| Brand | Cadence |
| Trade name | QR 80.3 |
| Type | car amplifier |
| Length | 310 mm |
| Width | 160 mm |
| Height | 52 mm |
| Channels | three-channel |
| Rated power (4 Ohm) | 560 |
| Power of channel 1 (4 Ohm) | 80 |
| Power of channel 2 (4 Ohm) | 80 |
| Power of channel 3 (4 Ohm) | 400 |
| Ability to work at 2 Ohms | + |
| HDF, no more | 0,0007% |
| Impedance | 4 Ohm |
| Sensitivity | 90 dB |
| Frequency range from | 20 Hz |
| Frequency range up to | 30000 Hz |
| Amplifier class | D |
| Manufacturer | China |
| Warranty / Service | 12 months |
| Price per | pcs |