Boss Audio Systems B40RGB are 4" 2-Way Amplified Marine Grade Roll Cage/Waketower Speaker Pods, featuring Bluetooth® controller and built-in amplifier with multicolor and multipattern illumination options.

These weather-resistant speakers are perfect for adding some tunes to your next outdoor adventure, whether you're on the boat, at the beach, or just hanging out in the backyard. The built-in amplifier provides plenty of power to fill your space with rich, full sound, and the Bluetooth® controller makes it easy to stream music wirelessly from your smartphone or other Bluetooth-enabled device.