Onkyo TX-NR545 7.2-Channel Network A/V Receiver (Certified Refurbished) This Certified Refurbished product is tested & certified to look and work like-new. The product includes all original accessories, and is backed by a 1 year warranty. This 7.1-channel receiver can power a 5.1.2-channel Dolby Atmos speaker setup: 5.1 standard surround configuration plus two in-ceiling or height channels: 5.1.2. All HDMI terminals support the latest TV video displays, and with three of six inputs handling HDCP 2.2 copy protection encoded in content from movie studios, broadcasters, and streaming services, for next-generation UltraHD Discrete Amps deliver high instantaneous current to increase speaker control for accurate and dynamic audio reproduction Built-in Bluetooth, Wi-Fi and Airplay (including Pandora and Spotify) to stream virtually any audio from your smartphone, tablet, or PC to your home theater for clear and powerful sound