Marantz SR6009 7.2 Network AV Receiver (Certified Refurbished) This Certified Refurbished product is tested & certified by Marantz to look and work likenew. The product includes all original accessories, and is backed by a 1 year warranty. The SR6009 can upscale 1080p content to 4K and also upscale and transcode HD and SD analog video sources, so you can connect modern as well as legacy video sources and run just a single HDMI cable to your flat panel TV or projector. Conforming to the latest HDMI and HDCP specifications, the SR6009 features 8 HDMI inputs (including a convenient HDMI input on the front panel), and there are 2 HDMI outputs, which lets you send your selected source to a flat panel TV, with another HDMI input that lets you send another source to another room. Dolby TrueHD is supported by HDMI, the singlecable digital connection for highdefinition audio and video. Dolby TrueHD will be transmitted via HDMI 1.3a and is compatible with HDMI 1.1 as an outputted HD 7.1 PCM multichannel signal. See 'HD  7.1 PCM Multichannel' DTSHD Master Audio is an optional High Definition Audio format for all Bluray Disc products. DTSHD Master Audio format allows a bittobit representation of the original movie's studio master soundtrack and delivers audio at high constant bit rates superior to standard DVDs.