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Kramer KDS-EN4

1:1 HD HDMI over IP Encoder/streamer

£584 (£700.80 inc. VAT)
Availability: In stock

Kramer KDS-EN4 (60-00003290)

The Kramer KDS-EN4 is an H.264 encoder for HDMI signals of up to 1920x1080p@60Hz. It provides high-quality and fully-featured end-to-end video and audio over IP. KDS-EN4 includes AVC support for H.264/MPEG-4 and AAC codec, open encoding that enables decoding through VLC® player software and unicast or multicast streaming through RTSP.

  • High Resolution Video Encoding and Compression — supporting the following resolutions: 1080p@60Hz (on the decoder only), 1080p@30Hz, 720p@60Hz, and 720p@30Hz.
  • Maximum Compatibility — Fully standard and compliant H.264/MPEG-4 AVC (Advanced Video Codec) and AAC (Advanced Audio Code) codecs, enable compatibility with other software and hardware encoders. Open encoding enables software decoding through VLC® player software.
  • Flexible Audio Support — Embedded HDMI and unbalanced Analogue stereo line in for both the encoder input and decoder output.
  • Standard Ethernet Network Operation — 10/100/1000Mb.
  • Selectable Streaming Mode — Unicast or multicast through RTSP (Real Time Streaming Protocol).
  • Customizable Recording — Store streaming sessions on a computer or external USB storage appliance.
  • Powerful, Versatile and User-friendly Device Management — Manage device operation and settings, using Kramer Network Enterprise Management Platform.
  • Flexible Operation — Operate the unit by RS-232 remote control or through the embedded web pages. Control an external device via the RS-232 DATA port.
  • Easy Installation — Compact DigiTOOLS® fan-less enclosure for dropped-ceiling mounting, or side-by-side mounting of 3 units in a 1U rack space with the optional rack adapter.
  • 7 year warranty (Click Here for details)

Kramer KDS-EN4 Specifications


Inputs 1 × HDMI On a female HDMI connector
1 × Unbalanced Stereo Audio On a 3.5mm mini jack
Ports 1 × Ethernet On an RJ-45 connector
2 × USB On female USB type-A connectors
2 × RS-232 On a five pin terminal block connector

Video Specifications

Supported Resolutions 720p@30Hz, 720p@60Hz, 1080p@30Hz, 1080p@60Hz
Compression Standard H.264/MPEG-4 Part 10 (AVC)
Levels Up to 4.2
Bitrate 100kbps to 15mbps
Rate Control CBR
Audio Compression Standard MPEG-4 AAC-LC
Channels 2 channel (stereo), HDMI with digital L-PCM audio
Sample Frequency 44.1, and 48kHz
Bit Rates 128kbps
Maximum Unicast Connections 8


Power Source 5V DC
Consumption 800mA
Enclosure Size: DigiTOOLS, 1U
Type: Aluminium
Cooling: Convection ventilation
Accessories Included Power supply, bracket set
Product Dimension 12.00×7.15×2.44cm (4.72×2.81×0.96") W×D×H
Product Weight 0.5kg (1.1lbs) approx.
Shipping Dimension 15.70×12.00×8.70cm (6.18×4.72×3.43") W×D×H
Shipping Weight 1.0kg (2.3lbs) approx.


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

Kramer KDS-EN4 Usage Diagram

Kramer KDS-EN4 Usage Diagram

Replacement Power Supplies

ProductDescriptionPriceInc. VAT
Kramer PS-504 Desktop Power Supply 5V/4A £31 £37.20
Kramer VA-101P5 5-Output 5v DC Power Supply MAX 9A - 1.8 Amp per channel £178 £213.60
Kramer VA-102P5 10-Output 5v DC Power Supply Max 18A - 1.8 Amp per channel £311 £373.20

Kramer KDS-EN4 Possible Alternatives

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Encodes or decodes HDMI, IR, RS-232 and analogue audio with zero latency
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Kramer KDS-8F Zero Latency 4K HDR SDVoE Video Streaming Transceiver over Fiber Optic £1607 £1928.40
Kramer KDS-DEC3 1:1 H.264 Decoder
Decode H.264 to HDMI from transmission over IP networks
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Kramer KDS-DEC4 1:1 HD HDMI over IP receiver/decoder £584 £700.80
Kramer KDS-DEC5 1:1 4K 60Hz H.264 Video Decoder supporting PoE and Video Wall £778 £933.60
Kramer KDS-DEC6 1:1 4K 60Hz HDCP 2.2 video over IP receiver/decoder with PoE £599 £718.80
Kramer KDS-EN2R 1:1 HDMI over IP receiver
Point to point, Multicasting & broadcasting architecture
£498 £597.60
Kramer KDS-EN2T 1:1 HDMI over IP transmitter
Point to point, Multicasting & broadcasting architecture
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Kramer KDS-EN3 1:1 HDMI/VGA to H.264 Encoder, Recorder and Streamer
Encode HDMI up to 1080p for transmission over IP networks
£1301 £1561.20
Kramer KDS-EN5 1:1 4K 60Hz H.264 Encoder £778 £933.60
Kramer KDS-EN6 1:1 4K 60Hz HDCP 2.2 video over IP transmitter/encoder with PoE £599 £718.80
Kramer WP-EN6 1:1 4K60 4:2:0 HDMI over IP Wall-Plate Video Encoder with PoE
Unicast and Multicast with IR, RS-232 and USB extension
£999 £1198.80
CYP IP-6000RX 1:1 HDMI/VGA with USB over IP receiver
1 × RJ45, 1 × 3.5mm mic inputs; 1 × HDMI, 1 × HD15, 1 × RS-232, 1 × 3.5mm IR emitter, 4 × USB Type B, outputs
£345 £414.00
Gefen EXT-ADA-LAN-RX 1:1 Digital and Analogue Audio of IP Receiver £521 £625.20
Gefen EXT-ADA-LAN-TX 1:1 Digital and Analogue Audio of IP Transmitter/Sender £521 £625.20