BTR4 - Water Resistant Rocker Switch Bluetooth Controller & Receiver 

Upgrade your powersports audio system with the Diamond Audio BTR4 Water Resistant Rocker Switch Bluetooth® Controller & Receiver, engineered for reliable wireless performance in demanding environments. Designed for motorcycles, small watercraft, golf carts, UTVs, ATVs, and utility vehicles, this compact Bluetooth audio controller delivers seamless streaming without the need for a traditional head unit.

The BTR4 Bluetooth receiver functions as either a stand-alone wireless source unit or an add-on controller for amplifier-based systems, giving you flexible installation options for custom builds. Its rocker switch design fits cleanly into standard dash panels and fairings, providing a factory-style appearance with simple, intuitive operation.

Built with a durable, water-resistant housing, the BTR4 is engineered to withstand moisture, vibration, and outdoor conditions common in marine and powersports applications. The illuminated backlit controls ensure easy visibility during night rides or low-light conditions, allowing convenient access to volume and playback functions.

With quick pairing, stable Bluetooth® connectivity, and clean signal output, the BTR4 rocker switch Bluetooth controller is ideal for upgrading motorcycle audio systems and compact marine setups.

For riders and enthusiasts seeking compact, weather-resistant Bluetooth streaming with reliable performance, the Diamond Audio BTR4 delivers powerful, cable-free sound control built for the road, trail, or water.