This amazing Roland M - 400 48 - channel live digital mixing console comes with the correct power supply. A minor issue is that the top - right corner is bent, but it still works perfectly as expected, delivering high - quality sound for your live events.

To use this Roland M - 400 console, first connect it to the correct power supply that comes with it. Then, connect your audio sources to the appropriate channels. You can adjust the volume, balance, and other settings easily on the console. When using it, make sure to place it on a flat surface to avoid further damage to the bent corner. For maintenance, keep it in a dry and clean environment. Regularly dust it off with a soft cloth. If you notice any performance issues other than the pre - existing bent corner, it's advisable to consult a professional technician.