Kicx HeadShot DM15 (1+1)

15″ subwoofer · dual 1 Ω · 4,000 W RMS

Fs 42 HzQts 0.63Vas 0.64 ft³

Recommended box

For a sedan, one sub, 4,000 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 volume1.06 ft³ (30 L)
Qtc0.80
Fc53 Hz
F3 (−3 dB, no cabin gain)49 Hz
Example box (outside)17 5/16″ × 17 5/16″ × 9 7/8″
Open sealed box in designer

Ported

Net volume2.58 ft³ (73 L)
Tuning (Fb)30 Hz
Portslot 2 15/16 × 16 11/16″, 51″ long
Port velocity at 4,000 W106 ft/s
F3 (−3 dB, no cabin gain)26 Hz
Example box (outside)31 1/2″ × 18 1/8″ × 16 7/8″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs42 Hz
Qts0.63
Qes0.82
Qms2.78
Vas0.64 ft³
Re (one coil)0.85 Ω
Sd112 in²
Xmax≈ 0.39″
Mms590 g calc.
BL12.7 T·m calc.
EBP51 — sealed or ported calc.
Sensitivity, 1 W / 1 m84.1 dB calc.

General

Size15″
Voice coilsdual 1 Ω
RMS power4,000 W

Mounting dimensions

Ø≈ 15 3/16″cutout ≈ Ø14″mounting depth ≈ 7 1/16″magnet Ø≈ 9 1/16″
Cutout diameter≈ 14″
Mounting depth≈ 7 1/16″

Cone area (Sd) calculated from Fs, Vas and Mms: 112 in².

Judging by its value, the published Re is for both coils in series — converted to per coil.

“≈” 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 Kicx 15″ models