This amazing product comes with a correct power supply, ensuring stable operation.

Using this dbx DriveRack PX powered speaker optimizer is a breeze. Just connect it to your speakers with the provided correct power supply. Make sure the power source is stable to avoid any issues. When using, keep it in a dry and cool place. For maintenance, clean the exterior regularly with a soft cloth. Don't expose it to extreme temperatures or moisture. If you have any problems, contact our customer service.