Series: Apocalypse
| Model | DB-3515 D1 / DB-3515 D2 |
| Type | Subwoofer |
| Size | 15 inch |
| Voice coil size | 3,50 inch |
| Cone | Carbon |
| Magnet | Ferrite |
| Voice coil wire | None |
| Surround | Foam |
| RMS Power | 3000 W |
| MAX Power | 6000 W |
| Frame | Alu |
| Impedance | 1+1 / 2+2 Ohm |
| SPL | 87,30 / 87,50 dB |
| Fs | 32,00 / 32,30 Hz |
| Qts | 0,38 / 0,39 |
| BL | 23,90 / 27,20 |
| Vas | 68,30 / 69,00 L |
| Xmeh | 45,00 / 45,00 mm |
| Xmax | 22,50 / 22,50 mm |
| Mounting depth | 10,96 inch (278,5 mm) |
| Cut-out dimension | 13,98 inch (355,0 mm) |
| Gross weight | 22,05 lb (10,00 kg) |
