Kicker CompRT 12" 4-Ohm DVC (48CWRT124)

12″ subwoofer · dual 4 Ω · 500 W RMS

Fs 30.3 HzQts 0.72Vas 1.84 ft³Xmax 0.53″

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 volume1.80 ft³ (51 L)
Qtc1.03
Fc43 Hz
F3 (−3 dB, no cabin gain)35 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 9 1/16″
Open sealed box in designer

Ported

Net volume3.04 ft³ (86 L)
Tuning (Fb)31 Hz
Portslot 1 15/16 × 14 5/16″, 21 7/16″ long
Port velocity at 500 W65 ft/s
F3 (−3 dB, no cabin gain)26 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 15 13/16″
Open ported box in designer
203040506080100150200667278849096HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs30.3 Hz
Qts0.72
Qes0.793
Qms8.4
Vas1.84 ft³
Re (one coil)3.97 Ω
Sd78.5 in²
Xmax0.53″
Vd41.4 in³ calc.
Mms193 g calc.
BL13.6 T·m calc.
EBP38 — suits sealed calc.
Sensitivity, 1 W / 1 m84.6 dB calc.

General

Size12″
Voice coilsdual 4 Ω
RMS power500 W

Mounting dimensions

Ø12 9/16″cutout Ø11″mounting depth 3 3/4″magnet Ø6 5/8″
Cutout diameter11″
Mounting depth3 3/4″
Overall diameter12 9/16″
Magnet diameter6 5/8″

“≈” 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