Denon AVC-X4800H 9.4 Channel AV Amplifier Designed and manufactured in Japan, the powerful AVR-X4800H drives 9.4 channels of amplification. With Dolby Atmos and DTS:X, plus IMAX Enhanced and Auro 3D, the AVC-X4800H envelops larger living spaces in breathtaking 3D audio. With HEOS Built-in, wirelessly stream your favorite music. Enveloping 3D audio: Feel like you're in the center of the action with enveloping 3D sound. Expert ready: Take advantage of the wide variety of configuration options to best fit your space. Denon craftsmanship: Designed and manufactured at Denon facilities in Japan and tuned by the Denon Sound Master. Optimize for your room: Enhance performance with room correction options from Audyssey (installed) or Dirac Live (optional, with future update).