This Marantz receiver is mint new condition, it was babied with the highest care. Appears unused and in perfect condition. Completely tested and a beautiful piece of equipment. 7.2 channel with the latest Dolby Atmos and DTS:X surround processing formats and their virtualization technology 4K Ultra High-Def video upscaling and HDMI pass-through feature with HCDP 2.3 support. Wireless network control with HEOS (Home Entertainment Operating System) feature. 7 x 100 W powerful onboard amplifier.