Massive Audio H152X

15″ subwoofer · dual 2 Ω · 2,000 W RMS

Fs 39.6 HzQts 0.41Vas 1.80 ft³Xmax 0.79″

Recommended box

For a sedan, one sub, 2,000 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 volume1.27 ft³ (36 L)
Qtc0.63
Fc62 Hz
F3 (−3 dB, no cabin gain)73 Hz
Example box (outside)16 15/16″ × 16 15/16″ × 11 13/16″
Open sealed box in designer

Ported

Net volume2.47 ft³ (70 L)
Tuning (Fb)38 Hz
Portslot 3 3/4 × 16 5/16″, 39 3/16″ long
Port velocity at 2,000 W63 ft/s
F3 (−3 dB, no cabin gain)36 Hz
Example box (outside)31 1/2″ × 17 11/16″ × 16 5/16″
Open ported box in designer
203040506080100150200667278849096HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs39.6 Hz
Qts0.41
Qes0.497
Qms2.21
Vas1.80 ft³
Re (one coil)1.8 Ω
Sd129.4 in²
Xmax0.79″
Vd101.9 in³ calc.
Mms312 g calc.
BL16.8 T·m calc.
EBP80 — sealed or ported calc.
Sensitivity, 1 W / 1 m90.1 dB calc.

General

Size15″
Voice coilsdual 2 Ω
RMS power2,000 W

Mounting dimensions

Ø15 1/2″cutout Ø13 11/16″mounting depth 9 7/16″magnet Ø≈ 8 7/8″
Cutout diameter13 11/16″
Mounting depth9 7/16″
Overall diameter15 1/2″

“≈” 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 Massive Audio 15″ models