ESX QXP104 (4 Ohm)

10″ subwoofer · 4 Ω · 500 W RMS

Fs 33 HzQts 0.63Vas 0.69 ft³Xmax 0.57″

Recommended box

For a sedan, one sub, 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 volume1.13 ft³ (32 L)
Qtc0.80
Fc42 Hz
F3 (−3 dB, no cabin gain)39 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 6 3/16″
Open sealed box in designer

Ported

Net volume2.30 ft³ (65 L)
Tuning (Fb)26 Hz
Portslot 1 15/16 × 14 5/16″, 44 3/16″ long
Port velocity at 500 W61 ft/s
F3 (−3 dB, no cabin gain)22 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 14 5/8″
Open ported box in designer
2030405060801001502006066727884HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs33 Hz
Qts0.63
Qes0.69
Qms7.57
Vas0.69 ft³
Re3.3 Ω
Sd58.9 in²
Xmax0.57″
Vd33.6 in³ calc.
Mms244 g calc.
BL15.6 T·m calc.
EBP48 — suits sealed calc.
Sensitivity, 1 W / 1 m82.1 dB calc.

General

Size10″
Voice coils4 Ω
RMS power500 W

Mounting dimensions

Ø10 15/16″cutout Ø9 5/16″mounting depth 3 1/4″magnet Ø5 1/4″
Cutout diameter9 5/16″
Mounting depth3 1/4″
Overall diameter10 15/16″
Magnet diameter5 1/4″

“≈” 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 ESX 10″ models