Kicx HeadShot 12 (2+2)

12″ subwoofer · dual 2 Ω · 1,500 W RMS

Fs 29 HzQts 0.42Vas 1.04 ft³Xmax 0.59″

Recommended box

For a sedan, one sub, 1,500 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 volume0.72 ft³ (20.5 L)
Qtc0.65
Fc45 Hz
F3 (−3 dB, no cabin gain)52 Hz
Example box (outside)14 3/16″ × 14 3/16″ × 10 1/4″
Open sealed box in designer

Ported

Net volume1.38 ft³ (39 L)
Tuning (Fb)29 Hz
Port2 round ports Ø2 1/2″, 21 3/16″ long
Port velocity at 1,500 W227 ft/s
F3 (−3 dB, no cabin gain)27 Hz
Example box (outside)23 15/16″ × 15 3/4″ × 10 1/4″
Open ported box in designer
2030405060801001502006066727884HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs29 Hz
Qts0.42
Qes0.46
Qms4.44
Vas1.04 ft³
Re (one coil)1.85 Ω
Sd71.3 in²
Xmax0.59″
Vd42.1 in³ calc.
Mms306 g calc.
BL15 T·m calc.
EBP63 — sealed or ported calc.
Sensitivity, 1 W / 1 m83.9 dB calc.

General

Size12″
Voice coilsdual 2 Ω
RMS power1,500 W

Mounting dimensions

Ø12 5/8″cutout Ø11 1/8″mounting depth 7 13/16″magnet Ø≈ 7 1/4″
Cutout diameter11 1/8″
Mounting depth7 13/16″
Overall diameter12 5/8″

“≈” 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 12″ models