Lanzar HRWDC15

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

Fs 23 HzQts 0.40Vas 6.24 ft³Xmax 0.56″

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 volume2.12 ft³ (60 L)
Qtc0.80
Fc46 Hz
F3 (−3 dB, no cabin gain)44 Hz
Example box (outside)16 15/16″ × 16 15/16″ × 17 7/8″
Open sealed box in designer

Ported

Net volume4.80 ft³ (136 L)
Tuning (Fb)28 Hz
Portslot 3 3/8 × 16 5/16″, 32 5/8″ long
Port velocity at 1,200 W63 ft/s
F3 (−3 dB, no cabin gain)27 Hz
Example box (outside)31 1/2″ × 17 11/16″ × 23 3/16″
Open ported box in designer
203040506080100150200667278849096HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs23 Hz
Qts0.40
Qes0.437
Qms5.07
Vas6.24 ft³
Re (one coil)3.6 Ω
Sd≈ 124 in²
Xmax0.56″
EBP53 — sealed or ported calc.
Sensitivity, 1 W / 1 m88.9 dB calc.

General

Size15″
Voice coilsdual 4 Ω
RMS power1,200 W

Mounting dimensions

Ø15 1/4″cutout ≈ Ø13 11/16″mounting depth 7 7/16″magnet Ø≈ 8 7/8″
Cutout diameter≈ 13 11/16″
Mounting depth7 7/16″
Overall diameter15 1/4″

“≈” 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 Lanzar 15″ models