Storm Series
| Model | SST-3015D2 / SST-3015D4 |
| Type | Subwoofer |
| Size | 15 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 | 85,00 / 85,00 dB |
| Fs | 42,00 / 42,00 Hz |
| Qts | 0,94 / 1,06 |
| BL | 15,54 / 14,86 |
| Vas | 31,80 / 23,79 L |
| Xmeh | 36,00 / 36,00 mm |
| Xmax | 18,00 / 18,00 mm |
| Mounting depth | 7,34 inch (186,5 mm) |
| Cut-out dimension | 13,88 inch (352,6 mm) |
| Gross weight | 27,34 lb (12,40 kg) |