When your music plays in your car, it celebrates the road trips and the nights out, its the soundtrack to your sad tunes while the rain falls, it sings your favorite jam to cheer you up. Enjoy all those moments and songs from your music library or streaming apps, thanks to the Boss Audio 500W 4 Channel Full Range Class A/B Amplifier. This car audio amp features a thermal protection circuit that avoids serious electric damage, a USB port for charging devices, an aux input and Bluetooth for connecting to your device, and a multi function remote that controls your music and turns it on or off. This all terrain, weather proof amp lets you enjoy your favorite music in your favorite ride.