BOSS Audio CH12DVC

12″ subwoofer · dual 4 Ω · 900 W RMS

Fs 36 HzQts 0.61Vas 1.42 ft³Xmax 0.63″

Recommended box

For a sedan, one sub, 900 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 volume1.73 ft³ (49 L)
Qtc0.82
Fc49 Hz
F3 (−3 dB, no cabin gain)45 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 8 3/4″
Open sealed box in designer

Ported

Net volume2.93 ft³ (83 L)
Tuning (Fb)32 Hz
Portslot 2 3/4 × 14 5/16″, 30″ long
Port velocity at 900 W64 ft/s
F3 (−3 dB, no cabin gain)28 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 16 7/8″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs36 Hz
Qts0.61
Qes0.74
Qms3.4
Vas1.42 ft³
Re (one coil)≈ 3.4 Ω
Sd≈ 76 in²
Xmax0.63″
EBP49 — suits sealed calc.
Sensitivity, 1 W / 1 m86 dB calc.

General

Size12″
Voice coilsdual 4 Ω
RMS power900 W

Mounting dimensions

Ø13″cutout Ø11″mounting depth 5 5/16″magnet Ø≈ 7 1/8″
Cutout diameter11″
Mounting depth5 5/16″
Overall diameter13″

“≈” 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 BOSS Audio 12″ models