Audiobahn DUB500
15″ subwoofer · 500 W RMS
| 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, 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| Bass character (Qtc) | Tight and punchy · 0.93 |
|---|---|
| Fc | 43 Hz |
| F3 (−3 dB, no cabin gain) | 37 Hz |
| Example box (outside) | 31 1/2″ × 17 11/16″ × 11 5/8″ |
Ported
deeper, louder| Tuning (Fb) | 33 Hz |
|---|---|
| Port | slot 1 9/16 × 16 5/16″, 21 11/16″ long |
| Port velocity at 500 W | 54 ft/s |
| F3 (−3 dB, no cabin gain) | 32 Hz |
| Example box (outside) | 31 1/2″ × 17 11/16″ × 12 3/16″ |
Deeper: 4.63 ft³ (131 L) tuned to 31 Hz, 31 1/2″ × 17 11/16″ × 19 13/16″ 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 | — |
| RMS power | 500 W |
| Fs | 29.7 Hz |
| Qts | 0.64 |
| Qes | 0.77 |
| Qms | 3.79 |
| Vas | 3.05 ft³ |
| Re | 1.5 Ω |
|---|---|
| Sd | 119.4 in² |
| Xmax | 0.31″ |
| Vd | 37.6 in³ calc. |
| Mms | 279 g calc. |
| BL | 10.1 T·m calc. |
| EBP | 39 — suits sealed calc. |
| Sensitivity, 1 W / 1 m | 86.7 dB calc. |
Mounting dimensions
| Cutout diameter | 13 5/8″ |
|---|---|
| Mounting depth | 7 1/8″ |
| Overall diameter | 15 1/8″ |
“≈” 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 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.
- Diamond CM315D2 2.79 ft³ sealed · 2.44 ft³ ported
- DC Audio Level 3 M3 15 D1 2.90 ft³ sealed · 2.40 ft³ ported
- DC Audio Level 3 M3 15 D2 2.90 ft³ sealed · 2.40 ft³ ported
- DC Audio Level 3 M3 15 D4 2.90 ft³ sealed · 2.40 ft³ ported
- Audioque SDC2.515 D4 2.83 ft³ sealed · 2.51 ft³ ported
- Skar Audio SDR-15 D2 2.65 ft³ sealed · 3.74 ft³ ported
FAQ
What box does the Audiobahn DUB500 need?
Recommended net volume: 2.72 ft³ sealed, 2.44 ft³ ported tuned to 33 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 Audiobahn DUB500 Thiele/Small specs?
Fs 29.7 Hz, Qts 0.64, Vas 3.05 ft³, Xmax 0.31″, Sd 119.4 in².
What is the Audiobahn DUB500 mounting depth?
Mounting depth is 7 1/8″, cutout diameter 13 5/8″. The inside depth of the box must exceed the mounting depth by at least 1″.
How much power does the Audiobahn DUB500 handle and how do I wire it?
RMS power rating: 500 W. Wiring for several subs and amp power — in the wiring calculator.