Marantz NR1605 7.1 Slim Line 4K Ultra HD A/V Receiver with Wi-Fi and Bluetooth (Discontinued by Manufacturer) 7.1ch, 50W(8ohm, 20Hz-20kHz,THD:0.08%), 100 (6ohms, 1kHz, 0.7%THD) HDMI ver.2.0 - 8 inputs / 2 outputs Built-in Wi-Fi and Bluetooth ECO mode 4K/60Hz/4:4:4 Pure Color full-rate pass-through Analog to HDMI video conversion 4K Ultra HD video up scaling Networking: AirPlay, Android push playback, Internet Radio, Pandora, Spotify Connect, Sirius XM, DSD play back, DLNA 1.5 Audyssey MultEQ, Dynamic EQ & Dynamic Volume Dolby PlL2z Digital audio inputs: 1 Opt /1 Coax Audio: 3in, Video: CVBS 3in/1 out, Component 2in/1out Front panel USB input with iPod digital direct