LinkPi ENC1Pro Compact 4K60 HDMI Encoder with NDI HX, Cellular USB, Real-Time Stream Switching, and Tally Light

The LinkPi ENC1Pro is a compact, high-performance 4Kp60 HDMI video encoder designed primarily for professional live streaming and broadcasting. It supports dual HDMI 2.0 inputs and outputs at resolutions up to 4K at 60fps, and handles multiple video compression formats such as H.265 (HEVC), H.264, and MJPEG, with bitrates up to 160 Mbps per channel.

Built around a quad-core Arm Cortex-A55 processor with 4GB DDR4 RAM and 8GB eMMC storage, this video encoder offers various features including real-time picture-in-picture, multi-view, watermarking, subtitles, audio mixing, and recording in formats like MP4 and MKV. Audio input/output supports various codecs and includes stereo line-in jacks. Connectivity is versatile with Gigabit Ethernet (with PoE), USB ports for 4G/5G/Wi-Fi modules, and support for streaming protocols like NDI HX (license required), RTSP, RTMP, SRT, and ONVIF. The built-in tally light and hot shoe interface enhance studio integration. Its user-friendly web interface allows remote management and live configuration. These features make this device suitable for live production, remote broadcasting, education, game streaming, and studio workflows.

LinkPi ENC1Pro HDMI Encoder Specifications

• SoC: Unknown quad-core Arm Cortex-A55 @ 1.4 GHz
• Memory: 4 GB DDR4 RAM
• Storage: 8 GB eMMC flash (approx. 6 GB user space)
• Video Input: 2× HDMI 2.0 inputs up to 4K @ 60fps
• Video Output:
  • 1× HDMI 2.0 loop-out (4K @ 60fps)
  • 1× HDMI 2.0 output (4K @ 60fps)
  • Video Encoding: H.265/HEVC Main, H.264 Baseline/Main/High, MJPEG/JPEG
  • Video Decoding: H.265, H.264, MJPEG/JPEG
  • Bitrate: Up to 160 Mbps per channel, CBR/VBR/AVBR/FIXQP, 1–60 fps
• Audio:
  • Stereo audio input/output via HDMI (48 kHz max)
  • 3.5 mm stereo line-in and line-out jacks
  • Supported codecs: AAC, MP3, MPEG-2, PCMA, OPUS (32/44.1/48 kHz)
• Networking:
  • Gigabit Ethernet with PoE support
  • USB Type-A for 4G/5G/Wi-Fi dongles (Wi-Fi 6, LTE, 5G supported)
• Streaming Protocols: NDI HX (license required), SRT, RTMP/RTMPS, RTSP, HLS, HTTP, UDP unicast/multicast, ONVIF, GB28181
• Features:
  • Built-in Tally light
  • Hot shoe interface for accessories (lights, microphones)
  • Real-time picture-in-picture, multi-view, watermarking, subtitles, logo overlay, scrolling text
  • Audio mixing and recording (MP4, MOV, MKV)
  • Web-based remote management and firmware upgrade
  • Multiple stream outputs and protocol switching without reboot
• Power: 12 V / 2 A DC, typical < 15 W
• Operating Temperature: 0°C to 70°C
• Dimensions: 129 × 104 × 34 mm
• Weight: 447 grams

The device supports converting HDMI or SDI video signals into NDI (Network Device Interface) format for IP transmission, though enabling NDI requires a separate license. Its software includes a web-based interface for remote setup, firmware updates, live parameter control, and network management. It also offers real-time video mixing features like picture-in-picture, logo and watermark overlays, subtitles, and scrolling text, with customizable fonts and branding. Multiple stream outputs and protocol switching are supported without rebooting, enhancing workflow flexibility.  The Wiki has more details, although nothing specific to the ENC1 Pro.

The LinkPi ENC1Pro is available on AliExpress for $322.69 (standalone) and on Youyeetoo for $277.67, with optional bundles adding Wi-Fi 6 or SDI to HDMI adapters.

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