2019 Marantz Home Theater Receiver LineupDolby and DTS surround sound decoding. IR in/out and 12-volt triggers. Denon avr-x4500h 9.2-ch home theater receiver with wi-fi, bluetooth, & amazon ale digital audio inputs 2 optical, 2 coaxial. We are here to serve you best! 5 analog stereo RCA audio inputs. Audyssey speaker calibration and system optimization includes.