Kramer's VSM 4x4X is a 4X4 seamless matrix switcher that can also be used as a video wall driver (2X2 or 1X4), a quadviewer, or a 4 picture multiviewer.

The unit allows instantaneous switching between inputs (that is, with a clean, frametoframe video cut). The VSM 4x4X supports HDMI 2.0 and HDCP 2.2, with resolutions up to 4K60 4:4:4, perport HDCP and EDID settings, passing of 4 channels of embedded audio, and analog stereo deembedded audio for each of the 4 outputs.