Kicker CompRT 8" 2-Ohm DVC (43CWRT82)

8″ subwoofer · dual 2 Ω

Fs 42.4 HzQts 0.60Vas 0.36 ft³Xmax 0.31″

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 volume0.46 ft³ (13 L)
Qtc0.80
Fc57 Hz
F3 (−3 dB, no cabin gain)53 Hz
Example box (outside)10 5/8″ × 10 5/8″ × 11 1/2″
Open sealed box in designer

Ported

Net volume1.24 ft³ (35 L)
Tuning (Fb)32 Hz
Port2 round ports Ø3″, 27 1/2″ long
Port velocity at 300 W79 ft/s
F3 (−3 dB, no cabin gain)28 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 7 5/8″
Open ported box in designer
2030405060801001502006066727884HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs42.4 Hz
Qts0.60
Qes0.628
Qms12.8
Vas0.36 ft³
Re (one coil)1.95 Ω
Sd31.6 in²
Xmax0.31″
Vd9.9 in³ calc.
Mms80 g calc.
BL8.1 T·m calc.
EBP68 — sealed or ported calc.
Sensitivity, 1 W / 1 m83 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