Denon AVR-2313CI Networking Home Theater Receiver with AirPlay and Powered Zone 2 (Discontinued by Manufacturer) Fully discrete power amplifiers for all 7 channels (105 W x 7 ch, 8ohm 20-20kHz 0.05%). Delivers the legendary sound quality youve come to expect from Denon. 3D pass-through technology Enjoy 3D video entertainment with dynamic surround sound. 4K video support (4K video upscaling, video passthrough and GUI overlay) Front Panel USB Input Direct digital play for iPod, iPhone and USB drives. AUDYSSEY MultEQ XT Award-Winning technology helps create an optimal acoustic profile for your home theater.