I have the one below for my R1 and it works great: https://www.amazon.com/Startech-Desktop-Computer-7-1-Channel-Theater-Ready/dp/B073WK37LM/ref=mp_s_a_1_8?keywords=startech+usb+sound+card&qid=1564891498&s=gateway&sprefix=Startech+usb+sond&sr=8-8