More on Amazon.com : http://www.amazon.com/gp/product/B002NZV7X4?tag=purrfectcatdi-20
Music Hall DAC 25.3 USB Digital Audio Converter
Electro-Harmonix 6922 tube output 8x oversampling digital filter and
Ti SRC4192 Asynchronous sample rate converter whigh precision active crystal oscillator master clock
Sophisticated asynchronous re-clocking and anti-jitter control system
4 digital inputs coax SPDIF optical XLR or USB and Headphone output with adjustable volume control
110v220v voltage selectable transformer and detachable power cord
