Kramer VP-551X (72-00003030) 4K Presentation Switcher Scaler

2 Mic Inputs - Control through RS-232, Ethernet & IR - 8 HDMI

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What's in the box:

  • Kramer VP-551X
  • Power adapter cord
  • IR remote control
  • Rack ears
  • 7-year Limited Warranty


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Exceptional Quality, Advanced & User-friendly Operation

Kramer VP-551X (KRA-VP551X) 4K Presentation Switcher/Scaler for 4K@60 (4:4:4) HDMI, VGA and composite video signals. This switcher provides exceptional quality, user-friendly operation, and very quick switch times. The unit scales the video and provides options to use the embedded HDMI audio or to select the companion audio channel from one of ten analog audio input signals. The unit features simultaneous output to HDMI and the HDBaseT connections and the audio is also output to a balanced stereo audio output, S/PDIF digital output and a pair of loudspeakers. Included rack ears make for easy installation in 1RU, and control of the unit comes from the included IR remote and a comprehensive set of webpages.


  • Scales to/from resolutions up to 4K@60㎐ (4:4:4) on the HDMI inputs and output
  • 4K@60㎐ (4:2:0) on the HDBaseT output
  • Scales HDMI, VGA and Composite video signals for output to two mirrored outputs: HDMI and HDBaseT
  • HDTV Compatible
  • Provides PoE power to a compatible HDBaseT device

Specifications for the Kramer VP-551X

{ "Inputs": { "8 HDMI": "On female HDMI connectors", "1 Computer Graphics": "On a 15–pin HD connector", "1 Composite Video": "On an RCA connector", "8 Unbalanced Stereo Analog Audio": "On 3–pin terminal blocks (1 to accompany each of the HDMI inputs)", "1 Unbalanced Stereo Analog Audio": "On a 3–pin terminal block (to accompany the CV input)", "2 Microphone": "On 6mm jacks" }, "Outputs": { "1 HDBaseT": "On an RJ–45 connector", "1 HDMI": "On a female HDMI connector", "1 Balanced Analog Stereo Audio": "On a 5–pin terminal block", "1 Digital Audio": "On a female S/PDIF connector", "1 Speaker": "On a 4–pin terminal block" }, "Ports": { "1 RS–232 (Data)": "On a 3–pin terminal block", "1 RS–232 (Control)": "On a 3–pin terminal block", "1 Ethernet": "On an RJ–45 connector" }, "Video": { "Input HDMI Resolutions": "480i/576i, 480p/576p, 640x480@60/72/75/85Hz, 720p@60/50Hz, 800x600@56/60/72/75Hz, 1024x768@60/70/75Hz, 1080i@60/50Hz, 1080p@24/25/30Hz, 1080p@60/50Hz, 1280x1024@60/75Hz, 1280x720@60Hz, 1280x768@60Hz, 1280x800@60Hz, 1280x960@60Hz, 1360x768@60Hz, 1366x768@60Hz, 1400x1050@60Hz, 1600x1200@60Hz, 1600x900@60Hz RB, 1680x1050@60Hz, 1920x1080@60Hz, 1920x1200@60Hz RB, 4K2K@24/25/30/50/60Hz (4:4:4), 4K2K@50/60Hz (4:2:0)", "Input Computer Graphics Resolutions": "640x480@60/72/75/85Hz, 800x600@56/60/72/75Hz, 1024x768@60/70/75Hz, 1280x1024@60/75Hz, 1280x960@60Hz, 1280x720@60Hz, 1280x768@60Hz, 1280x800@60Hz, 1360x768@60Hz, 1366x768@60Hz, 1400x1050@60Hz, 1600x1200@60Hz, 1680x1050@60Hz, 1920x1080@60Hz, 1920x1200@60Hz RB", "Input CV Resolution": "480I/576i", "Output HDMI Resolutions": "480p@60Hz, 576p@50Hz, 720p@50/60Hz, 1080p@24/25/30/50/60Hz, 640x480@60Hz, 800x600@60Hz, 1024x768@60Hz, 1280x768@60Hz, 1280x720@60Hz, 1280x800@60Hz, 1280x1024@60Hz, 1360x768@60Hz, 1400x1050@60Hz, 1440x900@60Hz, 1600x1200@60Hz, 1680x1050@60Hz, 1920x1080@60Hz, 1920x1200@60Hz RB, 4K/2K@50/60Hz (4:2:0), 4K/2K@24/25/30/50/60Hz (4:4:4)", "Output HDBaseT Resolutions": "Same as HDMI, except for 4K/2K@50Hz, 4K/2K@ 60Hz, which are not supported", "Max. Input Resolution - HDMI": "4K@60Hz (4:4:4)", "Max. Input Resolution – VGA": "1080p60 / UXGA", "Max.Output Resolution- HDMI": "4K@60Hz (4:4:4)", "Max. Output Resolution - HDBaseT": "4K@60Hz (4:2:0)", "Content Protection": "Up to HDCP 2.2", "HDMI Support": "HDR10, CEC, xvYCC color (on input), Dolby TrueHD/DTS–HD Master Audio (by–pass), as specified in HDMI 2.0", "Latency": "1–2 frames" }, "Analog Audio": "Speaker Output:2x20W into 4Ω", "User Interface": { "Controls": "IR remote, Input selection, freeze, mute, XGA/1080p reset, and panel lock buttons, OSD menu", "Indicators": "IR, selected input LEDs" }, "Power": { "Source": "100–240V AC 50/60Hz", "Consumption": "130VA" }, "Enclosure": { "Size": "19”", "Type": "Aluminum", "Cooling": "Convection ventilation" }, "Environmental Conditions": { "Operating Temperature": "0° to +40°C (32° to 104°F)", "Storage Temperature": "–40° to +70°C (–40° to 158°F)", "Humidity": "10% to 90%, RHL non–condensing" }, "Regulatory Compliance (Standards Compliance)": "Standards:UL, CE, FCC", "Accessories": "Included:Power cord, rubber feet, rack ears, IR remote control", "Product Dimensions": "43.64cm x 23.72cm x 4.36cm (17.18″ x 9.34″ x 1.72″ ) W, D, H", "Product Weight": "2.3kg (5.1lbs) approx.", "Shipping Dimensions": "55.00cm x 27.60cm x 10.70cm (21.65″ x 10.87″ x 4.21″ ) W, D, H", "Shipping Weight": "3.4kg (7.5lbs) approx." }

Research Materials for Kramer VP-551X (KRA-VP551X)

We've added technical materials to help with your buying decision. Even if you're technically inclined, you may want to consider talking to our sales techs to make sure this item is the right fit for your particular use. 800.562.6006

VP-551X (KRA-VP551X) Specifications

VP-551X (KRA-VP551X) User Guide

VP-551X (KRA-VP551X) Drawing

VP-551X (KRA-VP551X) Installation Guide

VP-551X (KRA-VP551X) Quick Start Guide

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