Soundqubed HDS2.3 Series 12" Subwoofer 2.5" DVC 800 Watts RMS D2/D4
Soundqubed HDS2.3 Series 12" Subwoofer 2.5" DVC 800 Watts RMS D2/D4 - Dual 2 Ohm is backordered and will ship as soon as it is back in stock.
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Soundqubed HDS2.3 Series 12" Subwoofer 2.5" DVC 800 Watts...
Description
Description
SoundQubed HDS2.3-12 — 12" Subwoofer | 800W RMS | Dual 2 or Dual 4 Ohm
The SoundQubed HDS2.3-12 is a full-size, high-output 12" subwoofer built for enthusiasts who demand deep, authoritative bass without compromise. Rated at 800W RMS / 1,600W Peak, 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.
Under the cone, SoundQubed engineered a 100 oz magnet paired with a 2.5" dual voice coil 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 14mm Xmax (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 Dual 2 Ohm and Dual 4 Ohm configurations, the HDS2.3-12 wires to 1Ω, 2Ω, or 4Ω to match virtually any mono amplifier on the market.
The HDS2.3-12 thrives in sealed enclosures from 0.75–1.5 ft³ for tight, accurate bass with excellent transient response, or ported boxes from 1.0–1.75 ft³ 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.
Why Choose the SoundQubed HDS2.3-12?
- 800W RMS / 1,600W Peak Power Handling — Serious output for daily SQL and moderate competition builds, with headroom to spare.
- 100 oz Magnet Structure — Oversized motor delivers strong BL force, tight transient response, and precise cone control at high excursion levels.
- 2.5" Dual Voice Coil (40mm Wind) — Industry-leading coil length for a 12" driver, maximizing heat dissipation and long-term reliability under sustained power.
- 14mm Xmax / 26mm Xmech — Deep linear excursion for clean, distortion-free bass at high output levels.
- Ultra-Low Fs: 27 Hz (D2) — Resonant frequency deep enough to reproduce true infrasonic content — you’ll feel it before you hear it.
- D2 or D4 Impedance Options — Wire to 1Ω, 2Ω, or 4Ω to match your amplifier’s optimal stable load.
- 530 cm² Cone Area (SD) — Massive piston area moves serious air for deep, room-filling sub-bass output.
- SoundQubed HDS2.3 Series Build Quality — Competition-grade materials and engineering at a daily-driver price point, built to last.
Amplifier & Enclosure Recommendations
Amplifier Pairing: The HDS2.3-12 is rated at 800W RMS, so target a mono amplifier delivering 500W–1,000W RMS at your chosen final impedance. The Dual 2 Ohm variant wires to 1Ω (parallel) or 4Ω (series). The Dual 4 Ohm variant wires to 2Ω (parallel) or 8Ω (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.
Enclosure: For sealed installs, target 0.75–1.5 ft³ 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 ported builds, use 1.0–1.75 ft³ 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.
Full Specifications — T/S Parameters
| Parameter | HDS2.3-12D2 | HDS2.3-12D4 |
|---|---|---|
| Woofer Size | 12" | 12" |
| RMS Power | 800W | 800W |
| Peak Power | 1,600W | 1,600W |
| Magnet Weight | 100 oz | 100 oz |
| Coil Diameter | 2.5 in | 2.5 in |
| Coil Length | 40 mm | 40 mm |
| Fs | 27 Hz | 31.6 Hz |
| Impedance | 2+2 Ohm | 4+4 Ohm |
| QMS | 5.95 | 5.91 |
| QES | 0.72 | 0.81 |
| QTS | 0.63 | 0.71 |
| VAS | 43.1 L | 43.5 L |
| Le | 2.30 mH | 3.13 mH |
| η₀ (No) | 0.12% | 0.16% |
| CMS | 0.11 mm/N | 0.12 mm/N |
| Sensitivity (1W/1m) | 82.6 dB | 84.1 dB |
| BL | 16.9 N/A | 18 N/A |
| Xmax (±) | 14 mm | 14 mm |
| Xmech (±) | 26 mm | 26 mm |
| SD | 530 cm² | 530 cm² |
Mounting Dimensions
| Model | A | B | C | D |
|---|---|---|---|---|
| HDS2.3-12D2 | 325 mm / 12.8" | 290 mm / 11.42" | 162 mm / 6.38" | 192 mm / 7.56" |
| HDS2.3-12D4 | 325 mm / 12.8" | 290 mm / 11.42" | 162 mm / 6.38" | 192 mm / 7.56" |
Enclosure Suggestions
| Enclosure Type | HDS2.3-12D2 | HDS2.3-12D4 |
|---|---|---|
| Sealed Enclosure | 0.75–1.5 ft³ | 0.75–1.5 ft³ |
| Ported Enclosure | 1.0–1.75 ft³ | 1.0–1.75 ft³ |
Frequently Asked Questions
Q: What amplifier should I pair with the HDS2.3-12?
A: Target a mono amplifier rated at 500W–1,000W RMS 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.
Q: What's the difference between the D2 and D4 versions?
A: Both handle the same power and share identical physical specs. The D2 (Dual 2 Ohm) wires to 1Ω or 4Ω; the D4 (Dual 4 Ohm) 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.
Q: What box size does the HDS2.3-12 need?
A: Sealed: 0.75–1.5 ft³ for tight, accurate bass. Ported: 1.0–1.75 ft³ 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.
Q: Is this sub good for daily use or competition?
A: The HDS2.3-12 excels as a daily SQL driver 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.
