Features:

2-in, 2-out Thunderbolt audio interface
Easy-to-use interface, all features are controlled by one knob
Extremely low latency audio
Phantom power to run your favorite condenser mics
Dual XLR/TRS combo input jacks for mic and line sources
LED meters to monitor your input and output levels
Compact and lightweight design is easy to take with you
Bus powered directly from your computer
Works with Thunderbolt-equipped Macs running OS X 10.6.8 or later
Includes Thunderbolt cable