AUDIO ENHANCEMENT GL-300 5-LINE AUDIO AMPLIFIER /GAR957.

This unit its PREOWNED and as you can see in post was tested just to power on / no further testing was performed ‘ no power adapter / units do have signs of use such scratches on top and back cover. Some units have cable residue from were they were installed ‘ please read carefully//// selling as is //// just to power on /////////////////////////see images/////////all the units were obtain from a working place environment/////////////////