| Brand | DLS |
| Trade name | A4 Ultimate |
| Type | car amplifier |
| Length | 465 mm |
| Width | 240 mm |
| Height | 73 mm |
| Channels | four-channel |
| Maximum power | 880 W |
| Power of channel 1 (4 Ohm) | 85 |
| Power of channel 2 (4 Ohm) | 85 |
| Power of channel 3 (4 Ohm) | 85 |
| Power of channel 4 (4 Ohm) | 85 |
| Ability to work at 2 Ohms | + |
| Ability to work at 1 Ohms | + |
| SNR, however | 100 dB |
| Built-in crossover | + |
| Frequency range from | 10 Hz |
| Frequency range up to | 50000 Hz |
| Amplifier class | AB |
| Color | silver |
| Manufacturer | Sweden |
| Warranty / Service | 12 months |
| Price per | pcs |