Audio issue when adding XTouch-One

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Don't shoot the noob, but i recently added an XTouch-One to my setup. i run Reaper and the unit works fine I'm able to do everything I want with it however, The issue is when i play a track the audio coming out of my monitors is not in sync with the curser. i have to reboot my interface then it's fine for a a pass or two. if i stop to do any editing it goes out of sync. When it is working, the audio will randomly start to crackle and distort. I lowered the buffer rate from 512 to 256 didn't help. Maybe it should go lower to 128 not sure. 


By the way this all goes away when i unhook the XTouch. I have no audio issues whatsoever unless i hook up the controller. 


I have a windows system with 32gb of ram and my interface is a Tascam US-1641 I know its an older unit but it always worked with no problems. 


Any sugestions would greatly be appreciated