Panel Rocker Switch Bluetooth Controller & Receiver Upgrade your ride with the Diamond Audio BTR8 Panel Rocker Switch Bluetooth® Controller & Receiver, a compact and durable water-resistant Bluetooth audio controller designed for marine and powersports applications. Engineered to fit seamlessly into standard rocker switch panels, the BTR8 is ideal for small watercraft, motorcycles, golf carts, UTVs, and utility vehicles. The BTR8 Bluetooth receiver functions as a stand-alone wireless audio sourc
