The knob is a manual element with manual control. Can control the effect of a variety of functions,such as level, speed, voice, etc.Can be used for synthesizers, electric guitar,ect.
Taiss /10pcs Adjustable Rotate Button Potentiometer Control Knobs + 10pcs 0-100
10PCS Adjustable Tone Harp Steel String Set For Replacement Easy To Use
Adjustable Backrest Stool 360-Degree rotate Adjustable Pedestal Stool for
