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 Ported · SPL in dB at 1 W / 1 m, no cabin gain
Thiele/Small parameters
Fs
43 Hz
Qts
0.69
Qes
0.766
Qms
7.43
Vas
0.39 ft³
Re (one coil)
≈ 1.7 Ω
Sd
50.2 in²
Xmax
0.91″
Vd
45.5 in³ calc.
Mms
186 g calc.
BL
10.6 T·m calc.
EBP
56 — sealed or ported calc.
Sensitivity, 1 W / 1 m
82.6 dB calc.
General
Size
10″
Voice coils
dual 2 Ω
RMS power
1,000 W
Mounting dimensions
Cutout diameter
9 3/8″
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.