This is an RNC1773 compressor. Purchased used and used a few times. Selling due to equipment reorganization. Operation confirmed. Includes the original adapter. Please refrain from purchasing if you are nervous about buying a used item. - Model Name: RNC1773E - Brand: FMR Audio - Function: Compressor - Input/Output Terminals: IN/OUT, Sidechain, Power - Control Knobs: Gain, Ratio, Attack, Release, Output - Switches: Bypass, Super Nice 1 Thank you for viewing.