HiFi Amplifier - 2.0, with output of 50 W/channel, minimum impedance of 4 Ohm, 1 × speaker output and 1 × output, 1 × optical input, 1 × LAN input, 1 × coaxial audio input, 2 × USB input, 1 × headphone output, Spotify, Tidal and Amazon Music HD, Bluetooth headset connection, control via a smart device