This Movek myMix Personal Monitor Mixer is a great choice without a power - supply hassle. It can be powered via PoE, offering convenience and flexibility.

Using this Movek myMix Personal Monitor Mixer is easy. First, connect it to your audio source. Since it doesn't come with a power supply, make sure to use PoE to power it up. When using, adjust the volume and sound settings according to your needs. As for maintenance, keep it in a dry and clean place. Avoid exposing it to extreme temperatures or humidity. If there are any issues, check the PoE connection first.