Kramer VP-427A
HDBaseT to HDMI & Audio ProScale Receiver/Scaler


Kramer's VP-427A is a receiver/scaler for HDBaseT twisted pair, HDMI, bidirectional RS-232 and IR signals. The unit receives an HDBaseT signal that it converts to HDMI, IR and RS-232 signals. It then up- or down-scales the picture to match the resolution of the HDMI monitor. It also includes a simultaneous ananlog audio output of the embedded HDMI audio. Well suited for rental and staging, as well as home theater, presentation, and multimedia applications.

Kramer VP-427A HDBaseT to HDMI Receiver/Scaler Features:

  • Max. Data Rate - 6.75 Gbps (2.25 Gbps per graphic channel)
  • Bidirectional RS-232 Port - For embedding/de-embedding control commands in the HDBaseT data stream
  • Infrared Input and Output Ports - For controlling devices over the HDBaseT data stream
  • System Range - Up to 230 ft (70 m) 
  • Embedded Audio - Support for LPCM 2CH
  • Analog Audio Output - Includes a simultaneous unbalanced stereo audio output of the embedded HDMI audio
  • Constant Output Sync - Even when the input video signal is lost or interrupted
  • ProcAmp Control - Contrast, brightness, fine tune & R, G, B level/gain
  • On-Screen Display (OSD) - For easy setup and adjustment, accessible via the front-panel buttons
  • Non-Volatile Memory - Saves final settings
  • Freeze Button
  • USB Port - For upgrading firmware
  • Size - Compact MegaTOOLS® - 2 units can be rack mounted side-by-side in a 1RU rack space with the optional RK-T2B rack adapter (sold separately)

Kramer VP-427A HDBaseT to HDMI Receiver/Scaler Specifications:

  • Inputs: 1 HDBaseT twisted pair on an RJ-45 connector, 1 IR on a 3.5mm mini jack
  • Outputs: 1 HDMI connector, 1 IR on a 3.5mm mini jack, 1 unbalanced stereo audio on a 3.5 mini jack
  • Ports: 1 bidirectional RS-232 port on a 9-pin D-sub connector 
  • Output Resolutions: Native, 480p, 570p, 720p, 1080i, 1080p, 640x480, 800x600, 1024x768, 1280x800, 1280x1084, 1360x768, 1400x1050, 1440x900, 1600x1200, 1680x1050, 1920x1200
  • Output Refresh Rate: 60 Hz for computer graphics resolutions, 50/60 Hz for HDTV resolutions
  • Latency: 30ms approx.
  • Video Color Depth: Input: 8/10/12-bit, output: 8-bit 
  • Embedded Audio: Supports LPCM 2CH
  • RS-232 Baudrate: 115200 bps max.
  • Controls: Front panel buttons, 1 USB for programming
  • Indicators: ON LED 
  • Power Consumption: 5V DC, 1.5A 
  • 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 
  • Dimensions: 7.38" W x 4.53" D x 1.00" W (18.75 x 11.50 x 2.54 cm)
  • Weight: 1.0 lb (0.5 kg) approx.
  • Included Accessories: Power supply
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