ESI U 24 XL

* What characteristics have motivated your choice? small price, I / O SPDIF coaxial (to attack my central station with SPDIF optical is already used by the Mac Pro), small size, truly plug'n'play mac (good here, but they all promise in reality, there's differences ... not in this case!! c top!) * For what purpose? largely for my Zique (on my macbook) to my monitor speakers when I bump not sound ... possibly use traktor with mode Associate leopard (not tested) * What is your config (Motherboard / CPU / Ram / Disk ,...)? Mac Book Pro 2.93 GHz Unibody - 4 GB Ram - OSX 10.6.3 * Which instruments or systems (console, preamp, DTD ...) and you use the connection with what? ... Of the coaxial SPDIF, RCA is a beast (: the signal is directly sent to the central station (monitoring station Presonus), so I did not care whether the U24XL convertos had good .. it is the fact that the central station job with the quality that he knows.