Specifications
| Model | DB-3512R D2 / DB-3512 D1 |
| Type | Subwoofer |
| Size | 12 inch |
| Voice coil size | 3.50 inch |
| Cone | Carbon |
| Magnet | Ferrite |
| Surround | Foam |
| RMS Power | 3500 W |
| MAX Power | 7000 W |
| Frame | Alu |
| Impedance | 2+2 / 1+1 Ohm |
| SPL | 86.80 / 86.80 dB |
| Fs | 32.50 / 32.50 Hz |
| Qts | 0.39 / 0.39 |
| BL | 24.80 / 24.80 |
| Vas | 28.90 / 28.90 L |
| Xmeh | 45.00 45.00 / 45.00 mm |
| Xmax | 22.50 / 22.50 mm |
| Mounting depth | 9.6 inch (244.0 mm) |
| Cut-out dimension | 11.18 inch (284.0 mm) |