Como usar Pads ou Trigger na Batera sem Modulo!

Using Equip: Electronic Drums Yamaha DTX 450K PDP Concept Maple By DW 10-12-16-22 VSTi EZDrummer2 Double Bass DW9002 Interface Scarlett 18i20 Apple iRig Audio Monitors KRK Rokit 5 Drumsticks PROMARK