Sky High Car Audio FE-12 D2
12″ subwoofer · dual 2 Ω · 700 W RMS
| Source | skyhighcaraudio.com · 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, 700 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) | Boomy, with a bump · 1.07 |
|---|---|
| Fc | 47 Hz |
| F3 (−3 dB, no cabin gain) | 37 Hz |
| Example box (outside) | 14 3/16″ × 14 3/16″ × 21 11/16″ |
Ported
deeper, louder| Tuning (Fb) | 33 Hz |
|---|---|
| Port | slot 1 3/4 × 14 5/16″, 25 3/4″ long |
| Port velocity at 700 W | 60 ft/s |
| F3 (−3 dB, no cabin gain) | 32 Hz |
| Example box (outside) | 31 1/2″ × 15 3/4″ × 12 3/16″ |
Deeper: 3.04 ft³ (86 L) tuned to 34 Hz, 31 1/2″ × 15 3/4″ × 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 | 700 W |
| Fs | 29.8 Hz |
| Qts | 0.68 |
| Qes | 0.78 |
| Qms | 5.52 |
| Vas | 2.62 ft³ |
| Re (one coil) | 1.9 Ω |
|---|---|
| Sd | 78.6 in² |
| Xmax | 0.59″ |
| Vd | 46.4 in³ calc. |
| Mms | 140 g calc. |
| BL | 8 T·m calc. |
| EBP | 38 — suits sealed calc. |
| Sensitivity, 1 W / 1 m | 86 dB calc. |
Mounting dimensions
| Cutout diameter | 10 7/8″ |
|---|---|
| Mounting depth | 6 13/16″ |
| Overall diameter | 12 3/8″ |
Cone area (Sd) calculated from Fs, Vas and Mms: 78.6 in².
“≈” 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 Sky High Car Audio 12″ models
- Sky High Car Audio BMX-12 D1 12″ · dual 1 Ω
- Sky High Car Audio BMX-12 D2 12″ · dual 2 Ω
- Sky High Car Audio FE-12 D4 12″ · dual 4 Ω
- Sky High Car Audio FEX-12 D2 12″ · dual 2 Ω
- Sky High Car Audio FEX-12 D4 12″ · dual 4 Ω
- Sky High Car Audio FMX-12 D1 12″ · dual 1 Ω
- Sky High Car Audio FMX-12 D2 12″ · dual 2 Ω
- Sky High Car Audio FXB-12 D2 12″ · dual 2 Ω
- Sky High Car Audio FXB-12 D4 12″ · dual 4 Ω
- Sky High Car Audio FXXL-12 D1 12″ · dual 1 Ω
- Sky High Car Audio FXXL-12 D2 12″ · dual 2 Ω
Similar 12″ subwoofers from other brands
Close in Fs, Qts and Vas — a box of similar volume will suit them.
- MTX Audio T6124 1.94 ft³ sealed · 2.22 ft³ ported
- Pioneer TS-W304R 1.80 ft³ sealed · 2.19 ft³ ported
- MTX Audio TR12-04 1.91 ft³ sealed · 2.05 ft³ ported
- MD.Lab SW-ES12 1.73 ft³ sealed · 2.19 ft³ ported
- Kicker Solo-Baric L5 12" 4-Ohm DVC (S12L54) 2.30 ft³ sealed · 2.08 ft³ ported
- Rockford Fosgate Prime R2SD2-12 (Shallow) 1.87 ft³ sealed · 1.84 ft³ ported
FAQ
What box does the Sky High Car Audio FE-12 D2 need?
Recommended net volume: 1.80 ft³ sealed, 2.08 ft³ ported tuned to 33 Hz — for one sub in a sedan at 700 W. Fit the box to your space and amp in the free calculator, with plans and a cut sheet.
What are the Sky High Car Audio FE-12 D2 Thiele/Small specs?
Fs 29.8 Hz, Qts 0.68, Vas 2.62 ft³, Xmax 0.59″, Sd 78.6 in².
What is the Sky High Car Audio FE-12 D2 mounting depth?
Mounting depth is 6 13/16″, cutout diameter 10 7/8″. The inside depth of the box must exceed the mounting depth by at least 1″.
How much power does the Sky High Car Audio FE-12 D2 handle and how do I wire it?
RMS power rating: 700 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.