DSSE 2019: Matrox Presents QuadHead2Go 4K@60Hz Video Wall ApplianceJuly 9, 2019 | Home / July 9, 2019 rave-video / DSSE 2019: Matrox Presents QuadHead2Go 4K@60Hz Video Wall Appliance DSSE 2019: Matrox Presents QuadHead2Go 4K@60Hz Video Wall Appliance