BOX-AAS-401 is a mini 4×1 universal switcher. It supports analog/digital audio, RS-232, RS-485, time code signals (frequency from DC to 100MHz/Mbps), etc. AAS-401 adopts passive switch for the consistence of I/O signal.

It supports 4 channels signals inputs. Any audio signal can be switched to output channel via buttons on front panel or infrared remote controller. AAS-401 supports non-volatile memory. RS-232/422 port can be connected to PC for controlling AAS-401 switcher. Unique LINK is used for multi-frame.