The Wireless BT Audio Controller Kit with Bluetooth receiver and handheld microphone brings seamless audio streaming and communication to your marine or off-road audio system. Designed with marine-grade, weatherproof construction, this compact yet powerful controller withstands tough environments, ensuring consistent performance whether on the water, on the road, or off the beaten path. The kit includes a built-in Bluetooth adapter for stereo receiver compatibility, allowing you to wirelessly connect and stream from any BT-enabled device, including smartphones, tablets, and laptops, with an impressive range of over 30 feet. The universal mounting options make it versatile for use on cars, trucks, ATVs, UTVs, boats, and more. The included compact, IPX6-rated microphone is ideal for broadcasting announcements, easily fitting into your dash with a microphone hanger for secure placement. With a volume control and override feature, it pauses Bluetooth playback for clear, undisturbed announcements, making it perfect for both public address and personal communication needs. The controller's audio system includes a 3.5mm AUX input and USB for playing music files directly, delivering full-range stereo sound through pre-amp RCA outputs, compatible with various amplifiers. Equipped with an anti-thump on/off function and overload protection, this marine Bluetooth receiver offers smooth, reliable operation in any conditions. It is user-friendly, with soft turn on/off options and a front panel for easy adjustments. The IPX6 weatherproof rating, along with water-resistant, rugged construction, ensures durability and optimal performance in any environment, making it a perfect addition for any onboard audio entertainment setup.