| Model | MF-15 D2 / MF-15 D4 |
| Type | Subwoofer |
| Size | 15 inch |
| Voice coil size | 3.00 inch |
| Cone | Paper |
| Magnet | Ferrite |
| Voice coil wire | CCAW |
| Surround | Foam |
| RMS Power | 800 W |
| MAX Power | 1600 W |
| Frame | Steel |
| Impedance | 2+2 / 4+4 Ohm |
| SPL | 87.00 / 87.00 dB |
| Fs | 35.00 / 35.00 Hz |
| Qts | 0.74 / 0.78 |
| BL | 15.20 / 21.20 |
| Vas | 71.20 / 65.80 L |
| Xmeh | 30.00 / 30.00 mm |
| Xmax | 15.00 / 15.00 mm |
| Mounting depth | 7.17 inch (182.0 mm) |
| Cut-out dimension | 13.94 inch (354.0 mm) |
| Gross weight | 24.03 lb (10.90 kg) |