the D2 and D4 versions?\u003c\/strong\u003e\u003cbr\u003e\nA: Both handle the same power and share identical physical specs. The \u003cstrong\u003eD2 (Dual 2 Ohm)\u003c\/strong\u003e wires to 1Ω or 4Ω; the \u003cstrong\u003eD4 (Dual 4 Ohm)\u003c\/strong\u003e wires to 2Ω or 8Ω. Choose based on your amplifier’s stable impedance rating. Note the D2 also has a notably lower Fs (27 Hz vs 31.6 Hz) for deeper infrasonic extension.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What box size does the HDS2.3-12 need?\u003c\/strong\u003e\u003cbr\u003e\nA: Sealed: \u003cstrong\u003e0.75–1.5 ft³\u003c\/strong\u003e for tight, accurate bass. Ported: \u003cstrong\u003e1.0–1.75 ft³\u003c\/strong\u003e tuned to 30–40 Hz for maximum output and deep extension. A well-built ported box will unlock the full potential of this driver’s low Fs and large SD.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is this sub good for daily use or competition?\u003c\/strong\u003e\u003cbr\u003e\nA: The HDS2.3-12 excels as a \u003cstrong\u003edaily SQL driver\u003c\/strong\u003e and handles moderate competition duty with ease. Its 27 Hz Fs (D2), 14mm Xmax, and 40mm coil wind make it one of the most capable 12\" drivers in its price range for both everyday listening and show-level builds.\u003c\/p\u003e","brand":"SoundQubed","offers":[{"title":"Dual 2 Ohm","offer_id":46117189419052,"sku":null,"price":269.95,"currency_code":"USD","in_stock":true},{"title":"Dual 4 Ohm","offer_id":46117189451820,"sku":null,"price":269.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0656\/8964\/9196\/files\/Soundqubed_HDS2.3_12_in_subwoofer_front.png?v=1789003851","url":"https:\/\/www.4staraudio.com\/products\/soundqubed-hds2-3-series-12-subwoofer-2-5-dvc-800-watts-rms-d2-d4","provider":"4StarAudio","version":"1.0","type":"link"}