Focal Performance Sub P 33 V2 (DVC 4+4 ohm)
13″ subwoofer · dual 4 Ω · 400 W RMS
Fs 28.7 HzQts 0.54Vas 2.69 ft³Xmax 0.43″
Recommended box
For a sedan, one sub, 400 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 | 1.87 ft³ (53 L) |
|---|---|
| Qtc | 0.84 |
| Fc | 45 Hz |
| F3 (−3 dB, no cabin gain) | 41 Hz |
| Example box (outside) | 31 1/2″ × 15 3/4″ × 9 3/8″ |
Ported
| Net volume | 3.18 ft³ (90 L) |
|---|---|
| Tuning (Fb) | 31 Hz |
| Port | slot 1 3/4 × 14 5/16″, 18 1/16″ long |
| Port velocity at 400 W | 65 ft/s |
| F3 (−3 dB, no cabin gain) | 28 Hz |
| Example box (outside) | 31 1/2″ × 15 3/4″ × 15 15/16″ |
Thiele/Small parameters
| Fs | 28.7 Hz |
|---|---|
| Qts | 0.54 |
| Qes | 0.61 |
| Qms | 4.51 |
| Vas | 2.69 ft³ |
| Re (one coil) | 4.2 Ω |
| Sd | 82.3 in² |
| Xmax | 0.43″ |
| Vd | 35.6 in³ calc. |
| Mms | 161 g calc. |
| BL | 14.1 T·m calc. |
| EBP | 47 — suits sealed calc. |
| Sensitivity, 1 W / 1 m | 86.7 dB calc. |
General
| Size | 13″ |
|---|---|
| Voice coils | dual 4 Ω |
| RMS power | 400 W |
Mounting dimensions
| Cutout diameter | ≈ 11 7/8″ |
|---|---|
| Mounting depth | ≈ 5 7/8″ |
| Overall diameter | 13 3/16″ |
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 Focal 13″ models
- Focal K2 Power 33 KX (DVC 2+2 ohm) 13″ · dual 2 Ω
- Focal Utopia Be 33 WX2 (SVC 4 ohm) 13″ · 4 Ω