Kicker L7 15" 4-Ohm DVC (41L7154)

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

Fs 33.2 HzQts 0.77Vas 2.56 ft³Xmax 0.85″

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 volume3.64 ft³ (103 L)
Qtc1.01
Fc43 Hz
F3 (−3 dB, no cabin gain)35 Hz
Example box (outside)31 1/2″ × 17 11/16″ × 15 1/4″
Open sealed box in designer

Ported

Net volume6.18 ft³ (175 L)
Tuning (Fb)30 Hz
Portslot 4 1/8 × 16 5/16″, 25 5/8″ long
Port velocity at 1,200 W65 ft/s
F3 (−3 dB, no cabin gain)25 Hz
Example box (outside)31 1/2″ × 17 11/16″ × 28 1/8″
Open ported box in designer
203040506080100150200667278849096HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs33.2 Hz
Qts0.77
Qes0.827
Qms11.55
Vas2.56 ft³
Re (one coil)2.89 Ω
Sd159.7 in²
Xmax0.85″
Vd135.2 in³ calc.
Mms476 g calc.
BL18.6 T·m calc.
EBP40 — suits sealed calc.
Sensitivity, 1 W / 1 m87.1 dB calc.

General

Size15″
Voice coilsdual 4 Ω
RMS power1,200 W

Mounting dimensions

15 9/16″ × 15 9/16″cutout 13 3/4″mounting depth 9 7/16″magnet Ø≈ 8 15/16″
Cutout (square, side)13 3/4″
Mounting depth9 7/16″
Overall diameter15 9/16″

“≈” 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 15″ models