RB-ADDA2, AD / DA converter 24bit/192kHz. RB-ADDA2 is a 24-bit AD/DA converter with very high quality in stereo. Analog inputs/outputs are balanced (XLR) and unbalanced (RCA, Digital inputs/outputs are available for AES/EBU (XLR), S/PDIF (RCA) and optical with TOSlink. Synchronization via separate AES/EBU or wordclock sync inputs or lock to internal clock of 32, 44.1, 48, 88.2, 96, 176.4 or 192 kHz All controls are easily accessible from the front, ADDA2 can also be controlled via RS-232 Size 19in / 1U.