AVMATRIX DE21-4K PRO is a bidirectional HDMI ↔ full-bandwidth NDI converter for production up to 4K60 with 4:2:2 colour sampling. It runs on PoE or USB-C, embeds and de-embeds 3.5 mm analogue audio and offers an LCD with tally and web configuration.
AVMATRIX DE21-4K PRO is a bidirectional HDMI ↔ full-bandwidth NDI converter for production up to 4K60 with 4:2:2 colour sampling. It runs on PoE or USB-C, embeds and de-embeds 3.5 mm analogue audio and offers an LCD with tally and web configuration.
One compact unit as both encoder and decoder: put an HDMI camera onto an NDI network, or convert an NDI source back to HDMI for a monitor, projector or switcher.

Full Bandwidth NDI up to 4K60 with YCbCr 4:2:2 8-bit sampling suits live production, studios and installations where image quality matters.
The same unit converts HDMI to NDI and NDI to HDMI.
PoE, or USB-C at 5–18 V.
3.5 mm audio for embedding and de-embedding, LCD with tally and status indicators.
No drivers, web configuration, detachable mounting bracket.
AVMATRIX DE21-4K PRO is a professional bidirectional HDMI/NDI converter for production at up to 4K60. It can encode HDMI to full-bandwidth NDI or decode NDI back to HDMI while preserving YCbCr 4:2:2 8-bit image quality.
One compact unit can be used as either an encoder or a decoder. Connect an HDMI camera to an NDI network or convert an NDI network source to HDMI for a monitor, projector, recorder or production switcher.
Full-bandwidth NDI support at up to 4K60 with YCbCr 4:2:2 8-bit color sampling suits live production, studio installations and image-critical presentation systems.
DE21-4K PRO can be powered through PoE or 5–18 V USB-C. A 3.5 mm audio connector supports analog audio embedding and de-embedding. The LCD with tally and status indicators provides immediate confidence at the device.
The unit is plug-and-play and detailed settings are available through a web interface. A detachable mounting bracket simplifies installation on a camera, rig or work surface.
The AVMatrix DE21-4K PRO is an advanced bidirectional converter between HDMI 2.0 and NDI, supporting resolutions up to 4K60. To fully leverage its potential in professional productions, it is recommended to pair it with NDI cameras, a video production switcher for signal processing, and capture cards for recording or streaming to a PC.
NDI and Network Infrastructure - Products fully compatible with the NDI protocol for seamless network integration.
Video switchers and mixers - Devices for mixing and distributing HDMI signals, which can be decoded or encoded using the DE21-4K PRO.
Signal Conversion and Distribution - Adapters and splitters for processing video signals before input or after output from the converter.
Recording and Streaming (Capture) - Cards and boxes for capturing HDMI output from a decoder to a computer via USB or PCIe.
Accessories and Tally Lights - Mounting accessories and broadcast status indicators.
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