The TC Helicon MCA100 is an adapter for any microphone turning it into a controller for TC Helicon vocal pedals. You can then use the Mic Control function to remotely switch on vocal effects from a distance. It has a LED backlight giving you a clear on-stage indication of an effects status. The lightweight and rugged construction enables comfortable performances with durability to withstand gigging night-after-night. The Mic Control function on your vocal pedals can alter different settings. This includes triggering presets changing to a custom tone and much more. Enhance your vocal performances with TC Helicon vocal pedals and control them with ease using the MCA100 adapter.