Quantum Audio QPW3000/10D4
10″ subwoofer · dual 4 Ω · 750 W RMS
| Source | dbdrive.net · manufacturer data |
|---|---|
| Checked against source | October 2026 |
| Thiele/Small parameters | not in the spec sheet: Xmax — typical value for the size used |
| Mounting dimensions | 3 of 4 — missing: magnet diameter; the designer will use an estimate |
Recommended box
For a sedan, one sub, 750 W. It’s the same math as the designer’s step-by-step mode, where you can fit the box to your space, vehicle and amp and get plans, a cut sheet and DXF.
Sealed
smaller, tighter| Bass character (Qtc) | Tight and punchy · 0.80 |
|---|---|
| Fc | 48 Hz |
| F3 (−3 dB, no cabin gain) | 45 Hz |
| Example box (outside) | 12 3/16″ × 12 3/16″ × 11 1/4″ |
Ported
deeper, louder| Tuning (Fb) | 40 Hz |
|---|---|
| Port | 2 round ports Ø2 1/2″, 17 13/16″ long |
| Port velocity at 750 W | 139 ft/s |
| F3 (−3 dB, no cabin gain) | 35 Hz |
| Example box (outside) | 19 7/16″ × 15 3/4″ × 8 7/16″ |
At 750 W this example’s port will be noisy: air speed 139 ft/s, while the limit is 82 ft/s. It stays quiet up to about 250 W. Full power needs a port of at least 17 in², which means a bigger box than this example — size it in the designer.
Open ported box in designerDeeper: 1.84 ft³ (52 L) tuned to 27 Hz, 31 1/2″ × 15 3/4″ × 12 11/16″ outside — a bigger box with flatter deep bass. Open in the calculator
Projects with this subwoofer
Boxes that users designed and published: plans, cut sheet and response graph.
Thiele/Small parameters
| Size | 10″ |
|---|---|
| Voice coils | dual 4 Ω |
| RMS power | 750 W |
| Fs | 32.7 Hz |
| Qts | 0.54 |
| Qes | 0.612 |
| Qms | 4.8 |
| Vas | 0.71 ft³ |
| Re (one coil) | 4 Ω |
|---|---|
| Sd | 53.5 in² |
| Xmax | ≈ 0.39″ |
| Mms | 200 g calc. |
| BL | 16.4 T·m calc. |
| EBP | 53 — sealed or ported calc. |
| Sensitivity, 1 W / 1 m | 82.6 dB calc. |
Mounting dimensions
| Cutout diameter | 8 15/16″ |
|---|---|
| Mounting depth | 5 7/8″ |
| Overall diameter | 10 11/16″ |
Cone area (Sd) calculated from Fs, Vas and Mms: 53.5 in².
“≈” means the value isn’t in the spec sheet and a typical value for the size is used; “calc.” means it’s calculated from the published parameters. Check the manufacturer’s spec sheet before you build.
Data sources
Other Quantum Audio 10″ models
- Quantum Audio Q2000/10D 10″ · dual 4 Ω
- Quantum Audio QFW10D4 10″ · dual 4 Ω
- Quantum Audio QSW10F 10″ · 4 Ω
- Quantum Audio QW1000/10D4 10″ · dual 4 Ω
- Quantum Audio QW1000/10S4 10″ · 4 Ω
- Quantum Audio QWX2000/10D4 10″ · dual 4 Ω
- Quantum Audio QWX4000/10D4 10″ · dual 4 Ω
Similar 10″ subwoofers from other brands
Close in Fs, Qts and Vas — a box of similar volume will suit them.
- Alpine SWR-T10 (Type-R thin) 0.57 ft³ sealed · 0.85 ft³ ported
- NVX VCW104v3 0.64 ft³ sealed · 0.92 ft³ ported
- Alpine SWR-1042D (Type-R) 0.57 ft³ sealed · 0.81 ft³ ported
- Alpine R-W10D4 0.64 ft³ sealed · 0.81 ft³ ported
- DL Audio Raven 10 (2+2) 0.71 ft³ sealed · 0.85 ft³ ported
- Alpine SWR-10D4 (Type-R) 0.57 ft³ sealed · 0.81 ft³ ported
FAQ
What box does the Quantum Audio QPW3000/10D4 need?
Recommended net volume: 0.60 ft³ sealed, 0.85 ft³ ported tuned to 40 Hz — for one sub in a sedan at 750 W. Fit the box to your space and amp in the free calculator, with plans and a cut sheet.
What are the Quantum Audio QPW3000/10D4 Thiele/Small specs?
Fs 32.7 Hz, Qts 0.54, Vas 0.71 ft³, Sd 53.5 in².
What is the Quantum Audio QPW3000/10D4 mounting depth?
Mounting depth is 5 7/8″, cutout diameter 8 15/16″. The inside depth of the box must exceed the mounting depth by at least 1″.
How much power does the Quantum Audio QPW3000/10D4 handle and how do I wire it?
RMS power rating: 750 W. Dual 4 Ω voice coils: series gives 8 Ω, parallel gives 2 Ω at the amp. Wiring for several subs and amp power — in the wiring calculator.