No extra drivers are required. With the EXA switched to USB Audio 1.0 the EXA will work with the native Mac OS-X 10.5 (Leopard) or above Audio 1.0 driver and accept audio up to 24-bit/96kHz.
With the EXA switched to USB Audio Class 2 the EXA works with the native Mac OS-X 10.5 (Leopard) or above Audio 2.0 driver and can accept audio up to 32-bit/384kHz.
1. With the EXA in Standby mode and/or the volume set to minimum, connect your Mac to the EXA via a USB A to B cable, or C to B cable depending on the USB ports on your Mac.
2. Select the USB Audio source on the front panel of the EXA.
3. Choose the EXA as your output speaker via your Mac’s sound settings
Note: To ensure you are getting the highest quality play back possible, ensure that the maximum sample rate for the EXA is selected, up to 384 kHz.
This can be done via your Mac by selecting ‘Audio Midi Setup > ‘Sound’ > ‘Speaker Properties’ > ‘Advanced’ Tab, and selecting the maximum sample rate and bit depth from the drop down menu.