Matrox Monarch HDX

  • Dual-Channel H.264 Video Encoder
  • SDI and HDMI I/O
  • Supports HD and SD Resolutions
  • 0 Frame Latency on SDI Loopthrough
  • Discrete Processing on Each Channel
  • Supports Flash and Wowza Platforms
  • Independent H.264 Preview Stream
  • Storage and Control over Network
  • Recallable Presets



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The Matrox Monarch HDX is a simple and versatile video encoding appliance specifically designed for broadcasters and webcasters who need a flexible solution that is powerful enough to take on today’s demanding webcasting and recording workflows.

HDX offers 3G-SDI and HDMI inputs with frame-synchronization to correct any discontinuity at the input, and two independent H.264 encoders that can be assigned to individual tasks. Webcasting to YouTube and Facebook Live is made easy through its simplified set up for these popular platforms. All that’s needed is to pair the device once with these accounts and it’s automatically retained for subsequent streams.

Simultaneous Streaming and Recording

The quality of your VOD downloads need never be dictated by the available upload bandwidth. Monarch HDX dual encoders can broadcast a live webstream at one bitrate while simultaneously recording mastering quality H.264 files for immediate availability, such as post event VOD or editing with your NLE of choice.

Dual-Channel Streaming

When used as a webcasting encoder, the Monarch HDX generates an H.264-encoded stream compliant with RTSP or RTMP protocols. You can assign each channel separately to deliver what you need, where you need. Each channel can stream up to 10Mb/s, allowing you to simultaneously stream to two destinations or set the device for up to 20Mb/s streaming quality for a single encoding destination.

Dual-Channel Recording

Monarch HDX provides a huge amount of flexibility as an H.264 video recorder. Content is captured as either MOV or MP4 files to ensure that recordings can be played by the viewer’s choice of application. Each recording channel can be stored independently to a local SD card or USB drive, or remotely on a network-mapped drive so that files are immediately available to anyone on the network. Recordings can also be encoded at different bitrates should there be a need to deliver content to devices with varying decode or bandwidth capacities.

Secure Back-Up with Disaster Recovery

By targeting local and remote storage simultaneously, Monarch HDX ensures that no action will be lost should the network go down. Furthermore, it provides users with the ability to create split files while recording; particularly useful when recording for extended periods of time. The user can set a specific file segment length and HDX will automatically stop recording in one file and start a new file once the elapsed time is reached, without losing a single frame. The split file feature also ensures the majority of content will be preserved if disaster hits such as a power failure. All files created up to that moment will be saved and uncorrupted.

Selectable HDMI and SDI Inputs and Simultaneous Outputs

Monarch HDX H.264 video recorder can accept signals from HDMI or SDI sources. The input is selected using the web based UI, Matrox Command Center, or directly on the unit itself, allowing for a wide range of connectivity to devices such as cameras, switchers or routers. Additionally, both inputs are complemented by internal frame synchronizers to ensure uninterrupted streaming and recording operations, regardless of the disturbance on the input. The audio is also selectable between the two channels of the embedded video signal or the analog stereo input. Audio may be dynamically muted/unmuted without affecting the video encoding operation.

Regardless of input selection, SDI, HDMI video and embedded and analog audio outputs are live. For SDI workflows, the Monarch HDX recorder has an extremely low pass-through latency with a built-in power-loss relay which, in case of power loss, will route the SDI input directly to the SDI output, ensuring signal path integrity and fail safe design options.

Closed Captioning Support

Ideal for broadcasters who require the integration of closed captioning while streaming and/or recording. Monarch HDX retrieves closed captioning data from the SDI VANC or line 21, then embeds the data within the H.264 essence as CEA-608. Caption-enhanced H.264 media can be streamed to video hosting platforms including YouTube and Ustream, media servers such as Wowza™, or a variety of content delivery networks (CDNs). MOV/MP4 files recorded with Monarch HDX preserves captions and can be included in VOD or archiving workflows.

