Sennheiser GSX 1000 Review @ Vortez
 

The GSX 1000 comes in as a desktop audio amplifier that features connections for a headset and stereo speakers and features a DAC specifically chosen to run driverless for convenience. It is controlled by an intuitive LED touchscreen panel that lights up as your hand gets closer.

http://www.vortez.net/review.php?id=1257