Soundqubed HDS2.3 Series 12" Subwoofer 2.5" DVC 800 Watts RMS D2/D4
Key features
- Subwoofer size: 12.0 inches
- RMS power per subwoofer: 800 W
- Voice-coil options: D2, D4
- Mounting depth: 7.56 in / 192 mm
- Mounting cutout diameter: 11.42 in / 290 mm
- Linear excursion (Xmax): ±14 mm
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.
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.
Description
Description
Product Overview
Get a 12-inch subwoofer built for high-output car audio with the SoundQubed HDS2.3-12. It handles 800W RMS and comes in dual 2-ohm or dual 4-ohm versions, so you can choose the coil configuration that matches your amplifier.
Key Features & Benefits
- 800W RMS power handling: Pair it with a suitably rated mono amplifier for daily listening or a moderate competition build.
- 2.5-inch dual voice coil: Choose D2 or D4 to suit the final impedance your amplifier supports.
- 14mm Xmax: The stated linear excursion supports substantial cone movement.
- 100 oz magnet: The motor uses a 100 oz magnet structure.
- 530 cm² cone area: The large cone area moves air for low-frequency playback.
- Two enclosure options: Choose the listed sealed or ported volume range to suit your installation plan.
Technical Specifications
| 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 |
| 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 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 |
Why Choose This Product?
The HDS2.3-12 gives you a choice between two dual-voice-coil impedances and two enclosure styles. The D2 version has a listed Fs of 27 Hz; the D4 version is listed at 31.6 Hz. Compare these details with your amplifier and enclosure plans when selecting a version.
The source recommends ported enclosures tuned to 30–40 Hz for output and low-frequency extension. Its sealed enclosure range is presented for a tighter bass response.
Installation & Compatibility Notes
The recommended amplifier range is 500W–1,000W RMS at the final impedance. The D2 coils wire to 1Ω in parallel or 4Ω in series. The D4 coils wire to 2Ω in parallel or 8Ω in series. Confirm that your mono amplifier supports the resulting load.
Plan for a sealed enclosure of 0.75–1.5 ft³ or a ported enclosure of 1.0–1.75 ft³. For a ported build, the source recommends tuning from 30–40 Hz. Check the listed mounting dimensions against your installation before building the enclosure.
Frequently Asked Questions
What amplifier power is recommended?
The listed recommendation is a mono amplifier rated at 500W–1,000W RMS at the final impedance. Match the amplifier’s stable load rating to the wiring option for your D2 or D4 version.
How do the D2 and D4 versions differ?
Both versions are rated at 800W RMS and share the listed physical dimensions. The D2 wires to 1Ω or 4Ω; the D4 wires to 2Ω or 8Ω. Their listed Fs values are 27 Hz and 31.6 Hz, respectively.
What enclosure volume should I plan for?
Use 0.75–1.5 ft³ for a sealed enclosure or 1.0–1.75 ft³ for a ported enclosure. The source recommends 30–40 Hz tuning for a ported build.
Is the HDS2.3-12 intended for daily listening or competition use?
The product information describes it for daily SQL systems and moderate competition builds.
Explore More
Shop SoundQubed products at 12 Volt Outlet. Want to learn more about SoundQubed? Explore our SoundQubed brand profile.
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Suggestions use 75–125% of the subwoofer’s RMS rating at the wiring load shown. Check wiring, enclosure needs, electrical capacity and installation space. Set gain and filters correctly to avoid overpowering the subwoofer. Buying more than one subwoofer changes the match.
