Kicker CompR 8" 2-Ohm DVC (43CWR82)

8″ subwoofer · dual 2 Ω

Fs 44.6 HzQts 0.70Vas 0.31 ft³Xmax 0.41″

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 volume0.60 ft³ (17 L)
Qtc0.86
Fc55 Hz
F3 (−3 dB, no cabin gain)48 Hz
Example box (outside)10 5/8″ × 10 5/8″ × 14 3/8″
Open sealed box in designer

Ported

Net volume1.13 ft³ (32 L)
Tuning (Fb)33 Hz
Portround port Ø2 1/2″, 9″ long
Port velocity at 300 W221 ft/s
F3 (−3 dB, no cabin gain)28 Hz
Example box (outside)29 3/4″ × 15 3/4″ × 6 1/2″
Open ported box in designer
2030405060801001502006066727884HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs44.6 Hz
Qts0.70
Qes0.737
Qms13.36
Vas0.31 ft³
Re (one coil)1.88 Ω
Sd29.2 in²
Xmax0.41″
Vd12.1 in³ calc.
Mms74 g calc.
BL7.3 T·m calc.
EBP61 — sealed or ported calc.
Sensitivity, 1 W / 1 m82.2 dB calc.

General

Size8″
Voice coilsdual 2 Ω
RMS power—

Mounting dimensions

Ø≈ 8 1/2″cutout ≈ Ø7 5/16″mounting depth ≈ 3 15/16″magnet Ø≈ 4 3/4″
Cutout diameter≈ 7 5/16″
Mounting depth≈ 3 15/16″

“≈” 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 Kicker 8″ models