Ultra Encode HDMI Plus
Ultra Encode HDMI Plus

A Flexible & Universal Streaming and Recording Encoder

SKU: 531500000

  • Live streaming and recording with support for H.264, H.265, NDI® HX2 and NDI® HX3
  • Flexible choice of streaming protocols including RTMP, RTMPS, SRT, HLS and more
  • Control via web interface or optional Control Hub centralized management software


Specifications and Features

Input Features

  • Support for up to 4096x2160 4:4:4/4:2:2 30fps input and loop through signals
  • Input & loop through 8-Channel, 24-bit HDMI embedded audio
  • Input audio from 3.5 mm LINE IN

Encoding Features

  • Dual stream encoding profiles: main stream and sub stream up to 4096x2160p30
  • Max bitrate: 62Mbps (NDI® HX3), 32Mbps (Others)
  • Support for H.264/HEVC video encoding
  • Provide video aspect ratio conversion, image rotation and cropping for the main and sub streams
  • Encoding 8-channel AAC and audio channels mapping
  • Side-by-Side 3D video encoding

Streaming Features

  • Natively support Facebook, Twitch, YouTube and WOWZA
  • Supported streaming protocols: RTSP/RTMP/RTMPS/SRT Caller/SRT Listener/NDI® HX2/NDI® HX3/HLS/TS over UDP/TS over RTP/TVU ISSP
  • Allow simultaneous 6 sessions over multiple streaming protocols
  • Support for streaming schedule

Recording Features

  • Record to internal storage (128GB), external USB storage or network attached storage (NFS/CIFS)
  • Automatically upload recorded files to remote file storage platform
  • Video recordings in MP4, MOV or TS format
  • Normal recording and loop recording supported
  • Support for recording schedule


  • PoE available
  • Tally lights for NDI® HX3
  • Remote control via Web GUI and Control Hub
  • Provide HTTP APIs
document document Download


History version Arrow Arrow

46.7 MB | 2024.05.21

  1. Support setting the number of audio streams.
  2. Audio output supports mixing LINE IN.
  3. Support setting global network priority.
  4. Update Facebook API.
  5. Fix known issues.
Documents User Manual for Ultra Encode Plus
English | 7.87 MB | 2024/05/21
Documents Quick Start Guide for Ultra Encode Plus
English | 5.02 MB | 2023/11/16


Power Adapter (US/EU/UK/AU/JP)x1

Part number: ACC08010

USB 2.0 Type B cable x1

Part number: ACC00065

HDMI Cable x1

Part number: ACC00090

Wi-Fi Antenna x1

Part number: ACC09021

T-bracket x1

Part number: ACC02241

We recommend you always use the included accessories to avoid unnecessary damage to your device. Please note, the appearance of the power adapter may vary due to suppliers or batches. The images here are for reference only.

NDI® is a brand of the Vizrt Group.