This Movek myMix Personal Monitor Mixer doesn't come with a power supply, but it can get power through PoE. There are a couple of known issues. The cover of the main knob is gone, yet the knob still works. Also, the screen has some scratches on it.

Using this Movek myMix Personal Monitor Mixer is easy. First, since it doesn't have a power supply, you need to connect it to a PoE source to power it up. When you turn it on, even though the main knob cover is missing, don't worry as the knob still functions properly. Just turn it gently to adjust the settings. As for the screen, despite the scratches, it won't affect the mixer's performance. When it comes to maintenance, keep it in a dry and clean place. Avoid exposing it to extreme temperatures or humidity. If you notice any further issues, it's best to consult a professional.