BIAS BS-2 DRUM PERCUSSION Rare Percussion Synthesizer [Product Name] BIAS BS-2 DRUM PERCUSSION [Product Description] This is a percussion synthesizer made by BIAS. I purchased it used about 20 years ago. It produces sound when struck, and you can adjust the sound using the knobs and switches. [Condition] ・Operation confirmed ・Minor scratches overall (see photos) ・Knobs and switches function well ・Box included [Notes] Operation has been confirmed using a 9V battery, but as I am an amateur, there may be some issues. Please purchase only if you understand that this is a used item and may have minor scratches or age-related deterioration.