For a sedan, one sub, 1,750 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 Ported · SPL in dB at 1 W / 1 m, no cabin gain
Thiele/Small parameters
Fs
38 Hz
Qts
0.28
Qes
0.29
Qms
6.22
Vas
0.41 ft³
Re (one coil)
1.4 Ω
Sd
48.1 in²
Xmax
0.79″
Vd
37.8 in³ calc.
Mms
208 g calc.
BL
15.5 T·m calc.
EBP
131 — suits ported calc.
Sensitivity, 1 W / 1 m
85.4 dB calc.
General
Size
10″
Voice coils
dual 2 Ω
RMS power
1,750 W
Mounting dimensions
Cutout diameter
9 1/4″
Mounting depth
6 1/4″
Overall diameter
11″
“≈” 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.