Mark functions can be used set up to 99 points per file (mark information can be used in software that supports BWF format).Recording 2 mono files from stereo input possible.Cascade function enables simultaneous operation of multiple units.SD card slot (supports 4 to 32GB SDHC cards).DSD recording format: DSDIFF/DSF (2.8/5.6MHz).Stereo recording to SDHC card or CF card.You can control the DA-3000 with the included remote control. Stereo XLR and RCA inputs and outputs allow you to connect to most analog sources, while S/PDIF, AES/EBU and SDIF-3 digital connections allow you to integrate a variety of digital sources. The recorder provides a variety of input and output in both the analog and digital domain. Visual monitoring of your signals is provided via the front-panel 24-dot level meter. The unit has a fanless design to reduce internal noise. Both the left and right channels conversion is via their BurrBrown PCM1795 converter chip. The DA-3000 was built with dual-mono circuitry to reduce interference between channels to allow for more accurate audio capture. The DA-3000 can record analog or digital signals as stereo PCM files in up to 192kHz and stereo DSD files in up to 5.6MHz. It records to SDHC or CF cards and has a USB port that allows you to transfer files to and from an external flash drive. The DA-3000 Stereo Master Recorder and ADDA Converter from Tascam is a 2-track analog to digital/digital to analog converter that can be used as a digital recorder, converter, or monitoring system for mastering, mixing, and tracking applications.