This professional audio delay controller does not come with a power supply. It's designed to meet high - end audio needs.

Using this audio delay controller is easy. First, connect it to your audio system. But remember, you'll need to provide your own power supply. When using it, keep it in a dry and cool place. For maintenance, just wipe it gently with a soft cloth from time to time to keep it clean. Avoid exposing it to extreme temperatures or moisture to ensure its long - term performance.