Support | HDR44 Advanced Application Notes:
DH44-HDR44 8x4 AV Matrix
Combine the DH44 Digital Audio Router and HDR44 Video Router into a 8 source, 4 zone (expandable to 16 zone) system
HDR44 4x16 AV Matrix
Expand the HDR44 Video Router to a 4 source, 16 zone system