AVS-AUD-IO - MODULAR MATRIX SWITCHER AUDIO OUTPUT CARD MIC/LINE IN MIX/PGModular Matrix Switcher Audio Output Card MIC LINE IN MIX PG Modular Matrix Switcher Audio Output Card. Supports external MIC or LINE audio input Has MIX OUT port to output MIC LINE and source audio simultaneously Uses PGM OUT port to output MIC LINE and source audio simultaneously and then the mixed sound volume and channel can be controlled via webbased GUI Works with AVSHDMI24KI AVSHDB4KI and AVSVGAHDI to output the deembedded audio Control Audio