SMAKN&reg; X5 HIFI Mini USB DAC PCM2704 Black with USB Cable-Sliver SB DAC is best Choice for enthusiasts, it is cost-effective mini USB DAC; reasonable arrayed wire shows the best function of PCM2704. Compatible the USB 1.0 16bit support 32 khz / 44.1khz / 48khz sampling (Support Win2000/XP/7 Mac) Size:27x27x59mm Dynamic range: 100db Noise signal ratio: 105db (faith typical values) THD + N: 0.002% Internal integrated independent 12mhz clock generator built-in 8 x Oversampling digital filter