Onkyo TX-NR414 5.1-Channel Network A/V Receiver(Black) (Discontinued by Manufacturer) Internet Radio and Cloud Music Streaming Service Connectivity w/ control via Onkyo Remote Apps InstaPrevue? Port Management Technology iPod/iPhone Direct Digital Connection through USB and Firmware Updates via Ethernet and USB 6 HDMI Inputs and 1 Outputs with support for 3D and Audio Return Channel Zone 2 Line Out. Impedence : 1-16 ohms