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.