Rockford Fosgate Punch HX2 RFD2210

10″ subwoofer · dual 4 Ω · 500 W RMS

Fs 30 HzQts 0.41Vas 0.99 ft³Xmax 0.55″

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

Net volume0.49 ft³ (14 L)
Qtc0.71
Fc52 Hz
F3 (−3 dB, no cabin gain)55 Hz
Example box (outside)12 5/8″ × 12 5/8″ × 9 1/8″
Open sealed box in designer

Ported

Net volume1.17 ft³ (33 L)
Tuning (Fb)31 Hz
Port2 round ports Ø2 1/2″, 21 15/16″ long
Port velocity at 500 W123 ft/s
F3 (−3 dB, no cabin gain)29 Hz
Example box (outside)27 9/16″ × 15 3/4″ × 7 7/8″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs30 Hz
Qts0.41
Qes0.44
Qms6.32
Vas0.99 ft³
Re (one coil)4.2 Ω
Sd53.9 in²
Xmax0.55″
Vd29.7 in³ calc.
Mms172 g calc.
BL17.6 T·m calc.
EBP68 — sealed or ported calc.
Sensitivity, 1 W / 1 m84.4 dB calc.

General

Size10″
Voice coilsdual 4 Ω
RMS power500 W

Mounting dimensions

Ø10 11/16″cutout Ø9 5/16″mounting depth 5 7/16″magnet Ø≈ 6 1/16″
Cutout diameter9 5/16″
Mounting depth5 7/16″
Overall diameter10 11/16″

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 Rockford Fosgate 10″ models