This Yamaha M7CL-48ES mixer needs EtherSound stage boxes. It comes with the correct power supply, ensuring smooth operation.

To use this Yamaha M7CL - 48ES audio mixer, first make sure you have the EtherSound stage boxes connected. Then, plug in the correct power supply that comes with the mixer. When using it, keep it in a dry and clean environment. Avoid exposing it to direct sunlight or extreme temperatures. For maintenance, regularly check the power supply and the connections. If you notice any issues, such as strange noises or malfunctions, stop using it immediately and consult a professional.