Marantz NR1605 | 7.1 Network 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 warranty. With the builtin WiFi, the NR1605 can tap into your home's broadband wireless network so you can enjoy listening to your favorite internet radio stations, as well as enjoy tracks from subscription streaming services including Pandora, SiriusXM and Spotify (not all services available in all markets). You can also wirelessly access your favorite tracks on your DLNAcompliant PC or Mac. Featuring no less than 8 HDMI inputs (including 1 conveniently located on the front panel), the NR1605 also has the ability to pass full rate 4K Ultra HD 60 Hz content via the Bluray and Game inputs, a feature of the latest HDMI specification, so you'll be fully prepared for the next generation in high resolution video. The NR1605 is certified by the Imaging Science Foundation to deliver top video quality, and the unit also features advanced ISFccc video calibration controls that allow for precision finetuning of the connected HDTV, even if it's not an ISF certified set. Our exclusive onscreen Setup Assistant lets you quickly and easily configure the NR1605 correctly the very first time, and the included measurement microphone ensures the correct settings for your particular speaker system.