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Kramer VP-427A

1:1 HDBaseT to HDMI/RS-232/IR ProScale Receiver/Scaler
1×HDBaseT input, 1×HDMI + analogue audio output; Max. 70m on HDBaseT input

£389 (£466.80 inc. VAT)
Availability: In stock

Kramer VP-427A Description

The Kramer 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 up- or down-scales the picture to match the resolution of the HDMI monitor. It includes a simultaneous analogue audio output of the embedded HDMI audio.

Kramer VP-427A Key Features

  • Max. Data Rate - 6.75Gbps (2.25Gbps 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 70m (230ft).
  • Embedded Audio - Support for LPCM 2CH.
  • Analogue 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.
  • 7 year warranty (Click Here for details)


Kramer VP-427A Specifications

Inputs 1 x HDBaseT twisted pair on an RJ-45 x connector, 1 x IR on a 3.5mm mini jack
Outputs 1 x HDMI connector, 1 x IR on a 3.5mm mini jack, 1 x unbalanced stereo audio on a 3.5mm 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 60Hz for computer graphics resolutions, 50/60Hz for HDTV resolutions
Latency 30ms approx
Video colour Depth Input: 8/10/12-bit, output: 8-bit
Embedded Audio Supports LPCM 2CH
RS-232 Baudrate 115200bps max
Controls Front panel buttons, 1 USB for programming
Indicators ON LED
Power 5V DC, 1.5A
Operating Temp. 0° to +40°C (32° to 104°F)
Storage Temp. -40° to +70°C (-40° to 158°F)
Humidity 10% to 90%, RHL non-condensing
In The Box VP-427A, Power supply
Options RK-T2B 19" rack adapter
Product Dimension 18.75cmx11.50cmx2.54cm (7.38"x4.53"x1.00") WxDxH
Product Weight 0.5kg (1.0lbs) approx.
Shipping Dimension 34.50cmx16.50cmx5.20cm (13.58"x6.50"x2.05") WxDxH
Shipping Weight 1.0kg (2.2lbs) approx.

Kramer VP-427A Usage Diagram



Kramer VP-427A Usage Diagram


Kramer VP-427A Compatible Products

Product CodeDescriptionPriceInc. VAT
Kramer PT-580T 1:1 HDBaseT-Lite HDMI over Twisted Pair Transmitter
(Max. 40m @ 4K, 70m @ 1080p, no Ethernet, 4K and 3D Compatible)
£147 £176.40
Kramer TP-580T 1:1 HDBaseT-Lite HDMI/IR/RS-232 Twisted Pair Transmitter
(Max. 70m at 1080P or 4K)
£155 £186.00
Kramer TP-780T 1:1 HDBaseT 4K UHD HDMI/Bidirectional RS-232/IR/PoC over Twisted Pair HDBaseT Transmitter
(1 x HDMI input; 1 x HDBaseT output; Max. 70m at 2K, 40m at 4K)
£194 £232.80
Kramer VM-2DT 1:2 4K 60Hz 1: 2 HDBaseT Distribution Amplifier
(1xHDBaseT input; 2xHDBaseT outputs; Max 40m at 4K, 70m at 1080p)
£521 £625.20
Kramer VM-3DT 1:3 4K 60Hz 1: 3 HDBaseT Distribution Amplifier
(1 x HDBaseT input; 3 x HDBaseT outputs; Max 40m at 4K/60Hz)
£623 £747.60
Kramer VM-4DT 1:4 4K 60Hz HDBaseT Distribution Amplifier
(1 x HDBaseT input; 4 x HDBaseT outputs)
£739 £886.80
Kramer VM-4HDT 1:4 4K UltraHD HDMI to HDBaseT-Lite Distribution Amplifier
(1 x HDMI input; 4 x HDBaseT outputs; 4K UHD; Max. 70m)
£568 £681.60
Kramer VP-440 6:2 Presentation Switcher/Scaler
(4 x HDMI, 2 x VGA inputs; 1 xHDMI, 1 x HDBaseT outputs; Separate audio inputs and outputs)
£685 £822.00
Kramer VP-553xl 6×2 high-performance dual presentation switcher/scaler with USB switching
(3×HDMI, 3×HDBaseT-Lite, 2×VGA inputs; 2×HDMI, 1×HDBaseT-Lite outputs plus 4:1 USB switcher)
£1558 £1869.60
Kramer VP-558 11x4 Presentation Switcher/Scaler/Matrix
(6 x HDMI, 4 x HDBaseT, 1 x VGA inputs; 4 x HDMI+HDBase outputs; 4:1 USB Swticher)
£4285 £5142.00
Kramer VS-62DT 6x2 4K 60Hz 6x2HDMI/HDBaseT Long Reach PoE Matrix Switcher
(6 x HDMI inputs; 1 x HDMI and 1 x HDBaseT output; HDMI 1.4, HDCP 1.4)
£778 £933.60
Kramer WP-580T 1:1 HDBaseT-Lite HDMI/IR/RS-232 Twisted Pair Transmitter wall plate
(Max. 70m at 1080P or 4K)
£171 £205.20



Kramer VP-427A Optional Cables

DescriptionLengthPriceInc. VAT
Kramer C-HM/DM-0.5 HDMI TO DVI-D Single Link Cable (M-M) 0.1m £10 £12.00
Kramer C-MHM/MHM-1 HDMI High Speed with Ethernet M-M (Max. 4K/60Hz 4:4:4) 0.3m £12 £14.40
Kramer C-MHM/MHM-1(W) HDMI High Speed with Ethernet M-M - White (Max. 4K/60Hz 4:4:4) 0.3m £12 £14.40
Kramer C-HM/HM/PICO/BK-1 Black Ultra-slim HDMI High Speed with Ethernet M-M (Max. 4K/60Hz 4:4:4) 0.3m £7 £8.40
Kramer C-MHM/MHM-2 HDMI High Speed with Ethernet M-M (Max. 4K/60Hz 4:4:4) 0.6m £11 £13.20
Kramer C-HM/HM/PICO/BK-2 Black Ultra-slim HDMI High Speed with Ethernet M-M (Max. 4K/60Hz 4:4:4) 0.6m £8 £9.60
Kramer C-UNIKat-2 UNIKat cable for DGKAT/HDBaseT/LAN (Pre-terminated) 0.6m £10 £12.00
Kramer C-MHM/MHM-2(W) HDMI High Speed with Ethernet M-M - White (Max. 4K/60Hz 4:4:4) 0.6m £13 £15.60
More Cables for the Kramer VP-427A