10 X Fr3s 10-20at Silver Tone Leads Magnetic Sensor N/o Spst Reed Switches - Switches - AliExpress
Roland FR3S Digital Accordion
Amazon.com: T POWER AC Adapter for 12V65W Roland PSB-3U BR-1180 BR-1180CD EXR-7 EXR7 Interactive Arranger FR3S ONLY External Power 12V 65W AC,DC. Charger : Electronics
4811 - Black Roland FR-3s Piano Accordion 37 120 Previous Version FR-4X FR-3X