This unit is a great 16-channel input expander, but please note it does not come with a power supply.

Using this 16-channel input expander is easy. First, connect it to your audio system according to the instructions. Remember, you need to provide your own power supply as it's not included. When using, keep it in a dry and cool place to avoid overheating. For maintenance, regularly check the connections to make sure they are secure. If you encounter any issues, consult the user manual or contact customer support.