Rockford Fosgate Punch P3SD4-10 (Shallow)

10″ subwoofer · dual 4 Ω · 300 W RMS

Fs 42 HzQts 0.78Vas 0.50 ft³Xmax 0.32″

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 volume1.02 ft³ (29 L)
Qtc0.96
Fc51 Hz
F3 (−3 dB, no cabin gain)42 Hz
Example box (outside)12 3/16″ × 12 3/16″ × 17 9/16″
Open sealed box in designer

Ported

Net volume2.01 ft³ (57 L)
Tuning (Fb)31 Hz
Portslot 1 9/16 × 14 5/16″, 27 1/4″ long
Port velocity at 300 W60 ft/s
F3 (−3 dB, no cabin gain)26 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 11 11/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs42 Hz
Qts0.78
Qes0.9
Qms6
Vas0.50 ft³
Re (one coil)3.4 Ω
Sd51.6 in²
Xmax0.32″
Vd16.5 in³ calc.
Mms158 g calc.
BL12.5 T·m calc.
EBP47 — suits sealed calc.
Sensitivity, 1 W / 1 m82.7 dB calc.

General

Size10″
Voice coilsdual 4 Ω
RMS power300 W

Mounting dimensions

Ø≈ 10 1/4″cutout Ø9 1/16″mounting depth 3 1/2″magnet Ø≈ 5 7/8″
Cutout diameter9 1/16″
Mounting depth3 1/2″

“≈” 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 Rockford Fosgate 10″ models