Reply to Kontrol S4 interface

G'day DJTT I'm getting a Kontrol S4 from my girlfriend this christmas and am wondering about the interface, I talked to a club owner and he said that he was worried about me playing digital as he reckons the sound quality would stink. is the kontrol S4's sound card good enough or do you believe I should get something like the... FA66 from roland 24 bit/ 192 Khz I just don't want club owners whining at me. thanks guys