This STRDN1050 7.1 channel HD A/V receiver from Sony is Bluetooth & NFC compatible meaning that this is the first receiver to be capable of NFC one-touch connectivity for instant wireless playback from your Smartphone or other NFC compatible device.7.1 channel surround sound gives you complete immersion in sound when connected with 7 speakers plus a subwoofer. Playback is also possible from USB (Universal Serial Bus) devices & formats such as the high quality DSD are compatible thanks to the advanced technology of the STRDN1050. Using the free Song Pal app you can also use your Smartphone as a wireless remote control for the STRDN1050 for easy & convenient operation of your system.7.1 channel HD A/V receiver DSD format compatible USB playback Bluetooth & NFC wireless connectivity Song Pal Smartphone app enabled General Amp. Channel 7ch Front Input 6 HDMI2 Component Video (Assignable)2 Composite Audio In / Out / TV CEC4/-/ Component Video In/ Out (HD Pass through) 2/1HDMI In/ Out 6/3 Optical In/ Out: Including Front In 2/-Coaxial In/ Out 1/-Ethernet (Switching Hub) 1 (-) Pre Out SW x 2USB Yes (Front) Sound Decoding Format / Sound Field LPCM 192k Hz/24b Yes (PCM) Dolby True HD / Dolby Digital Plus / DTS-HD Yes/ Yes/ Yes DTS-ES MATRIX 6.1 / DTS-ES DISCRETE 6.1 Yes/ Yes DTS / DTS 96/24 / DTS NEO:6 Yes/ Yes/-Dolby Digital / Dolby Digital EX Yes/ Yes Dolby Prologic / II / IIx Yes/ Yes/ Yes Dolby Dual Mono Yes HDMI Quality & Video Details HDMI CEC Bravia Sync HDMI Video Handling 1080P1080/24p Yes Deep Colour Yesx.v. Colour Yes Tuner Preset Channel (FM/AM) Yes/ Yes Station Name Yes Auto Tuning Yes (GUI) Direct Tuning Yes (GUI)