Amplify the moment with an Apollo™ marine amplifier – designed specifically for use with your Fusion® DSP-enabled marine stereo and Fusion speakers. This efficient zone amplifier provides audio zone expansion for high-quality sound in more areas on your boat. With 20-watt RMS per channel (at 4 ohm), this 2 channel amplifier allows you to add an extra pair of 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).