This Yamaha FS1R synthesizer module is a powerful tool for any musician or producer looking to add unique FM synthesis and formant shaping to their sound. With digital technology and a range of capabilities from tone generation to modulation, the FS1R is a must-have for any pro audio setup.Ideal for use in a variety of musical genres, this Yamaha synthesizer module boasts a range of functions that make it highly versatile. Whether you're using it for sound design, recording, or live performance, this synthesizer offers exceptional sound quality and a range of creative possibilities. This unit has seen very little use (practically new) - it even still has the clear protective plastic on the display !