Selling to organize equipment. I turned it on once or twice after purchase, but it didn't suit me, so it's almost new. No instruction manual or outer box. An effector that realizes a variety of harmonies. - Model: Harmonist HR-2 - Output: OUTPUT A (MONO), OUTPUT B - Input: INPUT, DETECTOR IN - Controls: LEVEL, CHECK, KEY, VOLUME, DETECT, OCT, DETECTOR - Serial Number: ZH13244 Thank you for looking.