Scarlett 2i2

Focusrite Scarlett 2i2 is a 2-in, 2-out USB audio interface.

Details
It operates at sample rates up to 192kHz with super-low latency that depends on your choice of software, settings and computer. Scarlett 2i2 that lets you record and monitor with software effects in real time.

Features

 * 2 IN, 2 OUT Channels
 * 2 Analog XLR/TRS Inputs
 * 2 Analog 1/4” TRS Outputs
 * 1 Headphone Stereo 1/4” Output
 * 24-bit/96 kHz
 * DSP Mixer/Router Zero-Latency

Compatibility
Focusrite Scarlett 2i2 worked out of the box with Xubuntu 12.04. Even after many hours of continuous operation there are no instabilities, or distortions. It works up to 96 kHz with JACK. from Linuxaudio.org