This efficient zone amplifier provides audio zone expansion for high-quality sound in more areas on your boat. With 150-watts RMS per channel (at 4 ohm), this amplifier allows you to add extra speakers on board. The Easy Tune feature automatically regulates audio settings for the best sound quality without manual adjustments (Requires setup using the Fusion-Link™ app on a compatible smartphone). Produces impressive power with less drain on your batteryEasy Tune feature automatically regulates audio settings2 Ohm stable, connect up to two speakers per channel, increasing setup options.LED indicators to identify electrical issues at a glanceIgnition ProtectedTrue marine design offers Conformal coated circuit board and protection against salt fog, temperature, vibration and UV.Compatible with 12-volt electrical systems.Mounting brackets, connectors and hardware included