This Symetrix 303 amplifier is a bi - directional interface device. Please note that it does not come with a power supply. Also, we were unable to test this unit.

To use this Symetrix 303 amplifier, you'll first need to get a suitable power supply as it doesn't come with one. Connect the amplifier to your equipment according to the standard connection methods. Since we couldn't test this unit, it's a good idea to check all connections carefully before powering it on. For maintenance, keep it in a dry and clean place. Avoid exposing it to extreme temperatures or humidity. If you notice any unusual noises or malfunctions, stop using it immediately and check for possible issues.