Kramer's VSM 4x4X is a 4X4 integrated matrix switcher that can also be used as a video wall controller (2X2 or 1X4), quad viewfinder, or 4-image multiviewer.
 The unit allows instant switching between inputs (i.e. with a clean, frame-by-frame video cut). The VSM 4x4X supports HDMI 2.0 and HDCP 2.2, with resolutions up to 4K60 4:4:4, HDCP and EDID configurations per port, 4-channel integrated audio pass-through, and unintegrated analog stereo audio for each of the 4 outputs. .
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 PixPerfect™ Scaling Technology: Precision pixel mapping and high-quality scaling technology from Kramer.
 
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 Matrix Switching Modes: Truly smooth switching mode (zero-time video cuts) or fade-to-black mode (allowing independent output resolutions).
 
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 Multiple aspect ratio selections: full, 4:3, 16:9 and best fit.
 
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 4 preset memory locations – for each operating mode for quick access to common IN OUT settings.
 
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 Non-volatile memory: saves the final configuration.
 
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 Integrated noise reduction and image enhancement functions
 
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 HDMI support: 4K@60Hz, Deep Color, xvColor™, 7.1 PCM, Dolby TrueHD, DTS–HD, as specified in VHDMI 2.0.
 
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 Selectable operating modes: 4x4 matrix switcher, video wall (2x2 or 1x4 configuration), multi-view display Split screen, side-by-side, PIP, POP, stacked or quad.
 
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 Bevel correction options: in video wall mode.
 
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 Constant Output Timing: For all modes of operation.
 
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 Built-in ProcAmp Video: Color, Hue, Sharpness, Noise, Contrast and Brightness individually configured for each input.
 
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 Firmware Upgrade: Ethernet-based, via an easy-to-use software upgrade tool.
 
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 Advanced EDID management per entry
 
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 Video inputs and outputs: 4 HDMI inputs and 4 scaled HDMI outputs.
 
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 Audio Outputs: 4 balanced audio outputs with independent volume settings per output, integrated audio on HDMI inputs and outputs.