This Aviom A-16R rack-mounted personal mixer comes with the correct power supply. One thing to note is that the Mix In knob has a scratchy feel.

Using this Aviom A - 16R personal mixer is quite straightforward. First, connect it to the correct power supply that comes with it. Make sure the connection is secure. When you're using the mixer, be gentle with the Mix In knob since it's a bit scratchy. Don't turn it too forcefully to avoid any potential damage. For maintenance, keep it in a dry and clean place. Regularly dust it off to keep it in good working condition. If you notice any other issues, it's a good idea to consult a professional.