Pioneer TS-SW2502S4
10″ subwoofer · 4 Ω · 300 W RMS
| Source | pioneer-car.eu · 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) | Boomy, with a bump · 1.19 |
|---|---|
| Fc | 51 Hz |
| F3 (−3 dB, no cabin gain) | 39 Hz |
| Example box (outside) | 31 1/2″ × 15 3/4″ × 6 15/16″ |
Ported
deeper, louder| Tuning (Fb) | 36 Hz |
|---|---|
| Port | slot 1 3/8 × 14 5/16″, 37 1/2″ long |
| Port velocity at 300 W | 41 ft/s |
| F3 (−3 dB, no cabin gain) | 33 Hz |
| Example box (outside) | 31 1/2″ × 15 3/4″ × 8 1/16″ |
Deeper: 2.40 ft³ (68 L) tuned to 34 Hz, 31 1/2″ × 15 3/4″ × 12 7/8″ 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 | 300 W |
| Fs | 42 Hz |
| Qts | 0.97 |
| Qes | 1.06 |
| Qms | 12.04 |
| Vas | 0.65 ft³ |
| Re | 3 Ω |
|---|---|
| Sd | 61.6 in² |
| Xmax | 0.26″ |
| Vd | 15.8 in³ calc. |
| Mms | 174 g calc. |
| BL | 11.4 T·m calc. |
| EBP | 40 — suits sealed calc. |
| Sensitivity, 1 W / 1 m | 83.1 dB calc. |
Mounting dimensions
| Cutout diameter | 9 13/16″ |
|---|---|
| Mounting depth | 3 1/16″ |
| Overall diameter | 11 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
- pioneer-car.eu/asset/user_manuals/UPLOAD_ID_11736/ae283b319e678f14ff74949546c0ba
- pioneer-car.eu/asset/user_manuals/UPLOAD_ID_11728/252460698036e8289aa3c1ae3652d2
Other Pioneer 10″ models
- Pioneer TS-A25S4 10″ · 4 Ω
- Pioneer TS-A250D4 10″ · dual 4 Ω
- Pioneer TS-A2500LS4 10″ · 4 Ω
- Pioneer TS-D10D2 10″ · dual 2 Ω
- Pioneer TS-D10D4 10″ · dual 4 Ω
- Pioneer TS-D10LS2 10″ · 2 Ω
- Pioneer TS-D10LS4 10″ · 4 Ω
- Pioneer TS-ME100WC 10″ · 4 Ω
- Pioneer TS-ME100WS 10″ · 4 Ω
- Pioneer TS-W106M 10″ · 4 Ω
- Pioneer TS-W254F 10″ · 4 Ω
- Pioneer TS-W256R 10″ · 4 Ω
Similar 10″ subwoofers from other brands
Close in Fs, Qts and Vas — a box of similar volume will suit them.
- Clarion WF2520D 1.20 ft³ sealed · 0.85 ft³ ported
- Rockford Fosgate Power T1S1-10 (Slim, older) 0.92 ft³ sealed · 0.88 ft³ ported
- Rockford Fosgate Power T1S1-10P (Slim, ported) 0.92 ft³ sealed · 0.88 ft³ ported
- Massive Audio UFO10 1.17 ft³ sealed · 0.81 ft³ ported
- Bomber Slim 200W 4 Ohm (SW10SL200-4M) 1.17 ft³ sealed · 0.53 ft³ ported
- Kicker CompVR 10" 4-Ohm DVC (43CVR104) 1.13 ft³ sealed · 0.88 ft³ ported
FAQ
What box does the Pioneer TS-SW2502S4 need?
Recommended net volume: 1.31 ft³ sealed, 0.99 ft³ ported tuned to 36 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 Pioneer TS-SW2502S4 Thiele/Small specs?
Fs 42 Hz, Qts 0.97, Vas 0.65 ft³, Xmax 0.26″, Sd 61.6 in².
What is the Pioneer TS-SW2502S4 mounting depth?
Mounting depth is 3 1/16″, cutout diameter 9 13/16″. The inside depth of the box must exceed the mounting depth by at least 1″.
How much power does the Pioneer TS-SW2502S4 handle and how do I wire it?
RMS power rating: 300 W. Wiring for several subs and amp power — in the wiring calculator.