One file is for 10.9.2 another for 10.9.3.
If you don't want to use the patched AppleHDA download the Dummy HDA.
Read the READ ME to get it working Perfectly.
Using DummyHDA.kext to load AppleHDA( this means no more sound loss on update ).
thanks to Pokenguyen.
To get the dummyHDA.kext to work configure Clover to patch AppleHDA. Further instructions in the zip file.
Open read me first!
HIT LIKE if it works!