I didnt try quadraphonic with your kext but now I cant get workingwith your kext.

LS8V14 kext is working now but I couldnt get success with quadraphonic.

I can only get to aggregate device I just select speaker and line out put but I couldnt get sound 4 ch. only 2 ch from speaker and green one.

can you send you screenshot for aggregate device settings and sound pref.

thanks for help