This receiver is a masterpiece of audio engineering, the unit is used and has visible wear which you can see in the pictures however sound wise this thing will blow your mind !! ***the receiver weights about 42 pounds The TX-NR929 Network A/V Receiver comes loaded with technology to transform your home into high-resolution heaven. The bounty includes inbuilt Wi-Fi for app-controllable network audio streaming, Bluetooth wireless audio technology, and an expanded selection of online streaming services. Add speakers in two other rooms to distribute music throughout your home, or take advantage of the extra HDMI® output to enjoy HD content on a second display. This heavyweight THX® Select2™ Plus powerhouse has the features to make movie night an unforgettable event, with premium Audyssey MultEQ® XT32 equalization, DTS Neo:X™ upmixing to 11.1 channels (9.2 powered channels just just add a stereo power amp for complete 11.2), and universal app control across all three powered zones. With a total of nine 4K-ready HDMI inputs including the frontside MHL™, 4K video upscaling, and a deep reservoir of amplification power to draw upon, this receiver is ready to unveil the full potential of your favorite media. Here is more info about the unit from onkyo website: ADVANCED FEATURES THX® Select2™ Plus Certified 4K Passthrough and Upscaling from Source Devices via HDMI® Built-in Wi-Fi-Certified Wireless LAN Capability Onboard Bluetooth Audio Streaming Technology Three-Stage Inverted Darlington Circuitry on All Channels HDMI Video Upscaling to 4K with Qdeo™ Technology by Marvell ISF (Imaging Science Foundation) Image Calibration for Assignable Video Inputs Zone 2 HDMI Output for HD Video in a Second Room MHL™ (Mobile High-Definition Link) for 1080p Smartphone Media on HDTV Internet Radio and Music Streaming Service Connectivity (TuneIn Radio, Spotify, and AUPEO!)*1 Playback of Audio Files Over the Wireless Home Network (MP3, WMA, WMA Lossless, FLAC, WAV, Ogg Vorbis, AAC, Apple...