The audio system Bestsboy is a British brand, which is better. The mixer is from Hanle, which is a no-name brand. I have never used it. PAM360 and DVON are both power amplifiers. If they are connected together to play music, the connection is as follows: First, you need to A sound source, and then the sound source is output to the mixer. The output of the mixer is then sent to the power amplifier. Two audio cables come out of the power amplifier and are then connected to the speakers. Then turn on the sound source, the mixer, the power amplifier, and connect the Just push the fader up to make a sound! I can’t quite see what that DTECH is, but it seems like there are two wireless microphones on it!