Soundstream X-Pro 10 (2009)

10″ subwoofer · dual 4 Ω · 500 W RMS

Specs
34.9 HzFs
0.50Qts
1.03 ft³Vas
0.33″Xmax
All Thiele/Small parameters ↓
Weight & fit
5 1/4″Mounting depth
9″Cutout
500 WRMS · dual 4 Ω
Mounting drawing ↓
Box size
0.64 ft³ sealedoutside 12 3/16″ × 12 3/16″ × 11 13/16″ · F3 53 Hz
0.81 ft³ ported, 38 Hz15 3/16″ × 15 3/4″ × 12 3/8″ · port: slot 1 × 14 5/16″, 29 1/16″ long
Box details and plans ↓

The Soundstream X-Pro 10 (2009) is a 10″ subwoofer. With Qts 0.50 and EBP 64 it works both sealed and ported: sealed is tighter and smaller, ported is deeper and louder. Modest excursion (Xmax 0.33″) — for clean sound at moderate levels, not for SPL competitions.

Open ported box in designerOpen sealed box in designer
Sourceweb.archive.org · manufacturer data
Checked against sourceOctober 2026
Thiele/Small parameterscomplete
Mounting dimensions2 of 4 — missing: frame outer diameter, magnet diameter; the designer will use an estimate

Recommended box

For a sedan, one sub, 500 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

smaller, tighter
0.64 ft³ (18 L)
Net volume
Bass character (Qtc)Tight and punchy · 0.80
Fc56 Hz
F3 (−3 dB, no cabin gain)53 Hz
Example box (outside)12 3/16″ × 12 3/16″ × 11 13/16″
Open sealed box in designer

Ported

deeper, louder
0.81 ft³ (23 L)
Net volume
Tuning (Fb)38 Hz
Portslot 1 × 14 5/16″, 29 1/16″ long
Port velocity at 500 W69 ft/s
F3 (−3 dB, no cabin gain)38 Hz
Example box (outside)15 3/16″ × 15 3/4″ × 12 3/8″
Open ported box in designer

Deeper: 1.87 ft³ (53 L) tuned to 32 Hz, 31 1/2″ × 15 3/4″ × 11 5/8″ outside — a bigger box with flatter deep bass. Open in the calculator

Where to buy Amazon
203040506080100150200606672788490HzdB
Sealed Ported · SPL in dB at 1 W / 1 m, no cabin gain

Thiele/Small parameters

Size10″
Voice coilsdual 4 Ω
RMS power500 W
Fs34.9 Hz
Qts0.50
Qes0.548
Qms5.35
Vas1.03 ft³
Re (one coil)4 Ω
Sd48.7 in²
Xmax0.33″
Vd16.3 in³ calc.
Mms100 g calc.
BL12.7 T·m calc.
EBP64 — sealed or ported calc.
Sensitivity, 1 W / 1 m85.5 dB calc.

Mounting dimensions

Ø≈ 10 3/16″cutout Ø9″mounting depth 5 1/4″magnet Ø≈ 5 7/8″
Cutout diameter9″
Mounting depth5 1/4″

Where it fits in a vehicle

Spots from our vehicle guides where the cutout, mounting depth and recommended box fit. The spot sizes are approximate — measure your own vehicle.

“≈” 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 Soundstream 10″ models

Similar 10″ subwoofers from other brands

Close in Fs, Qts and Vas — a box of similar volume will suit them.

All 10″ subwoofers in our database →

FAQ

What box does the Soundstream X-Pro 10 (2009) need?

Recommended net volume: 0.64 ft³ sealed, 0.81 ft³ ported tuned to 38 Hz — for one sub in a sedan at 500 W. Fit the box to your space and amp in the free calculator, with plans and a cut sheet.

What are the Soundstream X-Pro 10 (2009) Thiele/Small specs?

Fs 34.9 Hz, Qts 0.50, Vas 1.03 ft³, Xmax 0.33″, Sd 48.7 in².

What is the Soundstream X-Pro 10 (2009) mounting depth?

Mounting depth is 5 1/4″, cutout diameter 9″. The inside depth of the box must exceed the mounting depth by at least 1″.

How much power does the Soundstream X-Pro 10 (2009) handle and how do I wire it?

RMS power rating: 500 W. Dual 4 Ω voice coils: series gives 8 Ω, parallel gives 2 Ω at the amp. Wiring for several subs and amp power — in the wiring calculator.

Is the Soundstream X-Pro 10 (2009) better sealed or ported?

EBP 64: both work — sealed 0.64 ft³ is tighter and smaller, ported 0.81 ft³ tuned to 38 Hz is deeper and louder.

What port does the Soundstream X-Pro 10 (2009) need?

For the 0.81 ft³ ported box tuned to 38 Hz: slot 1 × 14 5/16″, 29 1/16″ long, area 14.1 in²; or a round port Ø4 1/4″, ≈ 29 1/16″ long. Port air speed at 500 W: 69 ft/s.

What box do two Soundstream X-Pro 10 (2009) subs need?

Two subs need twice the volume: 1.27 ft³ sealed, or 1.62 ft³ ported at the same 38 Hz tuning with twice the port area. One shared chamber or one per sub — whatever fits your vehicle.