The Roland XS-83H 8-In X 3-Out Multi-Format AV Matrix Switcher Chosen By AV Technik For Audio And Video Switching Applications Posted by July 8, 2016 Leave a comment on The Roland XS-83H 8-In X 3-Out Multi-Format AV Matrix Switcher Chosen By AV Technik For Audio And Video Switching Applications The Roland XS-83H 8-In X 3-Out Multi-Format AV Matrix Switcher Chosen By AV Technik For Audio And Video Switching Applications