Allen & Heath launch AHM-64 audio matrix at ISE 2020 Copy Video Embed Code 12/02/2020 Nic Beretta explains the features of the new AHM-64, a new, scalable audio matrix processor for sound management, launching at ISE 2020. See more at Stand 7-K200. Tags: AUDIO ISE 2020 ISEShowTV MATRIX SWITCHERS