Audiopipe TXX-BD1-15
15″ subwoofer · dual 4 Ω · 800 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 |
- Fs, Vas and Sd don't match the moving mass of 241 g (they give 175 g) — one of the spec sheet values is probably wrong.
Recommended box
For a sedan, one sub, 800 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 · 0.80 |
|---|---|
| Fc | 55 Hz |
| F3 (−3 dB, no cabin gain) | 52 Hz |
| Example box (outside) | 31 1/2″ × 18 1/8″ × 10 9/16″ |
Ported
deeper, louder| Tuning (Fb) | 33 Hz |
|---|---|
| Port | slot 2 3/8 × 16 11/16″, 19 1/2″ long |
| Port velocity at 800 W | 61 ft/s |
| F3 (−3 dB, no cabin gain) | 35 Hz |
| Example box (outside) | 31 1/2″ × 18 1/8″ × 17 3/8″ |
Deeper: 5.12 ft³ (145 L) tuned to 35 Hz, 31 1/2″ × 18 1/8″ × 21 7/16″ 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 4 Ω |
| RMS power | 800 W |
| Fs | 30 Hz |
| Qts | 0.44 |
| Qes | 0.53 |
| Qms | 2.5 |
| Vas | 5.83 ft³ |
| Re (one coil) | 3.6 Ω |
|---|---|
| Sd | 131.8 in² |
| Xmax | 0.16″ |
| Vd | 20.7 in³ calc. |
| Mms | 175 g calc. |
| BL | 15 T·m calc. |
| EBP | 57 — sealed or ported calc. |
| Sensitivity, 1 W / 1 m | 91.3 dB calc. |
Mounting dimensions
| Cutout diameter | 14 5/16″ |
|---|---|
| Mounting depth | 7 1/16″ |
| Overall diameter | 15 11/16″ |
“≈” 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 Audiopipe 15″ models
- Audiopipe TS-AR15 15″ · 4 Ω
- Audiopipe TS-PP3-15-D4 15″ · dual 4 Ω
- Audiopipe TXX-APC-15 15″ · dual 4 Ω
- Audiopipe TXX-BD2-15 15″ · dual 4 Ω
- Audiopipe TXX-BD3-15 15″ · dual 4 Ω
- Audiopipe TXX-BD3-15D2 15″ · dual 2 Ω
- Audiopipe TXX-BD4-15 15″ · dual 4 Ω
Similar 15″ subwoofers from other brands
Close in Fs, Qts and Vas — a box of similar volume will suit them.
- Fi Audio FiDay 15 1.73 ft³ sealed · 3.71 ft³ ported
- Deaf Bonce Apocalypse DB-SA415 D1 1.61 ft³ sealed · 3.67 ft³ ported
- Deaf Bonce Apocalypse DB-SA415 D2 1.61 ft³ sealed · 3.67 ft³ ported
- Bomber Bicho Papão 800W 4 Ohm (SW15BP-800-4) 2.90 ft³ sealed · 3.25 ft³ ported
- Gladen M 15 (SVC 4 ohm) 2.93 ft³ sealed · 3.81 ft³ ported
- Audiobahn AW150XS 2.83 ft³ sealed · 3.67 ft³ ported
FAQ
What box does the Audiopipe TXX-BD1-15 need?
Recommended net volume: 2.47 ft³ sealed, 3.92 ft³ ported tuned to 33 Hz — for one sub in a sedan at 800 W. Fit the box to your space and amp in the free calculator, with plans and a cut sheet.
What are the Audiopipe TXX-BD1-15 Thiele/Small specs?
Fs 30 Hz, Qts 0.44, Vas 5.83 ft³, Xmax 0.16″, Sd 131.8 in².
What is the Audiopipe TXX-BD1-15 mounting depth?
Mounting depth is 7 1/16″, cutout diameter 14 5/16″. The inside depth of the box must exceed the mounting depth by at least 1″.
How much power does the Audiopipe TXX-BD1-15 handle and how do I wire it?
RMS power rating: 800 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.