The Mackie My Fader™ app gives you pocketable control over your Mackie DL Series digital live sound mixer and version 3.0 is now compatible with Mackie Master Fader v3.0. My Fader 3.0 provides the perfect set of features for on-stage performers controlling their own monitor mix and is also great for the FOH engineer who needs quick wireless control from anywhere in the venue.
https://itunes.apple.com/us/app/mackie-my-fader-3/id963966072?mt=8