Notes: This is an auction for the main unit only. The operational checks are as follows: Operation has been confirmed with a personal adapter and batteries. (Not included) 1-4 CHANNEL audio input confirmed. OUTPUT / RIGHT / LEFT audio output confirmed. OVERLOAD / Lamp lit up. GAIN / Changed. PANPOT / Changed. VOLUME / Changed. MASTER VOLUME / LEFT / RIGHT sound changed left and right. PHONE / Audio output from headphones confirmed. The main unit has minor scratches and scuffs, but is in good condition. No claims and no returns. Please refrain from bidding if you are sensitive to imperfections.