Retroarch loads all cps2 games with FBAlpha2012 but it just sounds terrible like sand in a piece of glass. On the other side when i load my games from WinKawaks (CPS2 and NeoGeo specific) it sounds perfectly! The problem is when WinKawaks is set as emulator on LaunchBox it does not load the game automatically, it apparently needs some kind of script add.
So it leaves me two options:
1) Solve the retroarch sound problem (read about nigtly builds that work better the sound or past cores, i don't know or found on forums really)
or
2) Learn how to make WinKawaks works with Laun