" Delivers 51 channels of powerful sound 175 Watts to provide high power and wide dynamic range with low distortion for a superb surround sound listening experiencebr Features Audyssey Silver - with Audyssey MultEQ Audyssey Dynamic Volume and Audyssey Dynamic EQ to enhance the performance of any home theater systembr Extensive networking with AirPlay Pandora Spotify Sirius XMbr Simple easy setup with Denon Setup Assistant - on-screen graphical display with clear text and icons so you can easily make adjustments and settings during setupbr 6 HDMI inputs 5 rear 1 front 1 output Built-in USB port supports digital music playback and charging from an iPod iPhone iPad or other USB device br Denon AVR-X1000 5.