Featuring the latest high resolution audio decoders such as Dolby TrueHD and DTS-HD Master Audio, the Marantz SR5009 7.2 Network Home Theater A/V Receiver also includes Dolby Pro Logic IIz decoding so you can connect front height speakers for a dramatically expanded front soundstage. Enjoy a whole new world of music listening via your home network with your choice of thousands of internet radio stations available from subscription streaming services including Sirius XM, Spotify, Pandora, Deezer and QQ music (subscriptions required).