Black Hydra Delta 87X
| Model | Delta-87X |
| Type | Coaxial |
| Size | 11" |
| Frequency response | 130-20000 Hz |
| Package quantity | Pair |
| Voice coil size | 1.00" |
| Cone | Paper |
| Magnet | Ferrite |
| Voice coil wire | Copper |
| Surround | Foam |
| RMS Power | 60 W |
| MAX Power | 120 W |
| Frame | Steel |
| Impedance | 4 Ohm |
| SPL | 84.10 dB |
| Fs | 145.00 Hz |
| Cms | 0.23 |
| Mms | 5.13 |
| Qes | 0.89 |
| Qms | 8.51 |
| Qts | 0.81 |
| BL | 3.90 |
| Vas | 0.49 L |
| Mounting depth | 1.77" (45.0 mm) |
| Cut-out dimension | 3.11" (79.0 mm) |
| Gross weight | 2.31 lb (1.05 kg) |