Kiloview D300 4K IP to SDI and HDMI Multi-Decoder with NDI|HX


The Kiloview D300 is a 4K H.265 hardware decoder capable of converting multiple IP video streams to HD-SDI and 4K-HDMI. Without a computer, it decodes any IP stream, including NDI|HX2 SRT RTSP RTMP TS-UDP HLS etc. and sends it in SDI or HDMI in multiviewer format up to 9 quadrants or full screen with clean switching. It includes RTMP server for connection with encoders and up to 16 sources in preview via web. It has 2 RJ45 inputs, 3G-SDI output and HDMI 2.0 output. Supports video up to UHD 4K on HDMI and 1080p60 on 3G-SDI.

Image enhancement and error correction technology produces clear images even at low bit rates. Supports embedded audio on HDMI and SDI and 3.5mm analog output. Features split screens, ideal for multimedia display, educational use and teleconferencing. Includes <200ms latency, image scaling, frame rate conversion and Tally support.



Request a product query



The Kiloview D300 decoder is a hardware IP decoder with support for up to 4K over H.265 (HEVC), which converts multiple IP video streams to SDI and 4K HDMI. Without relying on a computer, it decodes any IP stream, including NDI|HX2, SRT, RTSP, RTMP, TS-UDP, HLS, etc., and outputs the video to the display wall in up to 9 grids or free layout, and supports dynamic switching. It also supports RTMP server for direct connection with encoders, and up to 16 sources for preview on your web page.

Kiloview D300 multichannel IP decoder features

  • Decodes H.264/H.265 IP streams up to 4K
  • Separate 3G-SDI and 4K HDMI outputs (content can be the same or different).
  • HDMI output up to 3840×2160@60Hz, SDI up to 1920×1080@60Hz.
  • Simultaneous decoding of up to 9 video channels: 9 channels of 1080P30, 8 channels of 1080P60 or 4 channels of 4KP30.
  • Supports NDI|HX (2.0), SRT, RTMP, RTMPS, RTSP, TS-UDP and HLS, etc.
  • Decoding with the same or different protocol is available.
  • Intelligent delay control technology to achieve a delay of less than 200ms.
  • Fault-tolerant image enhancement technology for encoded video.
  • RMTP server for direct video transmission to the decoder without the need for an RTMP platform.
  • Dual 3G-SDI and 4K HDMI interface for output, output content can be the same or different.
  • Output screen can be in grids or customized free design.
  • Adjustable output resolution supporting de-interlacing and adjustable frame rate.
  • 16-signal web preview, with up to 9 images output in multi-screen mode, with dynamic switching.
  • Full screen signal can be sent to SDI and HDMI outputs (can be different)  
  • Compositions on each output, customizing background, with LOGO, border and graphic overlay with web preview.
  • Compatible with TriCaster, vMix, OBS and other platforms.


Data sheet

Video Inputs
IP Video
Supported Resolutions
625i / 525i - SD
1280x720 - HD
1920x1080 - HD
3840x2160 - UHD



Input2*100M/1000M RJ-45 adaptive Ethernet ports
Video output1 SD/HD/3G-SDI, up to 1080P60,1 HDMI, up to 3840*2160@60Hz
Output formatsSDI up to 1080P60Hz; HDMI up to 4k, as follows:
1080i60/59.94/50, 720P60/59.94/50, 576i/50, 480i/60;
HDMI:4K 3840x2160@60/50/30/25,1080p60/50,1080p24/25/30,
1080i60/50,720p60/50, compatible with VESA standard format.
Audio outputSDI/HDMI embedded or analog audio output
Media protocolsNDI|HX/SRT/RTMP/HLS/TS over UDP/RTSP/RTP (Note: NDI|HX means NDI|HX Version 2.0)
SDI Transmission DistanceBelden 1694A: SD SDI ≥ 350m; HD SDI ≥ 180m; 3D SDI ≥ 100m
Video decodingH.265 /H.264
Audio decodingAAC/G.711
Decoding latency<200ms (adjustable)
Decoding capability4K 30Hz: up to 4 channels;
1080P 50Hz/60Hz: up to 8 channels simultaneously;
1080P 30Hz or 1080i 50/60Hz or 720P and below: up to 9 CH simultaneously.
Split screen displaySupport 1/2/3/4/5/6/7/8/9 split screen
ManagementWeb page
Power/Consumption12V, 1A /6W
Operating temperature-20~60°C
Dimension140*105*28mm (5.51”*4.13”*1.10”)
Weight380g (13.4oz)
RemarkNDI|HX means NDI|HX Version 2.0

You might also like

close Shopping Cart

New Account Register

Already have an account?
Log in instead Or Reset password