Kicker Solo-Baric L7S 8" 4-Ohm DVC (44L7S84)

8″ subwoofer · dual 4 Ω · 450 W RMS

Fs 44.6 HzQts 0.75Vas 0.37 ft³Xmax 0.62″

Recommended box

For a sedan, one sub, 450 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 volume0.74 ft³ (21 L)
Qtc0.92
Fc55 Hz
F3 (−3 dB, no cabin gain)46 Hz
Example box (outside)10 1/4″ × 10 1/4″ × 18 11/16″
Open sealed box in designer

Ported

Net volume1.62 ft³ (46 L)
Tuning (Fb)32 Hz
Portslot 1 3/4 × 14 5/16″, 36 5/8″ long
Port velocity at 450 W61 ft/s
F3 (−3 dB, no cabin gain)27 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 11″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs44.6 Hz
Qts0.75
Qes0.819
Qms9.11
Vas0.37 ft³
Re (one coil)3.32 Ω
Sd41.7 in²
Xmax0.62″
Vd25.9 in³ calc.
Mms123 g calc.
BL11.8 T·m calc.
EBP55 — sealed or ported calc.
Sensitivity, 1 W / 1 m82.6 dB calc.

General

Size8″
Voice coilsdual 4 Ω
RMS power450 W

Mounting dimensions

≈ 8 7/16″ × ≈ 8 7/16″cutout 7 1/4″mounting depth 4 3/4″magnet Ø6 1/8″
Cutout (square, side)7 1/4″
Mounting depth4 3/4″
Magnet diameter6 1/8″

“≈” 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 8″ models