Audiobahn AWP212
12″ subwoofer · 450 W RMS
| Source | web.archive.org · manufacturer data |
|---|---|
| Checked against source | October 2026 |
| Thiele/Small parameters | not in the spec sheet: Sd — typical value for the size used |
| Mounting dimensions | 3 of 4 — missing: magnet diameter; the designer will use an estimate |
Recommended box
For a sedan, one sub, 450 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 · 0.81 |
|---|---|
| Fc | 42 Hz |
| F3 (−3 dB, no cabin gain) | 39 Hz |
| Example box (outside) | 31 1/2″ × 15 3/4″ × 8 3/4″ |
Ported
deeper, louder| Tuning (Fb) | 30 Hz |
|---|---|
| Port | slot 1 9/16 × 14 5/16″, 25 3/4″ long |
| Port velocity at 450 W | 60 ft/s |
| F3 (−3 dB, no cabin gain) | 29 Hz |
| Example box (outside) | 31 1/2″ × 15 3/4″ × 12 3/4″ |
Deeper: 2.93 ft³ (83 L) tuned to 29 Hz, 31 1/2″ × 15 3/4″ × 15 3/8″ 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 | 12″ |
|---|---|
| Voice coils | — |
| RMS power | 450 W |
| Fs | 25.6 Hz |
| Qts | 0.49 |
| Qes | 0.57 |
| Qms | 3.68 |
| Vas | 2.90 ft³ |
|---|---|
| Re | 3.35 Ω |
| Sd | ≈ 76 in² |
| Xmax | 0.43″ |
| EBP | 45 — suits sealed calc. |
| Sensitivity, 1 W / 1 m | 85.8 dB calc. |
Mounting dimensions
| Cutout diameter | 11 1/4″ |
|---|---|
| Mounting depth | 5 3/8″ |
| Overall diameter | 12 3/4″ |
“≈” 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 12″ models
- Audiobahn ALUM12 12″
- Audiobahn ALUM12N 12″ · dual 6 Ω
- Audiobahn ALUM12Q 12″ · dual 6 Ω
- Audiobahn ALUM12X 12″
- Audiobahn AW120Q 12″
- Audiobahn AW120SVC 12″
- Audiobahn AW120T 12″ · 4 Ω
- Audiobahn AW120XS 12″
- Audiobahn AW121T 12″ · 4 Ω
- Audiobahn AW122N 12″ · 4 Ω
- Audiobahn AW122T 12″
- Audiobahn AW1200 12″
Similar 12″ subwoofers from other brands
Close in Fs, Qts and Vas — a box of similar volume will suit them.
- Rockford Fosgate Punch P2D2-12 2.01 ft³ sealed · 1.59 ft³ ported
- Infinity Reference 1240W 1.55 ft³ sealed · 2.40 ft³ ported
- Infinity Reference 1250W 1.55 ft³ sealed · 2.40 ft³ ported
- JL Audio 12W1v3-4 1.77 ft³ sealed · 1.62 ft³ ported
- MTX Audio T81244A 1.91 ft³ sealed · 2.47 ft³ ported
- Rockford Fosgate Punch HX2 RFD2212 1.55 ft³ sealed · 2.12 ft³ ported
FAQ
What box does the Audiobahn AWP212 need?
Recommended net volume: 1.73 ft³ sealed, 2.26 ft³ ported tuned to 30 Hz — for one sub in a sedan at 450 W. Fit the box to your space and amp in the free calculator, with plans and a cut sheet.
What are the Audiobahn AWP212 Thiele/Small specs?
Fs 25.6 Hz, Qts 0.49, Vas 2.90 ft³, Xmax 0.43″.
What is the Audiobahn AWP212 mounting depth?
Mounting depth is 5 3/8″, cutout diameter 11 1/4″. The inside depth of the box must exceed the mounting depth by at least 1″.
How much power does the Audiobahn AWP212 handle and how do I wire it?
RMS power rating: 450 W. Wiring for several subs and amp power — in the wiring calculator.