Comes with a correct power supply for reliable operation.

Using this dbx AFS 224 2 - Channel Feedback Suppression Processor is easy. First, connect it to your audio system and then plug in the provided correct power supply. When using, make sure the power supply is stable to avoid any malfunctions. As for maintenance, keep it in a dry and clean place. Regularly check the connections to ensure they are tight. Don't expose it to extreme temperatures or humidity. If you encounter any issues, consult the official support.