"Teac UD-501 USB, The Teac UD-501 is a dual monaural D/A converter which supports Direct Stream Digital (DSD) playback at either 2.8 MHz or 5.6MHz (DXD) rates
PCM audio is supported up to 384kHz/32-bit resolution. It connects to your computer over USB using ASIO 2.1 or DoP. The output section of the UD-501 features two BurrBrown 32-bit DACs per channel and JRC MUSES op amps with a dual monaural design. The UD-501 has both balanced XLR and unbalanced RCA outputs available to connect to your power amplifier. A toroidal-core power supply ensures top performance and clean transient playback, for quality that outperforms components five times its price. UD-501 Features: Dual Monaural D/A Converter, DSD 2.8/5.6MHz Native File Playback by ASIO 2.1 or DoP, Up to 32bit/384kHz PCM File Playback, Asynchronous Transfer Mode, Variety of Digital Filter Settings and Preferences, Reducing Jitter Noise by 192kHz Up-Converting, Up to 24bit/192kHz PCM File Playback (Coaxial), Up to 24bit/96kHz PCM File Playback (Optical), 4 Analog Filters (Playback USB, DSD), 3 Digital Filters (Playback USB, PCM), Two Toroidal-Core Power Transformers -Stable Current Supply, Two BurrBrown PCM1795, Four MUSES8920 Operational Amplifier, Parallel Buffer For RCA Output, Power Supply To USB Circuit is Switchable, Full Metal Body, Auto Power Saving Mode, USB Audio Input x 1, Coaxial Inputs x 2, Stereo RCA/XLR x 1, Polar AC Socket w/ Detachable AC Cable x 3"