JBL MS-10SD2

10″ subwoofer · dual 2 Ω · 300 W RMS

Fs 34 HzQts 0.39Vas 1.31 ft³Xmax 0.24″

Recommended box

For a sedan, one sub, 300 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 volume0.46 ft³ (13 L)
Qtc0.77
Fc67 Hz
F3 (−3 dB, no cabin gain)66 Hz
Example box (outside)12 3/16″ × 12 3/16″ × 9 3/16″
Open sealed box in designer

Ported

Net volume1.31 ft³ (37 L)
Tuning (Fb)36 Hz
Portslot 1 9/16 × 14 5/16″, 31 11/16″ long
Port velocity at 300 W48 ft/s
F3 (−3 dB, no cabin gain)35 Hz
Example box (outside)31 1/2″ × 15 3/4″ × 9 3/16″
Open ported box in designer
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Fs34 Hz
Qts0.39
Qes0.4
Qms16.49
Vas1.31 ft³
Re (one coil)1.85 Ω
Sd51.2 in²
Xmax0.24″
Vd12.1 in³ calc.
Mms91 g calc.
BL9.5 T·m calc.
EBP85 — sealed or ported calc.
Sensitivity, 1 W / 1 m87.6 dB calc.

General

Size10″
Voice coilsdual 2 Ω
RMS power300 W

Mounting dimensions

Ø10 3/4″cutout Ø9 1/16″mounting depth 5 11/16″magnet Ø≈ 5 7/8″
Cutout diameter9 1/16″
Mounting depth5 11/16″
Overall diameter10 3/4″

Judging by its value, the published Re is for both coils in series — converted to per coil.

“≈” 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 JBL 10″ models