| 模型 | MMA-270D |
| Class | D |
| Number of the channels | 2 |
| 频率响应 | 10-22000 Hz |
| 2 Ohm RMS Power (14.4 V) | 90 W x 2 |
| 4 Ohm RMS Power (14.4 V) | 70 W x 2 |
| 4 Ohm RMS Power (Bridge) | 180 W x 1 |
| Minimum permissible load on the channel | 2 Ohm |
| Minimum permissible load in a bridge connection | 4 Ohm |
| Input SPL | 0.2 - 6 V |
| 低通滤波器 | 50-500 Hz |
| 高通滤波器 | 50-500 Hz |
| Crossover | 12 dB/Oct |
| 阻尼因子 | ≥ 100 |
| Working voltage | 9 - 15 V |
| Signal-to-noise ratio | ≥ 88 dB |
| Size (W×L×H) | 5.20 × 7.95 × 1.85 inch |
| Gross weight | 3.75 lb (1.70 kg) |