4TrackTrigger the Traktor-Weapon made by the German Faderfox and the Swiss Glanzmann Digital DJ Solutions. A compact and uncompromising 4 Deck Controller, specifically designed for Traktor Pro 2.5 in the external mixer mode. This new instrument is designed with passion for detail and is handmade in Switzerland / Germany. It is the ultimate instrument made by professionals for professionals. It comes with extensive details and a lot of new control features.