Monitor Controller from Kush Audio
American manufacturer Kush Audio are showing the Gain Train, a Class A expandable monitor controller.
![[NAMM] Kush Audio Gain Train](https://img.audiofanzine.com/img/product/normal/1/1/114271.jpg?fm=pjpg&w=334&h=243&fit=contain&s=188aa64e354572038ab7398d757bdfd8)