Quantum Audio Q2000/10D
10″ subwoofer · dual 4 Ω
| Source | web.archive.org · manufacturer data |
|---|---|
| Checked against source | October 2026 |
| Thiele/Small parameters | complete |
| 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) | Tight and punchy · 0.80 |
|---|---|
| Fc | 60 Hz |
| F3 (−3 dB, no cabin gain) | 56 Hz |
| Example box (outside) | 12 3/16″ × 12 3/16″ × 17 9/16″ |
Ported
deeper, louder| Tuning (Fb) | 42 Hz |
|---|---|
| Port | 2 round ports Ø2 1/2″, 16 3/4″ long |
| Port velocity at 300 W | 82 ft/s |
| F3 (−3 dB, no cabin gain) | 40 Hz |
| Example box (outside) | 19 11/16″ × 15 3/4″ × 8 1/16″ |
Deeper: 1.98 ft³ (56 L) tuned to 36 Hz, 31 1/2″ × 15 3/4″ × 11″ 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 | — |
| Fs | 47.8 Hz |
| Qts | 0.64 |
| Qes | 0.72 |
| Qms | 5.61 |
| Vas | 0.59 ft³ |
| Re (one coil) | 3.2 Ω |
|---|---|
| Sd | 50.8 in² |
| Xmax | 0.44″ |
| Vd | 22.4 in³ calc. |
| Mms | 101 g calc. |
| BL | 11.6 T·m calc. |
| EBP | 66 — sealed or ported calc. |
| Sensitivity, 1 W / 1 m | 86.1 dB calc. |
Mounting dimensions
| Cutout diameter | 9 1/8″ |
|---|---|
| Mounting depth | 5 5/8″ |
| 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
- web.archive.org/web/20150912142135/http://www.quantumaudio.net/wp-content/upload
- web.archive.org/web/20130525093241/http://www.quantumaudio.net/manuals/Quantum%2
Other Quantum Audio 10″ models
- 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 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.
- Ground Zero GZUW 10SQX (2x2 Ohm) 0.74 ft³ sealed · 0.85 ft³ ported
- CT Sounds TROPO-10 D4 0.85 ft³ sealed · 1.02 ft³ ported
- DD Audio 3510i D2 0.71 ft³ sealed · 0.85 ft³ ported
- Prology PS-10 Poseidon 0.74 ft³ sealed · 0.81 ft³ ported
- Lanzar OPTI1032D 0.99 ft³ sealed · 0.85 ft³ ported
- American Bass HAWKSLIM-1044 0.78 ft³ sealed · 0.81 ft³ ported
FAQ
What box does the Quantum Audio Q2000/10D need?
Recommended net volume: 1.02 ft³ sealed, 0.81 ft³ ported tuned to 42 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 Q2000/10D Thiele/Small specs?
Fs 47.8 Hz, Qts 0.64, Vas 0.59 ft³, Xmax 0.44″, Sd 50.8 in².
What is the Quantum Audio Q2000/10D mounting depth?
Mounting depth is 5 5/8″, cutout diameter 9 1/8″. The inside depth of the box must exceed the mounting depth by at least 1″.