https://www.google.nl/search?q=m+audio+vip&client=safari&hl=nl-nl&prmd=isvn&source=lnms&tbm=isch&sa=X&ved=0ahUKEwi6rOC825HWAhUKrY8KHXJeAcwQ_AUICSgB&biw=414&bih=628#imgdii=v8GdJ60hcFf-kM:&imgrc=aAqji5grNqxkBM:
The M-audio CTRL49 supports the VIP client and it has sliders..