| Model | MS-12D2 / MS-12D4 |
| Type | Subwoofer |
| Size | 12 inch |
| Voice coil size | 2,00 inch |
| Cone | Plastic |
| Magnet | Ferrite |
| Voice coil wire | Copper |
| Surround | Foam |
| RMS Power | 250 W |
| MAX Power | 500 W |
| Frame | Steel |
| Impedance | 2+2 / 4+4 Ohm |
| SPL | 88,43 / 87,54 dB |
| Fs | 29,30 / 29,20 Hz |
| Qts | 0,49 / 0,60 |
| BL | 15,91 / 16,32 |
| Re | 1,8+1,8 / 3,6+3,6 |
| Vas | 82,61 / 83,95 L |
| Xmeh | 20,00 / 20,00 mm |
| Xmax | 10,00 / 10,00 mm |
| Mounting depth | 5,53 inch (140,5 mm) |
| Cut-out dimension | 11,19 inch (284,2 mm) |
| Gross weight | 13,34 lb (6,05 kg) |