| Brand | Mystery |
| Trade name | MR 4.75 |
| Type | car amplifier |
| Length | 290 mm |
| Width | 263 mm |
| Height | 51 mm |
| Channels | four-channel |
| Rated power (4 Ohm) | 300 |
| Maximum power | 480 W |
| Power of channel 1 (4 Ohm) | 75 |
| Power of channel 2 (4 Ohm) | 75 |
| Power of channel 3 (4 Ohm) | 75 |
| Power of channel 4 (4 Ohm) | 75 |
| Ability to work at 2 Ohms | + |
| SNR, however | 95 dB |
| HDF, no more | 0,0003% |
| Built-in crossover | + |
| Frequency range from | 20 Hz |
| Frequency range up to | 22000 Hz |
| Amplifier class | AB |
| Coloration | silver |
| Manufacturer | China |
| Warranty / Service | 12 months |
| Price per | pcs |