| Model | MLA-4120 |
| Class | AB |
| Number of the channels | 4 |
| Frequency response | 10-20000 Hz |
| 2 Ohm RMS Power (14.4 V) | 150 W x 4 |
| 4 Ohm RMS Power (14.4 V) | 120 W x 4 |
| 4 Ohm RMS Power (Bridge) | 300 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 | 10-12000 Hz |
| High pass filter | 10-12000 Hz |
| LPF and HPF simultaneous operation | True |
| Crossover | 12 dB/Oct |
| Input terminal | 4 Ga |
| Output terminal | 8 Ga |
| Working voltage | 10 - 15 V |
| Signal-to-noise ratio | ≥ 91 dB |
| Size (W×L×H) | 15.55 × 8.50 × 1.97 inch |
| Gross weight | 9.04 lb (4.10 kg) |