RE Audio SRX10 D4
10″ subwoofer · dual 4 Ω · 300 W RMS
Fs 25.3 HzQts 0.36Vas 1.09 ft³Xmax 0.71″
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
| Net volume | 0.44 ft³ (12.5 L) |
|---|---|
| Qtc | 0.68 |
| Fc | 47 Hz |
| F3 (−3 dB, no cabin gain) | 52 Hz |
| Example box (outside) | 12 5/8″ × 12 5/8″ × 8 3/8″ |
Ported
| Net volume | 0.92 ft³ (26 L) |
|---|---|
| Tuning (Fb) | 29 Hz |
| Port | round port Ø2 1/2″, 15 7/16″ long |
| Port velocity at 300 W | 160 ft/s |
| F3 (−3 dB, no cabin gain) | 28 Hz |
| Example box (outside) | 19 1/2″ × 15 3/4″ × 8 7/16″ |
Thiele/Small parameters
| Fs | 25.3 Hz |
|---|---|
| Qts | 0.36 |
| Qes | 0.39 |
| Qms | 5.5 |
| Vas | 1.09 ft³ |
| Re (one coil) | 3.6 Ω |
| Sd | 48.1 in² |
| Xmax | 0.71″ |
| Vd | 34.1 in³ calc. |
| Mms | 174 g calc. |
| BL | 16 T·m calc. |
| EBP | 65 — sealed or ported calc. |
| Sensitivity, 1 W / 1 m | 83.1 dB calc. |
General
| Size | 10″ |
|---|---|
| Voice coils | dual 4 Ω |
| RMS power | 300 W |
Mounting dimensions
| Cutout diameter | 9 5/16″ |
|---|---|
| Mounting depth | 6″ |
| Overall diameter | 10 7/8″ |
Judging by its value, the published Re is for both coils in parallel — converted to per coil.
“≈” 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 RE Audio 10″ models
- RE Audio REX10 S4 10″ · 4 Ω
- RE Audio SCX10 D4 v2 10″ · dual 4 Ω
- RE Audio SEX10 D2 v2 10″ · dual 2 Ω