Soundstream TSQ-104
10″ subwoofer · dual 4 Ω · 500 W RMS
| 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, 500 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 · 1.05 |
|---|---|
| Fc | 50 Hz |
| F3 (−3 dB, no cabin gain) | 40 Hz |
| Example box (outside) | 12 5/8″ × 12 5/8″ × 24 3/8″ |
Ported
deeper, louder| Tuning (Fb) | 35 Hz |
|---|---|
| Port | slot 1 3/8 × 14 5/16″, 35 11/16″ long |
| Port velocity at 500 W | 51 ft/s |
| F3 (−3 dB, no cabin gain) | 34 Hz |
| Example box (outside) | 18″ × 15 3/4″ × 14 3/8″ |
Deeper: 2.65 ft³ (75 L) tuned to 34 Hz, 31 1/2″ × 15 3/4″ × 14 1/2″ 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 | 500 W |
| Fs | 40.1 Hz |
| Qts | 0.84 |
| Qes | 1.006 |
| Qms | 5 |
| Vas | 0.89 ft³ |
| Re (one coil) | 3.05 Ω |
|---|---|
| Sd | 68.4 in² |
| Xmax | 0.59″ |
| Vd | 40.4 in³ calc. |
| Mms | 172 g calc. |
| BL | 11.5 T·m calc. |
| EBP | 40 — suits sealed calc. |
| Sensitivity, 1 W / 1 m | 84.1 dB calc. |
Mounting dimensions
| Cutout (square, side) | 9 1/4″ |
|---|---|
| Mounting depth | 7 1/8″ |
| Overall diameter | 10 5/8″ |
“≈” 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 Soundstream 10″ models
- Soundstream EXACT 10 10″ · 4 Ω
- Soundstream PCW-10 10″ · dual 4 Ω
- Soundstream PSW.104 10″ · 4 Ω
- Soundstream PWS-10 10″ · dual 4 Ω
- Soundstream PXW-10 10″ · dual 4 Ω
- Soundstream PXW-10/2 10″ · dual 2 Ω
- Soundstream R3.10 10″ · dual 2 Ω
- Soundstream RBW-10 10″ · dual 4 Ω
- Soundstream RFW-10 10″ · dual 4 Ω
- Soundstream RW-10 10″ · dual 4 Ω
- Soundstream T4-10 10″ · dual 1 Ω
- Soundstream T5-10 (2009) 10″ · dual 2 Ω
Similar 10″ subwoofers from other brands
Close in Fs, Qts and Vas — a box of similar volume will suit them.
- Planet Audio AC10D 1.20 ft³ sealed · 0.85 ft³ ported
- DS18 SLC-10S 1.31 ft³ sealed · 0.92 ft³ ported
- MTX Audio TS8510-22 1.62 ft³ sealed · 1.13 ft³ ported
- Pioneer TS-D10D4 1.20 ft³ sealed · 0.81 ft³ ported
- Audiobahn AW1051Q 1.17 ft³ sealed · 0.81 ft³ ported
- Audiobahn AW1051SE 1.17 ft³ sealed · 0.81 ft³ ported
FAQ
What box does the Soundstream TSQ-104 need?
Recommended net volume: 1.55 ft³ sealed, 1.09 ft³ ported tuned to 35 Hz — for one sub in a sedan at 500 W. Fit the box to your space and amp in the free calculator, with plans and a cut sheet.
What are the Soundstream TSQ-104 Thiele/Small specs?
Fs 40.1 Hz, Qts 0.84, Vas 0.89 ft³, Xmax 0.59″, Sd 68.4 in².
What is the Soundstream TSQ-104 mounting depth?
Mounting depth is 7 1/8″, cutout diameter 9 1/4″. The inside depth of the box must exceed the mounting depth by at least 1″.
How much power does the Soundstream TSQ-104 handle and how do I wire it?
RMS power rating: 500 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.