| Model | MA-80.4 |
| Class | AB |
| Number of the channels | 4 |
| Frequency response | 10 - 20000 Hz |
| 2 Ohm RMS Power (14.4 V) | 120 W x 4 |
| 4 Ohm RMS Power (14.4 V) | 80 W x 4 |
| 4 Ohm RMS Power (Bridge) | 240 W x 2 |
| Minimum permissible load on the channel | 2 Ohm |
| Minimum permissible load in a bridge connection | 4 Ohm |
| Input SPL | 0.2 - 6 V |
| Low pass filter | 50 - 500 Hz |
| High pass filter | 20 - 6000 Hz |
| LPF and HPF simultaneous operation | True |
| Crossover | 12 dB/Oct |
| Input terminal | 4 Ga |
| Output terminal | 8 Ga |
| Damping factor | ≥ 150 |
| Working voltage | 9 - 15 V |
| Signal-to-noise ratio | ≥ 105 dB |
| Size (W×L×H) | 15.39 × 6.26 × 2.34 inch |
| Gross weight | 7.28 lb (3.30 kg) |