Dayton Audio MX15-22

15″ subwoofer · dual 2 Ω · 800 W RMS

Fs 21.7 HzQts 0.42Vas 5.16 ft³Xmax 0.75″

Recommended box

For a sedan, one sub, 800 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 volume1.91 ft³ (54 L)
Qtc0.80
Fc42 Hz
F3 (−3 dB, no cabin gain)40 Hz
Example box (outside)17 5/16″ × 17 5/16″ × 15 5/8″
Open sealed box in designer

Ported

Net volume4.91 ft³ (139 L)
Tuning (Fb)25 Hz
Portslot 2 9/16 × 16 11/16″, 31 13/16″ long
Port velocity at 800 W64 ft/s
F3 (−3 dB, no cabin gain)23 Hz
Example box (outside)31 1/2″ × 18 1/8″ × 22 1/4″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs21.7 Hz
Qts0.42
Qes0.46
Qms4.27
Vas5.16 ft³
Re (one coil)2 Ω
Sd127.1 in²
Xmax0.75″
Vd95.1 in³ calc.
Mms351 g calc.
BL14.4 T·m calc.
EBP47 — suits sealed calc.
Sensitivity, 1 W / 1 m87.1 dB calc.

General

Size15″
Voice coilsdual 2 Ω
RMS power800 W

Mounting dimensions

Ø15 7/16″cutout Ø14″mounting depth 9 1/8″magnet Ø≈ 9 1/8″
Cutout diameter14″
Mounting depth9 1/8″
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 Dayton Audio 15″ models