One button is less but works (as shown in pictures).
Yamaha DTXPRESS IV Drum Trigger Module with Adapter Electronic Drum Tested Works
Yamaha DTXPRESS IV Drum Module Brain #1076
YAMAHA DTXPRESS IV DRUM TRIGGER MODULE
12V Power Supply Yamaha DTXPRESS IV Drum Module PA-3C Charger Replacement GumTek
REPLACEMENT POWER SUPPLY FOR THE YAMAHA DTXPRESS IV 4 DRUM KIT ADAPTER UK 12V
Yamaha DTXpress IV Electronic Drum Kit USED! RKEXP300526
