IPX6 marine-grade waterproof wireless BT audio controller. Includes public address and broadcasting microphones. Bluetooth 5.0 with a wireless range of 30+ ft. Compact flush-mount design with integrated power wiring. USB input and 3.5mm AUX input for versatile audio options. RCA pre-amp outputs for external amplifier connections. Compatible with smartphones, tablets, laptops, and computers. Anti-thump and soft turn on/off features for smooth operation.