| Brand | Kicx |
| Trade name | ST 4.90 |
| Model line-up | 2021 year |
| Type | car amplifier |
| Length | 372 mm |
| Width | 211 mm |
| Height | 55 mm |
| Channels | four-channel |
| Rated power (4 Ohm) | 320 |
| Power of channel 1 (4 Ohm) | 90 |
| Power of channel 2 (4 Ohm) | 90 |
| Power of channel 3 (4 Ohm) | 90 |
| Power of channel 4 (4 Ohm) | 90 |
| Ability to work at 2 Ohms | + |
| Impedance | 4 Ohm |
| Sensitivity | 90 dB |
| Frequency range from | 20 Hz |
| Frequency range up to | 20000 Hz |
| Amplifier class | AB |
| Warranty / Service | 12 months |
| Price per | pcs |