The RB-SC2 sample-rate converter produces AES/EBU, S/PDIF and TOSlink optical level digital audio outputs from a balanced AES/EBU, S/PDIF and TOSlink optical level digital audio inputs. It supports sample rates up to 192kHz.  In addition to the features found on the RB-SC1, the RB-SC2 has two independent sample rate converter circuits, two optional video sync boards, TOSlink optical digital audio inputs and outputs and front panel switches for control of all main settings. Optional analogue video board (RB-SYA) and digital video board (RB-SYD) also available.