NAD Electronics M17 Preamp Processor - Black The Masters Series M17 has wide-ranging audio and video connectivity, including 7.1-channel XLR outputs. Digital video and audio circuit boards can be swapped out for upgraded versions as technology evolves, for a future-proof design. Dolby® and DTS® surround sound decoding, including Dolby TrueHD and DTS Master AudioAudyssey MultiEQ auto speaker calibration for precise surround sound tailored to your room and setup (microphone included)Modular Design Construction — digital inputs/outputs are installed on a removable circuit board, allowing future upgradesincludes coupon for free HDMI 2.0 module when availableNADs Enhanced Ambience Retrieval System (EARS) technology uses a stereo recordings ambient sound to create a vivid surround sound signaltouch-panel display offers easy settings changes and menu selectionsMulti-room Audio:four-zone/four-source outputanalog stereo outputs for second zoneanalog stereo tape outputs can be used for output in a third and fourth zoneZone 2 also has an independent composite video feeddigital audio sources are converted to analog for playback in Zone 2optical/coaxial digital and HDMI audio sources cannot be output to Zones 3 and 45 A/V presets for customizing sources, speakers, and settings for easy one-touch recallremote control HDMI audio/video switching: 6 in, 2 out (parallel)component video switching: 2 in, 1 outcomposite video switching: 3 in , 2 outdigital audio inputs: 4 optical, 4 coaxialdigital audio outputs: 2 optical, 2 coaxial7 pairs of analog stereo audio inputs, including 2 with tape outputsno phono input — to connect a turntable youll need to add a phono preamp7-channel balanced XLR and unbalanced RCA preamp outputs for connection to a power amp2 preamp outputs for powered subwoofersEthernet portRS-232C port for automated control systems12-volt trigger and remote (IR) in/out17-1/8W x 6-3/16H x 15-1/4Dweight: 24 lbs. NOTE: About 5 years old. Excellent condition with no scratches. Remotes have never been used but the HTRM2 is missing the battery cover at the bottom. Power cord not included.