Vibe Audio BlackAir 12 D2 (BA12D2-V5)
12″ subwoofer · dual 2 Ω · 800 W RMS
The Vibe Audio BlackAir 12 D2 (BA12D2-V5) is a 12″ subwoofer. With Qts 0.46 and EBP 61 it works both sealed and ported: sealed is tighter and smaller, ported is deeper and louder.
| Source | vibeaudio.co.uk · 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, 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) | Flat and accurate · 0.76 |
|---|---|
| Fc | 53 Hz |
| F3 (−3 dB, no cabin gain) | 53 Hz |
| Example box (outside) | 14 3/16″ × 14 3/16″ × 9 11/16″ |
Ported
deeper, louder| Tuning (Fb) | 34 Hz |
|---|---|
| Port | slot 1 9/16 × 14 5/16″, 39 9/16″ long |
| Port velocity at 800 W | 67 ft/s |
| F3 (−3 dB, no cabin gain) | 32 Hz |
| Example box (outside) | 20 3/4″ × 15 3/4″ × 14″ |
Deeper: 1.87 ft³ (53 L) tuned to 30 Hz, 31 1/2″ × 15 3/4″ × 13 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 | 12″ |
|---|---|
| Voice coils | dual 2 Ω |
| RMS power | 800 W |
| Fs | 32.1 Hz |
| Qts | 0.46 |
| Qes | 0.525 |
| Qms | 3.44 |
| Vas | 1.19 ft³ |
| Re (one coil) | 1.7 Ω |
|---|---|
| Sd | 74.9 in² |
| Xmax | 0.59″ |
| Vd | 44.2 in³ calc. |
| Mms | 243 g calc. |
| BL | 12.6 T·m calc. |
| EBP | 61 — sealed or ported calc. |
| Sensitivity, 1 W / 1 m | 85.2 dB calc. |
Mounting dimensions
| Cutout diameter | 10 13/16″ |
|---|---|
| Mounting depth | 6 3/4″ |
| Overall diameter | 12 1/16″ |
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.
- Bronco 4-door — behind the rear seat sealed and ported box
- Wrangler 4-door, hard top — behind the rear seat sealed and ported box
- Wrangler 4-door, soft top — behind the rear seat sealed and ported box
- Silverado / Sierra Crew Cab — under the rear seat sealed and ported box
- Spare tire well sealed box
- FJ Cruiser — behind the rear seat sealed and ported box
- El Camino 1978–87 — behind the seat sealed and ported box
- Cherokee XJ — cargo area, spare moved out sealed and ported box
- Excursion — behind the third row sealed and ported box
- Mustang 2015–2023 coupe — trunk sealed and ported box
- Challenger / Charger — trunk sealed and ported box
- Club Car Precedent — under the rear seat sealed and ported box
“≈” 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 Vibe Audio 12″ models
- Vibe Audio BlackAir 12 D2 (BLACKAIR12D2-V7) 12″ · dual 2 Ω
- Vibe Audio BlackAir 12 D2 (V4) 12″ · dual 2 Ω
- Vibe Audio BlackAir 12 D2S (BLACKAIR12D2S-V3) 12″ · dual 2 Ω
- Vibe Audio BlackDeath 12 D1 SPL (BD12D1SPL-V4) 12″ · dual 1 Ω
- Vibe Audio BlackDeath 12 D2 (BD12D2-V4) 12″ · dual 2 Ω
- Vibe Audio BlackDeath 12 D2 SPL (BD12D2SPL-V4) 12″ · dual 2 Ω
- Vibe Audio BlackDeath 12 D4 (BD12D4-V4) 12″ · dual 4 Ω
- Vibe Audio BlackDeath 12 HEX D1 (BLACKDEATH12HEX-V7) 12″ · dual 1 Ω
- Vibe Audio BlackDeath Comp 12 HEX D1 (BLACKDEATHC12HEX-V7) 12″ · dual 1 Ω
- Vibe Audio Pulse 12 (PULSE12-V0) 12″ · 4 Ω
- Vibe Audio Pulse 12 D2 (PULSE12D2-V3) 12″ · dual 2 Ω
- Vibe Audio Slick 12 D2 (SLICK12D2-V0) 12″ · dual 2 Ω
Similar 12″ subwoofers from other brands
Close in Fs, Qts and Vas — a box of similar volume will suit them.
- American Bass ELITE-1244 0.71 ft³ sealed · 1.27 ft³ ported
- Phoenix Gold Ti212D4 (Ti2, DVC 4 ohm) 0.74 ft³ sealed · 1.31 ft³ ported
- Audioque SDC2.512 D4 0.71 ft³ sealed · 1.20 ft³ ported
- Rockford Fosgate Power T112D2 (2004) 0.67 ft³ sealed · 1.13 ft³ ported
- Rockville W12K9D2 V3 0.78 ft³ sealed · 2.30 ft³ ported
- Zetta Audio V-12 950 (4 Ohm) 0.74 ft³ sealed · 1.27 ft³ ported
All 12″ subwoofers in our database →
FAQ
What box does the Vibe Audio BlackAir 12 D2 (BA12D2-V5) need?
Recommended net volume: 0.67 ft³ sealed, 1.20 ft³ ported tuned to 34 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 Vibe Audio BlackAir 12 D2 (BA12D2-V5) Thiele/Small specs?
Fs 32.1 Hz, Qts 0.46, Vas 1.19 ft³, Xmax 0.59″, Sd 74.9 in².
What is the Vibe Audio BlackAir 12 D2 (BA12D2-V5) mounting depth?
Mounting depth is 6 3/4″, cutout diameter 10 13/16″. The inside depth of the box must exceed the mounting depth by at least 1″.
How much power does the Vibe Audio BlackAir 12 D2 (BA12D2-V5) handle and how do I wire it?
RMS power rating: 800 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 Vibe Audio BlackAir 12 D2 (BA12D2-V5) better sealed or ported?
EBP 61: both work — sealed 0.67 ft³ is tighter and smaller, ported 1.20 ft³ tuned to 34 Hz is deeper and louder.
What port does the Vibe Audio BlackAir 12 D2 (BA12D2-V5) need?
For the 1.20 ft³ ported box tuned to 34 Hz: slot 1 9/16 × 14 5/16″, 39 9/16″ long, area 22.6 in²; or a round port Ø5 3/8″, ≈ 39 9/16″ long. Port air speed at 800 W: 67 ft/s.
What box do two Vibe Audio BlackAir 12 D2 (BA12D2-V5) subs need?
Two subs need twice the volume: 1.34 ft³ sealed, or 2.40 ft³ ported at the same 34 Hz tuning with twice the port area. One shared chamber or one per sub — whatever fits your vehicle.