The AVMatrix DE20-4K-NDI 4K HDMI Encoder & Decoder is a versatile 2-in-1 professional streaming solution that combines 4K HDMI encoding and decoding with IP streaming capabilities. Supporting protocols including SRT, RTMP(S), RTSP, and optional NDI|HX3, it delivers high-quality live streaming, recording, USB capture, PTZ camera control, and multi-platform broadcasting in a compact and reliable device.
The AVMatrix DE20-4K-NDI 4K HDMI Encoder & Decoder is a professional-grade 2-in-1 HDMI and IP streaming solution designed for live production, broadcast, education, worship, corporate AV, and content creation applications. Combining both encoding and decoding functionality in one compact unit, the DE20-4K-NDI enables seamless bidirectional conversion between HDMI and IP streams for flexible professional workflows.
Equipped with a 4K60 HDMI input and zero-latency HDMI loop output, the device supports high-quality encoding and decoding up to 4K30 resolution. It supports multiple professional streaming protocols including RTSP, RTMP, RTMPS, SRT, and optional NDI®|HX/HX2/HX3, allowing smooth integration into modern IP-based production systems and streaming platforms.
The integrated USB capture functionality operates driver-free and works seamlessly with popular software platforms such as OBS Studio, vMix, Zoom, and Twitch. Users can also record directly to SD cards, USB storage devices, or NAS systems at resolutions up to 4K30 for reliable local archiving and content production.
Flexible audio connectivity includes 3.5mm audio input/output and USB audio input support, while advanced PTZ camera control compatibility with VISCA, Pelco D/P, and NDI protocols enables remote camera management. The built-in tally light provides clear PGM/PVW status indication for professional live production environments.
For easy operation and monitoring, the unit features an OLED display, intuitive front panel controls, and a web-based GUI interface. Flexible power options include PoE+ (802.3at), DC input, DC output, and USB power output, making the DE20-4K-NDI suitable for both fixed installations and mobile production setups.
Key Features
- 2-in-1 HDMI encoder and decoder
- HDMI and IP stream bidirectional conversion
- Supports SRT, RTMP, RTMPS, RTSP, and optional NDI|HX3 protocols
- 4K60 HDMI input with zero-latency HDMI loopout
- Encoding and decoding up to 4K30
- Built-in NDI® encoding and decoding (optional NDI|HX/HX2/HX3 support)
- Driver-free USB capture compatible with OBS, vMix, Zoom, Twitch, and more
- Recording to SD card, USB disk, and NAS
- Multi-platform live streaming support for YouTube, Facebook, Twitch, Vimeo, and others
- Flexible audio input and output options
- Remote PTZ camera control via VISCA, Pelco D/P, and NDI
- Built-in tally light with PGM/PVW indication
- OLED display, web GUI, and front panel controls
- Flexible power support with PoE+, DC input/output, and USB output
- Compact and reliable design for professional AV workflows
- AVMatrix DE20-4K-NDI Encoder & Decoder
- 12V 2A Power Adapter
- User Manual
Video
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Encoder: HDMI In ×1, HDMI Loop ×1
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Decoder: HDMI Out ×1
Audio
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3.5mm Audio In & Out ×1
Network
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LAN (PoE) ×1
USB
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USB Type-A ×1
Recording
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SD Card
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USB Disk
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NAS
Video Formats
HDMI Input & Loop
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Encoder: Up to 2160p60
HDMI Output
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Decoder: Up to 2160p30
Encoder Formats
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2160p30/25/24
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1080p60/50/30/25/24
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1080i60/50
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720p60/50
Decoder Formats
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2160p30/25/24
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1080p60/50/30/25/24
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1080i60/50
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720p60/50
IP Streaming
Stream Protocols
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Encoder: RTSP / RTMP / RTMPS / SRT / NDI*
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Decoder: RTSP / RTMP / RTMPS / SRT / NDI*
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*Optional NDI support: NDI|HX / HX2 / HX3
Bit Rate
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Up to 50Mbps
Functions
Recording Formats
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FAT32 / exFAT
PTZ Control Protocols
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Pelco D/P
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VISCA
USB Host Functions
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Encoder: USB recording / USB audio input
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Decoder: USB video to IP stream & HDMI output / USB PTZ camera control
USB Device
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Encoder: UVC Capture
Power
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DC Input: 6–20V
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PoE+: IEEE 802.3at
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DC Output: 6–20V (Max 1A)
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USB Output: 5V/1A
Power Consumption
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≤8W
Dimensions
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104 × 125.5 × 24.5 mm
Weight
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Net: 501g
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Gross: 820g
Temperature
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Operating: -20°C to 60°C
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Storage: -30°C to 70°C
