Kicker CompQ 15" 4-Ohm DVC (51CWQ154)

15″ subwoofer · dual 4 Ω · 1,200 W RMS

Fs 32.4 HzQts 0.54Vas 2.01 ft³Xmax 0.93″

Recommended box

For a sedan, one sub, 1,200 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 volume1.66 ft³ (47 L)
Qtc0.80
Fc48 Hz
F3 (−3 dB, no cabin gain)45 Hz
Example box (outside)16 15/16″ × 16 15/16″ × 14 5/8″
Open sealed box in designer

Ported

Net volume4.87 ft³ (138 L)
Tuning (Fb)27 Hz
Portslot 3 3/4 × 16 5/16″, 39 7/16″ long
Port velocity at 1,200 W64 ft/s
F3 (−3 dB, no cabin gain)24 Hz
Example box (outside)31 1/2″ × 17 11/16″ × 24 13/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs32.4 Hz
Qts0.54
Qes0.569
Qms10.1
Vas2.01 ft³
Re (one coil)3.59 Ω
Sd126.2 in²
Xmax0.93″
Vd117.8 in³ calc.
Mms399 g calc.
BL22.6 T·m calc.
EBP57 — sealed or ported calc.
Sensitivity, 1 W / 1 m87.3 dB calc.

General

Size15″
Voice coilsdual 4 Ω
RMS power1,200 W

Mounting dimensions

Ø≈ 15 1/16″cutout Ø13 7/8″mounting depth 8 7/8″magnet Ø8″
Cutout diameter13 7/8″
Mounting depth8 7/8″
Magnet diameter8″

“≈” 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 15″ models