This unit doesn't come with a power supply. It offers an 8 - channel input expansion function.

Using this BSS BLU - BIB 8 - Channel Input Expander Break - In Box is easy. First, connect your devices to the 8 channels. Remember, you need to provide your own power supply as this unit doesn't include one. When using, make sure the connections are secure. For maintenance, keep it in a dry and clean place. Avoid exposing it to extreme temperatures or moisture. If you notice any issues, check the connections first.