Kicker Solo-Baric L7R 15" 4-Ohm DVC (45L7R154)

15″ subwoofer · dual 4 Ω · 900 W RMS

Fs 22.8 HzQts 0.58Vas 6.58 ft³Xmax 0.80″

Recommended box

For a sedan, one sub, 900 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 volume3.71 ft³ (105 L)
Qtc0.96
Fc38 Hz
F3 (−3 dB, no cabin gain)32 Hz
Example box (outside)31 1/2″ × 17 11/16″ × 15 1/2″
Open sealed box in designer

Ported

Net volume6.29 ft³ (178 L)
Tuning (Fb)28 Hz
Portslot 3 1/8 × 16 5/16″, 21 15/16″ long
Port velocity at 900 W64 ft/s
F3 (−3 dB, no cabin gain)25 Hz
Example box (outside)31 1/2″ × 17 11/16″ × 27 5/16″
Open ported box in designer
203040506080100150200667278849096HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs22.8 Hz
Qts0.58
Qes0.623
Qms7.64
Vas6.58 ft³
Re (one coil)3.69 Ω
Sd162 in²
Xmax0.80″
Vd129.5 in³ calc.
Mms405 g calc.
BL18.5 T·m calc.
EBP37 — suits sealed calc.
Sensitivity, 1 W / 1 m87.5 dB calc.

General

Size15″
Voice coilsdual 4 Ω
RMS power900 W

Mounting dimensions

≈ 14 15/16″ × ≈ 14 15/16″cutout 13 3/4″mounting depth 8 7/16″magnet Ø7 3/16″
Cutout (square, side)13 3/4″
Mounting depth8 7/16″
Magnet diameter7 3/16″

“≈” 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