Audiobahn AW1508T
15″ subwoofer · dual 2 Ω · 2,000 W RMS
The Audiobahn AW1508T is a 15″ subwoofer. With Qts 0.32 and EBP 79 it works both sealed and ported: sealed is tighter and smaller, ported is deeper and louder.
| Source | web.archive.org · manufacturer data |
|---|---|
| Checked against source | October 2026 |
| Thiele/Small parameters | complete |
| Mounting dimensions | 3 of 4 — missing: magnet diameter; the designer will use an estimate |
Recommended box
For a sedan, one sub, 2,000 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
smaller, tighter| Bass character (Qtc) | Dry and tight · 0.61 |
|---|---|
| Fc | 54 Hz |
| F3 (−3 dB, no cabin gain) | 67 Hz |
| Example box (outside) | 17 5/16″ × 17 5/16″ × 10 11/16″ |
Ported
deeper, louder| Tuning (Fb) | 31 Hz |
|---|---|
| Port | slot 4 1/8 × 16 11/16″, 48 5/8″ long |
| Port velocity at 2,000 W | 63 ft/s |
| F3 (−3 dB, no cabin gain) | 30 Hz |
| Example box (outside) | 31 1/2″ × 18 1/8″ × 21 7/16″ |
Deeper: 2.22 ft³ (63 L) tuned to 33 Hz, 31 1/2″ × 18 1/8″ × 15 5/16″ outside — a bigger box with flatter deep bass. Open in the calculator
Projects with this subwoofer
Boxes that users designed and published: plans, cut sheet and response graph.
Thiele/Small parameters
| Size | 15″ |
|---|---|
| Voice coils | dual 2 Ω |
| RMS power | 2,000 W |
| Fs | 28.4 Hz |
| Qts | 0.32 |
| Qes | 0.36 |
| Qms | 2.95 |
| Vas | 3.11 ft³ |
| Re (one coil) | 1.9 Ω |
|---|---|
| Sd | 116.3 in² |
| Xmax | 0.79″ |
| Vd | 91.5 in³ calc. |
| Mms | 284 g calc. |
| BL | 16.4 T·m calc. |
| EBP | 79 — sealed or ported calc. |
| Sensitivity, 1 W / 1 m | 89.5 dB calc. |
Mounting dimensions
| Cutout diameter | 14″ |
|---|---|
| Mounting depth | 8 1/4″ |
| Overall diameter | 15 1/2″ |
“≈” 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
- web.archive.org/web/20060317155907/http://www.audiobahn.com/Audiobahn06/images/t
- web.archive.org/web/20060317160244/http://www.audiobahn.com/Audiobahn06/images/t
- web.archive.org/web/20060317161951/http://www.audiobahn.com/Audiobahn06/images/t
Other Audiobahn 15″ models
- Audiobahn ALUM15N 15″ · dual 6 Ω
- Audiobahn ALUM15Q 15″ · dual 6 Ω
- Audiobahn ALUM15X 15″
- Audiobahn AW150Q 15″
- Audiobahn AW150T 15″ · 4 Ω
- Audiobahn AW150XS 15″
- Audiobahn AW151T 15″ · 4 Ω
- Audiobahn AW152N 15″ · 4 Ω
- Audiobahn AW152T 15″
- Audiobahn AW1500N 15″
- Audiobahn AW1500Q 15″
- Audiobahn AW1500V 15″ · dual 4 Ω
Similar 15″ subwoofers from other brands
Close in Fs, Qts and Vas — a box of similar volume will suit them.
- Crescendo Audio Contralto 15 D1 1.39 ft³ sealed · 3.67 ft³ ported
- Pride BB.3 15 D2 1.13 ft³ sealed · 3.64 ft³ ported
- AMPIRE BLACK15.2 1.45 ft³ sealed · 4.06 ft³ ported
- Hifonics ZRX15D2 1.13 ft³ sealed · 3.71 ft³ ported
- Pride T V.3 15 D1 1.24 ft³ sealed · 3.96 ft³ ported
- Pride T V.3 15 D2 1.24 ft³ sealed · 3.96 ft³ ported
- Pride M.45 15 D0.75 (M45.15D07) 1.64 ft³ sealed · 3.85 ft³ ported
FAQ
What box does the Audiobahn AW1508T need?
Recommended net volume: 1.18 ft³ sealed, 3.46 ft³ ported tuned to 31 Hz — for one sub in a sedan at 2,000 W. Fit the box to your space and amp in the free calculator, with plans and a cut sheet.
What are the Audiobahn AW1508T Thiele/Small specs?
Fs 28.4 Hz, Qts 0.32, Vas 3.11 ft³, Xmax 0.79″, Sd 116.3 in².
What is the Audiobahn AW1508T mounting depth?
Mounting depth is 8 1/4″, cutout diameter 14″. The inside depth of the box must exceed the mounting depth by at least 1″.
How much power does the Audiobahn AW1508T handle and how do I wire it?
RMS power rating: 2,000 W. Dual 2 Ω voice coils: series gives 4 Ω, parallel gives 1 Ω at the amp. Wiring for several subs and amp power — in the wiring calculator.
Is the Audiobahn AW1508T better sealed or ported?
EBP 79: both work — sealed 1.18 ft³ is tighter and smaller, ported 3.46 ft³ tuned to 31 Hz is deeper and louder.
What port does the Audiobahn AW1508T need?
For the 3.46 ft³ ported box tuned to 31 Hz: slot 4 1/8 × 16 11/16″, 48 5/8″ long, area 69 in²; or a round port Ø9 3/8″, ≈ 48 5/8″ long. Port air speed at 2,000 W: 63 ft/s.
What box do two Audiobahn AW1508T subs need?
Two subs need twice the volume: 2.37 ft³ sealed, or 6.92 ft³ ported at the same 31 Hz tuning with twice the port area. One shared chamber or one per sub — whatever fits your vehicle.