Surrender to the sound with Fusion Apollo™ coaxial marine speakers, and enjoy immersive, high-fidelity audio on the water. Complete the look, and customize your speakers with the included interchangeable grilles (sports white or sports gray is included; others are sold separately). Showcase your boat with the dual-hue LED lighting rings that provide a unique look. These speakers deliver premium audio at higher volumes, thanks to the updated motor designs that reduce distortion for a premium sound experience. Pair the speakers with the Fusion Apollo™ amplifier (sold separately), and enjoy impressive output. Installation is easy, thanks to the embedded water-resistant connectors. Fusion Apollo speakers have been tested to stringent standards and are built to withstand abuse in harsh marine environments (in accordance with IP66/IP67 ratings and ISO 12216 standards).