This Aviom A640 personal mixer doesn't come with a power supply but can be powered through PoE, offering flexible power options.

Using the Aviom A640 personal mixer is easy. First, connect it to your audio source. Since it doesn't have a power supply, use PoE to power it up. When setting it up, make sure your network can support PoE. Adjust the audio levels according to your needs. As for maintenance, keep it in a dry and clean place. Avoid exposing it to extreme temperatures or humidity. Regularly check the connections to ensure stable performance. And remember, this mixer relies on PoE for power, so maintain a good network connection.