The Sony STR-DN1070 is a 7.1 channel, 165-watt per channel (6 ohms, 1 kHz, 0.9% THD) A/V receiver, released around 2016, featuring 4K/60p (4:4:4) and HDR compatibility via HDMI 2.0 (6-in/2-out, HDCP 2.2). Key features include built-in Wi-Fi, Bluetooth with LDAC, Apple AirPlay, Chromecast built-in, and high-resolution audio support (DSD, PCM). included are a 7.1 channel surround speakers with Yamaha mains .