Kicker CompRT 12" 2-Ohm DVC (43CWRT122)

12″ subwoofer · dual 2 Ω

Fs 28.9 HzQts 0.58Vas 2.03 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 volume1.80 ft³ (51 L)
Qtc0.85
Fc42 Hz
F3 (−3 dB, no cabin gain)38 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)30 Hz
Portslot 1 3/4 × 14 5/16″, 20 11/16″ long
Port velocity at 300 W59 ft/s
F3 (−3 dB, no cabin gain)26 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 15 5/8″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs28.9 Hz
Qts0.58
Qes0.61
Qms13.57
Vas2.03 ft³
Re (one coil)1.95 Ω
Sd78.5 in²
Xmax0.41″
Vd32.5 in³ calc.
Mms191 g calc.
BL10.5 T·m calc.
EBP47 — suits sealed calc.
Sensitivity, 1 W / 1 m85.6 dB calc.

General

Size12″
Voice coilsdual 2 Ω
RMS power—

Mounting dimensions

Ø≈ 12 5/16″cutout ≈ Ø11 1/8″mounting depth ≈ 5 7/8″magnet Ø≈ 7 3/16″
Cutout diameter≈ 11 1/8″
Mounting depth≈ 5 7/8″

“≈” 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