MTX Audio FPR10-04

10″ subwoofer · 4 Ω · 300 W RMS

Fs 35 HzQts 0.77Vas 0.70 ft³Xmax 0.51″

Recommended box

For a sedan, one sub, 300 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 volume1.34 ft³ (38 L)
Qtc0.95
Fc43 Hz
F3 (−3 dB, no cabin gain)36 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 7 1/16″
Open sealed box in designer

Ported

Net volume2.26 ft³ (64 L)
Tuning (Fb)28 Hz
Portslot 1 9/16 × 14 5/16″, 30 1/8″ long
Port velocity at 300 W59 ft/s
F3 (−3 dB, no cabin gain)23 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 12 15/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs35 Hz
Qts0.77
Qes0.89
Qms5.47
Vas0.70 ft³
Re3.31 Ω
Sd58.4 in²
Xmax0.51″
Vd29.9 in³ calc.
Mms209 g calc.
BL13.1 T·m calc.
EBP39 — suits sealed calc.
Sensitivity, 1 W / 1 m81.8 dB calc.

General

Size10″
Voice coils4 Ω
RMS power300 W

Mounting dimensions

Ø10 5/16″cutout Ø9 1/8″mounting depth 3 3/8″magnet Ø≈ 5 15/16″
Cutout diameter9 1/8″
Mounting depth3 3/8″
Overall diameter10 5/16″

“≈” 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 MTX Audio 10″ models