... shaft 8 mm rotary encoder potentiometer RP08140SFXX-V01 &China LJV brand Rotary Potentiometers use for Sound Instruments, ... for musical instruments, audios,medical equipment, Walkie talkie,DVD,GPS navigation,toys ,automotive accessories (car amplifiers) Volume ... equipment, computer /multimedia peripheral products, VCD players and DVD players, and other electronic equipment and household appliances. ...