Kicker CompVX 12" 4-Ohm DVC (50CVX124)

12″ subwoofer · dual 4 Ω · 750 W RMS

Fs 32.2 HzQts 0.41Vas 1.49 ft³Xmax 0.76″

Recommended box

For a sedan, one sub, 750 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 volume0.74 ft³ (21 L)
Qtc0.72
Fc56 Hz
F3 (−3 dB, no cabin gain)58 Hz
Example box (outside)14 3/16″ × 14 3/16″ × 10 7/16″
Open sealed box in designer

Ported

Net volume1.77 ft³ (50 L)
Tuning (Fb)33 Hz
Portslot 2 3/16 × 14 5/16″, 38 9/16″ long
Port velocity at 750 W63 ft/s
F3 (−3 dB, no cabin gain)31 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 12 7/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs32.2 Hz
Qts0.41
Qes0.429
Qms11.9
Vas1.49 ft³
Re (one coil)3.23 Ω
Sd81 in²
Xmax0.76″
Vd61.6 in³ calc.
Mms225 g calc.
BL18.5 T·m calc.
EBP75 — sealed or ported calc.
Sensitivity, 1 W / 1 m87.1 dB calc.

General

Size12″
Voice coilsdual 4 Ω
RMS power750 W

Mounting dimensions

Ø≈ 12 3/16″cutout Ø11″mounting depth 6 5/8″magnet Ø6 3/4″
Cutout diameter11″
Mounting depth6 5/8″
Magnet diameter6 3/4″

“≈” 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 12″ models