Massive Audio KILOX104

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

Fs 40.2 HzQts 0.56Vas 0.36 ft³Xmax 0.55″

Recommended box

For a sedan, one sub, 1,000 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 volume0.46 ft³ (13 L)
Qtc0.75
Fc54 Hz
F3 (−3 dB, no cabin gain)53 Hz
Example box (outside)12 3/16″ × 12 3/16″ × 9 3/16″
Open sealed box in designer

Ported

Net volume1.02 ft³ (29 L)
Tuning (Fb)31 Hz
Portround port Ø3″, 16 15/16″ long
Port velocity at 1,000 W245 ft/s
F3 (−3 dB, no cabin gain)28 Hz
Example box (outside)21 1/4″ × 15 3/4″ × 8 11/16″
Open ported box in designer
2030405060801001502006066727884HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs40.2 Hz
Qts0.56
Qes0.64
Qms4.54
Vas0.36 ft³
Re (one coil)3.6 Ω
Sd51.2 in²
Xmax0.55″
Vd28.2 in³ calc.
Mms237 g calc.
BL18.4 T·m calc.
EBP63 — sealed or ported calc.
Sensitivity, 1 W / 1 m82.2 dB calc.

General

Size10″
Voice coilsdual 4 Ω
RMS power1,000 W

Mounting dimensions

Ø10 13/16″cutout Ø9 3/16″mounting depth 6 1/8″magnet Ø≈ 6″
Cutout diameter9 3/16″
Mounting depth6 1/8″
Overall diameter10 13/16″

“≈” 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 10″ models