Rockford Fosgate Power RFR2210 (2000)

10″ subwoofer · dual 4 Ω · 500 W RMS

Fs 28 HzQts 0.34Vas 1.06 ft³Xmax 0.48″

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)
Qtc0.60
Fc50 Hz
F3 (−3 dB, no cabin gain)63 Hz
Example box (outside)12 3/16″ × 12 3/16″ × 9 11/16″
Open sealed box in designer

Ported

Net volume1.02 ft³ (29 L)
Tuning (Fb)30 Hz
Portround port Ø3″, 18 3/16″ long
Port velocity at 500 W164 ft/s
F3 (−3 dB, no cabin gain)29 Hz
Example box (outside)23 13/16″ × 15 3/4″ × 7 7/8″
Open ported box in designer
2030405060801001502006066727884HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs28 Hz
Qts0.34
Qes0.36
Qms6
Vas1.06 ft³
Re (one coil)≈ 3.4 Ω
Sd≈ 52.7 in²
Xmax0.48″
EBP78 — sealed or ported calc.
Sensitivity, 1 W / 1 m84.6 dB calc.

General

Size10″
Voice coilsdual 4 Ω
RMS power500 W

Mounting dimensions

Ø≈ 10 3/8″cutout Ø9 3/16″mounting depth 5 5/16″magnet Ø≈ 5 15/16″
Cutout diameter9 3/16″
Mounting depth5 5/16″

Only Qts is published — Qms assumed to be 6 and Qes calculated (barely affects box design).

“≈” 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