Comes with the correct power supply for seamless operation.

To use this Allen & Heath iDR D - Out Digital Audio Output Expander, first connect it to the appropriate audio source. Then, plug in the included correct power supply to power it up. Make sure the connections are secure. When using, avoid placing it in extremely hot or humid environments. For maintenance, keep it clean by gently wiping it with a dry cloth. If you notice any issues, unplug the power supply immediately and contact customer service.