The SDT-M reads from SDHC memory cards, up to 64GB.
It can process DSDIFF/DFF files, up to DSD256 rate, or uncompressed WAV files, up to 384kHz.
There is a RJ-45 connector on the back providing either PCM or DSD data/clock lines, as well as Coaxial S/PDIF output up to 192kHz/24bit.
