| Brand | Pioneer |
| Trade name | GM-A4704 |
| Type | car amplifier |
| Length | 326 mm |
| Width | 215 mm |
| Height | 60 mm |
| Channels | four-channel |
| Rated power (4 Ohm) | 260 |
| Maximum power | 520 W |
| Power of channel 1 (4 Ohm) | 40 |
| Power of channel 2 (4 Ohm) | 40 |
| Power of channel 3 (4 Ohm) | 40 |
| Power of channel 4 (4 Ohm) | 40 |
| Ability to work at 2 Ohms | + |
| SNR, however | 94 dB |
| HDF, no more | 0,0005% |
| High-level input | + |
| Built-in crossover | + |
| Frequency range from | 10 Hz |
| Frequency range up to | 70000 Hz |
| Amplifier class | AB |
| Warranty / Service | 12 months |
| Price per | pcs |