Fusion Entertainment SG-DA41400 Signature Series 4 Channel Marine Amplifier Powerful, rock-the-boat sound! 1400 watts of class D output will run up to 4 pairs of speakers 4-Channel, 1400 watt, class-d amplifier Can amplify up to pairs of Fusion speakers (speakers run in Parallel on 4-channels) 2-ohm Stable 1-piece heavy-duty die cast chassis, 5-way circuitry protection - thermal/reversed power polarity/DC offset protection/high + low voltage Flfc low frequency control-accurate fine tuning of frequency response