Sonic Maximizer BBE-462 Sound Inc Rack Mount Audio Processor. Very nice, good to excellent clean Used As-Is condition… *Power Up Tested Only*. Channel “A” RCA Input appears to have some glue securing it in place. Very good looking unit not all dinged up or scratched…. Up. Refer to the pictures as they are a part of the description securely shipped with USPS priority mail, or Federal Express. THANK YOU FOR LOOKING.