| Model | M15 v2 D2 / M15 v2 D4 |
| Type | Subwoofer |
| Size | 15 inch |
| Voice coil size | 2,50 inch |
| Cone | Paper |
| Magnet | Ferrite |
| Voice coil wire | Copper |
| Surround | Foam |
| RMS Power | 500 W |
| MAX Power | 1000 W |
| Frame | Steel |
| Impedance | 2+2 / 4+4 Ohm |
| SPL | 89,20 / 89,60 dB |
| Fs | 29,50 / 29,10 Hz |
| Qts | 0,54 / 0,62 |
| BL | 25,26 / 26,17 |
| Re | 1,8+1,8 / 3,6+3,6 |
| Vas | 80,42 / 82,14 L |
| Xmeh | 28,00 / 28,00 mm |
| Xmax | 14,00 / 14,00 mm |
| Mounting depth | 6,94 inch (176,2 mm) |
| Cut-out dimension | 13,60 inch (345,5 mm) |
| Gross weight | 20,72 lb (9,40 kg) |