| 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) |