Specification :

The G2Nu/ G2.1Nu operate as an audio interface, letting you record directly to a computer connected via USB cable. All your sound settings used during rehearsal or a live performance can be recorded onto your DAW software. Its direct monitoring capability eliminates any latency problems, assuring realistic studio conditions and hassle-free operation.
  Quantization : 16-bit
  Sampling frequencies : 32/ 44.1/ 48 kHz
  Supported OS : Windows XP/ Vista/ 7, Mac OS X v10.4/ 10.5/ 10.6