Audioque HDC415-D1-A
15″ subwoofer · dual 1 Ω · 2,000 W RMS
Fs 39 HzQts 0.35Vas 1.10 ft³
Recommended box
For a sedan, one sub, 2,000 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
| Net volume | 1.17 ft³ (33 L) |
|---|---|
| Qtc | 0.49 |
| Fc | 54 Hz |
| F3 (−3 dB, no cabin gain) | 90 Hz |
| Example box (outside) | 17 5/16″ × 17 5/16″ × 10 9/16″ |
Ported
| Net volume | 2.05 ft³ (58 L) |
|---|---|
| Tuning (Fb) | 33 Hz |
| Port | slot 2 9/16 × 16 11/16″, 45 13/16″ long |
| Port velocity at 2,000 W | 87 ft/s |
| F3 (−3 dB, no cabin gain) | 32 Hz |
| Example box (outside) | 31 1/2″ × 18 1/8″ × 13 13/16″ |
Thiele/Small parameters
| Fs | 39 Hz |
|---|---|
| Qts | 0.35 |
| Qes | 0.373 |
| Qms | 5.2 |
| Vas | 1.10 ft³ |
| Re (one coil) | 0.92 Ω |
| Sd | 107.3 in² |
| Xmax | ≈ 0.39″ |
| Mms | 363 g calc. |
| BL | 14.8 T·m calc. |
| EBP | 105 — suits ported calc. |
| Sensitivity, 1 W / 1 m | 89 dB calc. |
General
| Size | 15″ |
|---|---|
| Voice coils | dual 1 Ω |
| RMS power | 2,000 W |
Mounting dimensions
| Cutout diameter | ≈ 14″ |
|---|---|
| Mounting depth | 8 1/8″ |
| Magnet diameter | 10″ |
Judging by its value, the published Re is for both coils in series — converted to per coil.
“≈” 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 Audioque 15″ models
- Audioque HDC315-A D1 15″ · dual 1 Ω
- Audioque SDC2.515 D4 15″ · dual 4 Ω