6-Channel Signature Series Marine Amplifier by Fusion Entertainment. Fusion Signature Series amplifiers are purpose-built for the marine environment. Boasting some of the most impressive environmental protection available, they deliver a Signature performance on the water like never before. This amplifier also features a True-Marine design that will resist corrosion. Its incredible 1500 Watt peak power will power up to 6 pairs of speakers at 2 Ohms (2 x 4 Ohm speakers per channel in parallel) or up to 4 pairs of speakers at 2 Ohms (2 x 4 Ohm speakers per channel in parallel) and 1 subwoofer. RCA line-level inputs allow for easy connection to new or existing systems. Fusion's first 6 channel, Class-D Hi-Fi marine amplifier. The key benefit of a Class-D amplifier is that it has a low battery drain with high output, making this the perfect amplifier for the marine environment. The SG-DA61500 also has conformal coated PCBs for maximum product life and performance, plus the amplifier chassis is a heat sink, to reduce component core temperature and increase efficiency.