Pro-Eject DAC box DS provides superior audio quality for nearly any digital source. Boasting To slink optical and S/PDIF coaxial RCA digital inputs plus a dedicated USB port, it serves as both a high-performance standalone DAC and a superior USB interface for demanding computer audio capable of supporting 24bit/192Khz HD music in fully-asynchronous mode. Incorporating top-grade Texas instruments PCM1792 D/a chips, the DAC box DS uses many components that are normally only found in more expensive high-end designs. Discerning listeners will also appreciate two different digital filter settings (steep- and optimum-phase) for dialing the sound in to better match their individual listening preferences. The purpose-built audio circuit provides ultra-linear output with extremely low impedance to avoid any sound-degrading interference with cables or preamps. The large, front-mounted dot-matrix LCD screen easily displays all critical information including input selection, bit depth, sampling frequency, and filter settings. Its unmatched high-end performance and versatility make the DAC box DS a class-leading D/a converter that won't put a huge dent in your Hifi budget.