| Model | M12D2 / M12D4 |
| Type | Subwoofer |
| Size | 12 inch |
| Voice coil size | 2,50 inch |
| Cone | Paper |
| Magnet | Ferrite |
| Voice coil wire | Copper |
| Surround | Foam |
| RMS Power | 350 W |
| MAX Power | 1000 W |
| Frame | Steel |
| Impedance | 2+2 / 4+4 Ohm |
| SPL | 87,79 / 86,87 dB |
| Fs | 33,10 / 34,60 Hz |
| Qts | 0,55 / 0,52 |
| BL | 15,83 / 20,93 |
| Re | 1,4+1,4 / 2,8+2,8 |
| Vas | 37,93 / 37,93 L |
| Xmeh | 28,00 / 28,00 mm |
| Xmax | 14,00 / 14,00 mm |
| Mounting depth | 6,06 inch (154,0 mm) |
| Cut-out dimension | 11,02 inch (280,0 mm) |
| Gross weight | 14,99 lb (6,80 kg) |