How many watts does haimei ml800pa power amplifier have?

Haimei ml800pa power amplifier 300-500 watts. The best power amplifier for Haimei ml800pa transistors and integrated circuits is 300-500 watts, which does not require much electricity. The electron tube doesn't work. The power pump is like a double 100 watt, and the electric power will not be less than 800 watts.