According to the manufacturer, the Fireface 400 is not just the little brother of the Fireface 800. It is a completely newly designed device. It is the only device in its class with active jitter suppression, stand-alone functionality, complete controllability from the front panel, highly flexible I/Os in professional quality, and an unsurpassed 648-channel matrix router - at sample rates up to 192 kHz.



Link: Digit Life