Storm Series
| Model | SST-3012D2 / SST-3012D4 |
| Type | Subwoofer |
| Size | 12 inch |
| Voice coil size | 3.00 inch |
| Cone | Paper |
| Magnet | Ferrite |
| Voice coil wire | Copper |
| Surround | Foam |
| RMS Power | 1200 W |
| MAX Power | 2400 W |
| Frame | Steel |
| Impedance | 2+2 / 4+4 Ohm |
| SPL | 84.00 / 84.00 dB |
| Fs | 46.00 / 46.00 Hz |
| Qts | 0.82 / 1.20 |
| BL | 14.68 / 13.35 |
| Vas | 9.53 / 10.15 L |
| Xmeh | 36.00 / 36.00 mm |
| Xmax | 18.00 / 18.00 mm |
| Mounting depth | 7.01 inch (178.0 mm) |
| Cut-out dimension | 10.98 inch (279.0 mm) |
| Gross weight | 25.57 lb (11.60 kg) |