Quantum Audio QW1000/10S4
10″ subwoofer · 4 Ω
| Source | web.archive.org · manufacturer data |
|---|---|
| Checked against source | October 2026 |
| Thiele/Small parameters | not in the spec sheet: Re — 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, 300 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) | Boomy, with a bump · 1.40 |
|---|---|
| Fc | 49 Hz |
| F3 (−3 dB, no cabin gain) | 36 Hz |
| Example box (outside) | 12 3/16″ × 12 3/16″ × 19 11/16″ |
Ported
deeper, louder| Tuning (Fb) | 35 Hz |
|---|---|
| Port | slot 1 9/16 × 14 5/16″, 37 1/16″ long |
| Port velocity at 300 W | 30 ft/s |
| F3 (−3 dB, no cabin gain) | 34 Hz |
| Example box (outside) | 31 1/2″ × 15 3/4″ × 9 1/8″ |
Deeper: 1.98 ft³ (56 L) tuned to 38 Hz, 31 1/2″ × 15 3/4″ × 10 13/16″ 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 | 4 Ω |
| RMS power | — |
| Fs | 32 Hz |
| Qts | 0.92 |
| Qes | 1.08 |
| Qms | 6.4 |
| Vas | 1.52 ft³ |
| Re | ≈ 3.4 Ω |
|---|---|
| Sd | 50.8 in² |
| Xmax | 0.37″ |
| Vd | 18.8 in³ calc. |
| Mms | 88 g calc. |
| BL | 7.4 T·m calc. |
| EBP | 30 — suits sealed calc. |
| Sensitivity, 1 W / 1 m | 83.2 dB calc. |
Mounting dimensions
| Cutout diameter | 9 1/8″ |
|---|---|
| Mounting depth | 4 15/16″ |
| Overall diameter | 10 7/16″ |
Cone area (Sd) calculated from Fs, Vas and Mms: 50.8 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 QPW3000/10D4 10″ · dual 4 Ω
- Quantum Audio QSW10F 10″ · 4 Ω
- Quantum Audio QW1000/10D4 10″ · dual 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.
- Soundstream PXW-10 1.20 ft³ sealed · 1.09 ft³ ported
- MTX Audio 3510-04 1.20 ft³ sealed · 1.13 ft³ ported
- Bomber Slim High Power 350W 2 Ohm (SW10SLHP-350-8) 1.27 ft³ sealed · 1.02 ft³ ported
- Hertz Dieci DS 25.3 (SVC 4 ohm) 1.27 ft³ sealed · 0.64 ft³ ported
- Bomber B-One 200W 4 Ohm (SW10BONE-200-4) 1.24 ft³ sealed · 1.27 ft³ ported
- JBL Selenium Bass 10SW17A 2+2 1.24 ft³ sealed · 1.17 ft³ ported
FAQ
What box does the Quantum Audio QW1000/10S4 need?
Recommended net volume: 1.17 ft³ sealed, 1.20 ft³ ported tuned to 35 Hz — for one sub in a sedan at 300 W. Fit the box to your space and amp in the free calculator, with plans and a cut sheet.
What are the Quantum Audio QW1000/10S4 Thiele/Small specs?
Fs 32 Hz, Qts 0.92, Vas 1.52 ft³, Xmax 0.37″, Sd 50.8 in².
What is the Quantum Audio QW1000/10S4 mounting depth?
Mounting depth is 4 15/16″, cutout diameter 9 1/8″. The inside depth of the box must exceed the mounting depth by at least 1″.