Massive Audio HIPPO XL152R

15″ subwoofer · dual 2 Ω · 3,000 W RMS

Fs 41.1 HzQts 0.39Vas 1.10 ft³Xmax 0.87″

Recommended box

For a sedan, one sub, 3,000 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 volume1.29 ft³ (36.5 L)
Qtc0.53
Fc56 Hz
F3 (−3 dB, no cabin gain)83 Hz
Example box (outside)16 15/16″ × 16 15/16″ × 11 15/16″
Open sealed box in designer

Ported

Net volume2.40 ft³ (68 L)
Tuning (Fb)33 Hz
Portslot 3 3/8 × 16 5/16″, 49 5/8″ long
Port velocity at 3,000 W91 ft/s
F3 (−3 dB, no cabin gain)31 Hz
Example box (outside)31 1/2″ × 17 11/16″ × 16 15/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs41.1 Hz
Qts0.39
Qes0.417
Qms5.15
Vas1.10 ft³
Re (one coil)1.8 Ω
Sd124.6 in²
Xmax0.87″
Vd107.9 in³ calc.
Mms440 g calc.
BL22.1 T·m calc.
EBP98 — sealed or ported calc.
Sensitivity, 1 W / 1 m89.2 dB calc.

General

Size15″
Voice coilsdual 2 Ω
RMS power3,000 W

Mounting dimensions

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

“≈” 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 Massive Audio 15″ models