Sony SRSX9 High-Resolution NFC Bluetooth Wi-Fi Speaker System Sophisticated sound with 154 Watts digital amplification Seven speakers for immersive sound (45 Hz to 40 kHz) Dual passive radiators and Magnetic Fluid Speaker for incredible sound Wi-Fi audio streaming with DLNA and AirPlay support Supports High-Resolution audio playback of AALC, FLAC, AIFF, and DSD formats