Test report about Stereo amplifiers from Audiovision

Pioneer SC-LX56, 9.2 channel AV receiver, AirPlay, 4k pass

Yamaha RX-A2020, 9.2 channel Aventage receiver, AirPlay, 4k

Denon AVR-3313, 7.2 AV receiver, AirPlay, 4k, 3 HDMI OUT

Onkyo TX-NR818, 7.2 AV Receiver, HQV Vida, Spotify, Silver

Sony Str-Da3700es