Product Description
DLS MRA31 - 3 CH Marine Amplifier
DLS MRA31 is a three channel amplifier with a nominal output of 2 x 65 Watts + 1 x 170 Watts (1 x 280 Watts in 2 ohm).
The perfect amplifier for a standard installation with a front system in stereo and a subwoofer
- Built-in high-pass, low-pass and subsonic filters.
- Variable phase control on sub channel.
- Protection circuits shut down the amplifier in the event of overloads.
- High level input with auto start. The PC-board is protected against damp with a protective layer of laquer.
- RMS output power @ 13,8 V, 20Hz - 20 kHz
| Description / type | Stereo amplifier for marine use |
| Number of channels | 3 |
| Amplifier class | AB |
| Output power in 4 ohm | 2 x 65 W RMS |
| Output power in 2 ohm | 2 x 90 W RMS |
| Mono sub channel 4 ohm | 170 W RMS |
| Mono sub channel 2 ohm | 280 W RMS |
| Mono bridge mode 4 ohm | 200 Watt RMS |
| Damping factor | > 100 |
| S/N ratio, A-weighted | > 100 dB |
| Frequency range | 10 Hz - 35 kHz |
| Input sensitivity | 0,25 - 5 Volt |
| Input impedance | >10 kohm |
| Input impedance, high level | 100 ohm |
| Filters channel A & B | HP: 50 - 150 Hz |
| Filter sub channel | LP: 50 - 120 Hz + subsonic 25 Hz |
| Low level output | Yes |
| High level input with auto start | Yes |
| Remote phase shift control | No |
| Phase control for subwoofers | 0-180 degrees cont. variable |
| Power consumption (idle) | 1 A |
| Power consumption (max) | 60 A |
| Voltage | 12 - 15 volt DC |
| Rec. power cable | Minimum 4AWG / 21 mm2 |
| Fuses | 2 x 30 A |
| Dimension (W x D x H) | 70 x 357 x 268 mm (2,92 x 14,06 x 10,55 inch) |
| Weight | 4 kg / 8,8 lbs |
