Onkyo TX-RZ800 7.2-Channel Network A/V Receiver (Certified Refurbished) This Certified Refurbished product is tested & certified to look and work likenew. The product includes all original accessories, and is backed by a 1 year warranty. 185 W/Ch (6 Ohms, 1 kHz, 0.9% THD, 1 Channels Driven, FTC); 135 W/Ch; (8 Ohms, 20 Hz-20 kHz, 0.08% THD, 2 Channels Driven, FTC) and THX Select2 Plus Certified for Theater Reference Sound 4K/60 Hz, 4:4:4 Color Space, and HDCP 2.2 Capable HDMI Terminals for UltraHD Entertainment  Zone 2 HDMI Output for HD Video in a Second Room and Zone 2 Digital Audio and Network Audio Output Three-Stage Inverted Darlington Circuitry on All Channels and Customized Capacitors and Transformer for High-Current and Ultra-Low-Frequency Reproduction along with Vector Linear Shaping Circuitry (VLSC) Technology for Noise-free Signal Path DSD 5.6 MHz, FLAC 192 kHz/24-bit Hi-Res Audio Capable, and a 32-bit digital signal processor to extract every drop of performance from DTS:X and Dolby Atmos soundtracks