WyreStorm NHD-400-RX NetworkHD™ 400 Series 4K AV over IP JPEG 2000 Decoder


WyreStorm brings stunning 4K HDR video, 4K/2K auto-scaling, multi-channel audio and audio matrixing to IP with the NetworkHD 400 Series' NHD-400-RX AVoIP decoder. Used in conjunction with a 400 Series encoder, the NHD-400-RX seamlessly handles mixed resolution sources, content and display devices for matrix and video wall functionality up to 16x16 with image rotation and bezel compensation.

Featuring incredibly low latency, the 400 Series is the ideal AV over IP solution for systems where high quality and low latency are key requirements, making it perfect for both residential and commercial applications.




Delivering visually lossless 4K UHD content with HDR and HDCP 2.2 support ensures compatibility with the latest UHD video sources, while a built-in scaler ensures hassle-free mixing of the latest 4K displays and 1080p screens within an installation.


Supporting powerful, traditional video walls templates, as well as customizable mosaic video wall styles. Perfect for captivating & creative digital signage and modern digital menus. JPEG2000 encoding ensuring distribution integrity and video latency of less than a single frame makes the 400 Series ideal for live environments, such as seminars and conferences, where presenting must be in sync with a video or audio system.


Boasting the ultimate in signal flexibility, the 400 Series can discretely deliver audio, infrared and USB streams separate to the video via a modular IP network. True signal breakaway can create custom assignments, desirable in both commercial and residential applications.


Multichannel HDMI audio supporting formats such as Dolby Atmos and DTS-X and compatibility with AV receivers and audio processors offers an unlimited single-solution distribution option for home cinemas and dedicated home theatres.

  • Stunning visually lossless 4K UHD video with HDR over 1GbE / IP networks
  • Ultra-low end-to-end latency – only a single video frame (16ms at 60fps)
  • Multi-channel audio including DTS:X & Dolby ATMOS
  • Image scaling - use a mix of 4K & 1080p displays throughout an installation
  • Easy network set-up using standard Layer 2 or Layer 3 managed switches
  • Hugely scalable I/O, utilizing multicast technology
  • Live video unicast preview streams for use with NetworkHD Touch or a custom control UI
  • Powerful audio matrix functionality - route audio separately from video to any decoder
  • CEC One-Touch Play & Standby, bidirectional IR or RS-232 control of connected devices
  • Up to 16x16 video walls with image scaling, bezel compensation and rotation
  • Custom “No Source” idle image upload for branded down time
  • Support all SD, HD and UHD video formats - including interlaced content
  • Breakaway, independent routing of all video, audio, IR, USB and RS-232 streams
  • Infrared signal generation direct from an encoder or decoder – supports Hex IR format
  • Arbitrary CEC command generation - complete display control over the HDMI cable
  • Analog audio de-embed output with volume control
  • Batch firmware update and batch settings functions offers a massive reduction on installation times
  • Custom EDID management with import/export
  • HDCP 2.2 compliant
  • IEEE 802.3af PoE compliant PD
  • Includes optional DC power adapter and mounting brackets
  • Compatible with NHD-000-RACK4 rack mounting kit (brackets included with decoder)

Audio and Video

Inputs 1x 8-pin RJ-45 female (Transmission from TX)
Outputs 1x HDMI Out 19-pin type A
1x Audio Out: 3.5mm (1/8in) TRS Stereo
Output Video Encoding JPEG 2000
Encoding Data Rate Max: 850Mbps
End to End Latency (Max) 1 video frame latency (pass-through mode) 16ms @60fps | 2 video frames latency (scaler/VW mode) 33ms @60fps
Audio Formats 2ch PCM | Multichannel: LPCM and Up to DTS-X and Dolby Atmos
Video Resolutions (Max) 1280x720p @50/59.94/60Hz 12bit 4:4:4/RGB
1920x1080i @29.97/30Hz 12bit 4:4:4/RGB
1920x1080p @23.98/24/25/29.97/30/50/59.94/60Hz 12bit 4:4:4/RGB
3840x2160p @23.98/24/25/29.97/30Hz 10/12bit 4:2:2/4:2:0 HDR10 HLG
3840x2160p @23.98/24/25/29.97/30Hz 8bit 4:4:4/RGB
3840x2160p @50/59.94/60Hz 8bit 4:2:0
720x480p @59.94/60Hz 12bit 4:4:4/RGB
720x576p @50Hz 12bit 4:4:4/RGB
60fps Progressive 4:4:4/RGB: 640x480 | 800x600 | 1024x768 | 1280x800 | 1280x960 | 1280x1024 | 1360x768 | 1366x768 | 1400x1050 | 1440x900 | 1600x1200 | 1680x1050 | 1920x1200
Passthrough mode:
Output at RX matches input at TX except for:
1) YUV 4:2:0 converted to 8bit RGB
2) For resolutions above 1920x1200 at 50/60Hz framerate is halved

Scaler mode:
User-selectable scaled output
1) All formats converted to 8bit RGB
2) Up to 3840x2160p @30Hz
Supported Standards HDR10 | HLG | BT.2020 | BT.709 | 3D Video
Maximum Pixel Clock 300MHz
3D HDMI 1.4b 3D: TnB, SbS, F.P

Communication and Control

1x LAN (PoE): 8-pin RJ-45 ANSI/TIA-568 8P8C, 1000Base-T, PoE PD (IEEE 802.3af)
USB 2x USB Device: USB Type A | Power: 5v 500ma per port | Data Rate: Max 9MB/s
IR 1x IR TX: 3.5mm (1/8in) TS Mono | 1x IR RX: 3.5mm (1/8in) TRS Stereo | Bidirectional Over Ethernet
RS-232 1x RS-232: 4-pin Phoenix Connector | 2 Way (RX only)


Power Supply 12V DC 1A
PoE IEEE 802.3af (15.4W at PSE)
Max Power Consumption 8W (with PSU)


Operating Temperature 32°F ~ 113°F (0°C ~ 45°C) 10% ~ 90%, non-condensing
StorageTemperature -4°F to ~ 158°F (-20°C ~ +70°C) 10% ~ 90%, non-condensing
Maximum BTU 51.18 BTU/hr

Dimensions & Weight

Rack Units/Wall Box <1U Flat on Shelf | 6U in NHD-000-RACK4
Height 25mm/1in
Width 220mm/8.67in
Depth 130mm/5.12in
Weight 0.75kg/1.65lbs


Safety and Emission CE | FCC | RoHS

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