Fusion apollo 140w marine zone amplifier provides audio zone expansion for high-quality sound in more areas on your boat. With 20-watt RMS per channel (at 4 ohms), 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&trade app on a compatible smartphone). RMS Power - 20-watt RMS per channel (at 4 ohms), allowing you to add an extra pair of speakers on board. Easy Tune Feature - Automatically adjusts audio settings for the best possible sound quality with no manual adjustments required (Requires setup using the Fusion-Link app on a compatible smartphone). LED Indicator - Show issues with electrical currents and shorts as well as temperature. Less Total Harmonic Distortion - The amplifier is designed with minimal distortion and noise, allowing for better quality audio. Ignition Protected - Intelligent electronic fuse prevents damage from over/under current, temperature, output short and other faults. Conformal Coated PCBs - The amplifier circuit board has been specially coated to provide enhanced protection from the marine elements. Powder Coated Aluminum Finish - Salt fog, temperature, vibration and UV tested with a modern aesthetic design to add style to your boat. Easy Installation - A mounting bracket is included in the box allowing you to simply clip the amplifier in place for a clean finish. 12- and 24-Volt Compatible - The zone amplifier is designed to work with both 12- and 24-volt electrical systems. Technical Specifications: Peak Power - 140 Watts, Power at 4 ohm - 20 Watt RMS, Power at 2 ohm - 30 Watt RMS, Operating Voltage - 10.8 to 32 VDC, Class D Amplifier, Water Rating - IPX7. In the Box: One Apollo zone amplifier, One mounting bracket, Three 6-gauge, self-tapping screws, Wiring loom, Installation instructions, Important safety and product information (ISPI).