Professional home theater from Yamaha. Amplifier Yamaha RX-V565 7.1 channel home theater receiver, supports 90W per channel (RMS). Does not support Bluetooth. 1 remote control 6 speakers 2 large speakers model NS-50F with 240W power 2 side speakers model NS-E55 with 150W power 1 center speaker NS-C55 with 180W power 1 subwoofer YST-SW315, home subwoofer with power up to 270W and equipped with a 10-inch driver for deep and clear bass sounds for movies and music. The amplifier has a problem: it turns on and off. A video is attached showing the problem. I have not tried to fix it. For sale as is.