EDIROL UA-4FX Driver Ver.1.1.0 for Mac OS X For Product(s): UA-4FX This is a driver for using the UA-4FX(Advanced mode) on Mac OS X. Compatible with Apple`s standards of CoreAudio and CoreMIDI Universal Binary Driver (This driver can work on both Intel and PowerPC processors.) Single/Dual/Multi processor support Can customize buffer size in System Preferences Managing precise recording and playback latencies For Operating System(s): MacOSX