This MCM audio mixer amplifier MPA - 10 is a great choice for audio customization. Note that it doesn't come with a power supply. It offers flexibility for users to choose their own suitable power source.

Using this MCM MPA - 10 mixer amplifier is simple. First, you need to connect it to a proper power supply that you've sourced separately. Then, you can start plugging in your audio devices to start mixing. When using, make sure the power supply voltage matches the requirements of the amplifier. As for maintenance, keep it in a dry and clean place. Regularly check the connections to ensure they are stable. If you notice any abnormal noises or malfunctions, stop using it immediately and check for possible issues.