A very nice unit considering the price?
https://www.google.co.za/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&ved=0CDoQFjAA&url=http%3A%2F%2Fwww.head-fi.org%2Ft%2F657108%2Fnew-b-m-c-puredac-digital-to-analog-converter-balanced-headphone-amp-preamp-1690-and-free-ground-shipping-in-the-u-s&ei=aLtuUvvmK8GThQf88oCIDg&usg=AFQjCNGOsqFFNfTmoHIEaxamDwfJSblueg&bvm=bv.55123115,d.ZG4&cad=rja
https://www.google.co.za/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&ved=0CDoQFjAA&url=http%3A%2F%2Fwww.head-fi.org%2Ft%2F657108%2Fnew-b-m-c-puredac-digital-to-analog-converter-balanced-headphone-amp-preamp-1690-and-free-ground-shipping-in-the-u-s&ei=aLtuUvvmK8GThQf88oCIDg&usg=AFQjCNGOsqFFNfTmoHIEaxamDwfJSblueg&bvm=bv.55123115,d.ZG4&cad=rja
