" Six mid- to high-range 15transducers deliver accurate Omni-directional sound while a 45subwoofer gives rich powerful bassbr Custom stereo-widening DSP audio technology is engineered for room-filling full frequency soundbr Built-in Bluetooth feature streams audio from your Bluetooth devices wirelesslybr Built-in Apple AirPlay system has easy set-up for use with all your Apple devices and DLNA for Windows and Androidbr Customized Harman Kardon Remote app allows for easy set-up and added connectivity br Harman Kardon Aura Wireless Stereo Speaker System (White)"