MusicCast uses your Wi-Fi network to stream music wirelessly through your home. With MusicCast you can play the same music in all rooms or different music in each room. Both receiver and speaker features Bluetooth. 5.1 Channel MusicCast AV Receiver. Supports HDMI 4K pass-through. YPAO sound optimization. AV Controller app manages receiver through smartphone. MusicCast Wireless Speaker Black. Features a passive radiator and onboard music enhancer. 30 W Power output.