CMX BT-510A Wireless Bluetooth Speaker CMX Audio ,4 x10W (one active+ 3 passive)All in one compact active or powered ceiling mount loudspeaker. Built in 5 full rang ceiling speaker and power amplifier. Ideal applications for washroom, bathroom and SPA. With Bluetooth for iphone, ipad and any mobile control. Use Bluetooth wireless send music to speaker without cable. Wireless communication distance up to 50 meters. Rated power output of 4 x10W ABS white enclosure, white metal grille and white ABS back cover. Shielded signal