B2 Audio IS10 D2 v3

10″ subwoofer · dual 2 Ω · 750 W RMS

Fs 33.6 HzQts 0.51Vas 0.60 ft³Xmax 0.71″

Recommended box

For a sedan, one sub, 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

Net volume0.49 ft³ (14 L)
Qtc0.76
Fc50 Hz
F3 (−3 dB, no cabin gain)49 Hz
Example box (outside)13″ × 13″ × 8 5/8″
Open sealed box in designer

Ported

Net volume1.31 ft³ (37 L)
Tuning (Fb)29 Hz
Port2 round ports Ø2 1/2″, 22 7/16″ long
Port velocity at 750 W164 ft/s
F3 (−3 dB, no cabin gain)26 Hz
Example box (outside)31 1/8″ × 15 3/4″ × 7 11/16″
Open ported box in designer
2030405060801001502006066727884HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs33.6 Hz
Qts0.51
Qes0.56
Qms5.75
Vas0.60 ft³
Re (one coil)1.9 Ω
Sd≈ 52.7 in²
Xmax0.71″
EBP60 — sealed or ported calc.
Sensitivity, 1 W / 1 m82.6 dB calc.

General

Size10″
Voice coilsdual 2 Ω
RMS power750 W

Mounting dimensions

Ø10 13/16″cutout ≈ Ø9 3/4″mounting depth ≈ 5 1/8″magnet Ø≈ 6 3/8″
Cutout diameter≈ 9 3/4″
Mounting depth≈ 5 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 B2 Audio 10″ models