7.2 channel, DTS Neo:X (7.1ch), Audyssey DSX, Dolby Pro Logic IIz * 4K Ultra HD video scaling and pass-through; Networking with AirPlay, Pandora, Spotify, & Sirius XM Internet Radio * 2-zone/2-source via variable pre-outs and Amplified zone with Digital-in Zone out * New easy to use speaker connectors (horizontal layout and new binding-type speaker terminals with color label) * Warranty for the Item is 3 Years