Matrox Monarch HDX Features

  • Dual-Channel H.264 Video Encoder
  • SDI and HDMI I/O
  • Supports HD and SD Resolutions
  • 0 Frame Latency on SDI Loopthrough
  • Discrete Processing on Each Channel
  • Supports Flash and Wowza Platforms
  • Independent H.264 Preview Stream
  • Storage and Control over Network
  • Recallable Presets


  • HDMI Video Input
  • 1920 x 1080p 60/59.94/50/30/29.97/25/24/23.98
  • 1920 x 1080i 29.97/25
  • 1280 x 720p 60/59.94/50

HDMI Video Output

  • Preview output of video input signal
  • 2-frame delay from input to output
  • SD video output as windowed in an HD output

SDI Video Input

  • 1920 x 1080p 60/59.94/50/30/29.97/25/24/23.98
  • 1920 x 1080PsF 29.97/25
  • 1920 x 1080i 29.97/25
  • 1280 x 720p 60/59.94/50
  • 720 x 576i 25
  • 720 x 486i 29.97

SDI Video Output

  • Clean distribution of SDI incoming signal
  • 0-frame latency passthrough of Input signal
  • Hardware bypass relay present in SDI signal path is “closed” on power failure

Audio Input

  • Processes first two channels of audio embedded in HDMI or SDI input signals
  • Unbalanced analog stereo input via 1/8″ jack (3.5 mm)
  • Line level

Audio Output

  • Pass-through of 8 embedded audio channels in HDMI and SDI signals
  • Unbalanced analog stereo output via 1/8″ jack (3.5 mm), pass-through of input Line level.
  • Frame Synchronization: On both HDMI and SDI inputs.

Video Encoder:

  • Built-in H.264/MPEG-4 Part 10 (AVC)
  • Resolutions: 128 x 128 to 1920 x 1080

Video Bit Rates:

  • Single Encoder:
  • Streaming mode – 20 Mbps
  • Recording mode – 30 Mbps
  • Dual Encoder:
  • Maximum 10 Mbps for streaming channels
  • Maximum 30 Mbps combining both channels

Encode Frame Rates

  • Encode frame rates (fps): 60/50, 30/25/24, 15/12.5
  • Note: The maximum encoded frame rate is 30 fps when input resolution is 1920 x 1080
  • Encoding Profiles: Baseline, Main, and High

Encoding Controls

  • 0, 3.0, 3.1, 4.0, 4.1 level support
  • IBP GOP size and structure
  • Variable bit rate support
  • Average min/max data rate controls
  • De-blocking filter
  • Audio Encoder: MPEG-4 AAC
  • Audio Encoding: Standard AAC-LC
  • Sample Frequency: 32, 44.1, or 48 kHz when digitized from analog source
  • Channels: 2 channels stereo (L/R)

Audio Bit Rates

  • Range from 32 kbps to 256 kbps
  • Note: Audio codec settings are applied to streaming or files delivered by both encoders.


  • High quality multi-tap 10-bit scaler and de-interlacer
  • Available to both streaming and recording operations


  • Stream format: H.264/Bitrate: 300 kbps (average)/Stream type: RTSP
  • Recording Formats: MP4 and MOV with two channels of embedded AAC audio (maximum file length of 300 minutes)

Network Interface:

  • RJ45 connector providing 10/100/1000 Base-T Ethernet with Static or DHCP addressing
  • Protocols: RTMP, RTSP/RTP/ IPv4 support/ Unicast and Multi Unicast (from 3 to 10 clients)

User Interface

  • HTTP via standard PC or Mac web browser using Monarch HDX Command Center
  • Front panel push buttons for independent streaming and recording Start/Stop control

Recording Media

  • Support: 2x USB 2.0:
  • Support for NTFS file system
  • Monarch HD will support writing to USB 3.0 devices at USB 2.0 speeds

1x SD card slot:

  • Supports SD and SDHC cards
  • Supports SDXC cards formatted with NTFS

Network mapped drive:

  • Support for writing to Shared Folders in computers found on a network using NFS or Windows share protocols

Transport and Storage

  • Max operating altitude: 9,842 ft / 3,000 m
  • Max transport altitude: 39,370 ft / 12,000 m
  • Operating humidity: 20 to 80% relative humidity (non-condensing)
  • Storage humidity: 5 to 95% relative humidity (non-condensing)


  • EMI: FCC Class A, CE Mark Class A, ACMA C-Tick Mark, VCCI
  • Power Supply Safety: UL/CUL(UL60950-1), TUV-GS(EN60950-1), T-LICENSE(BS EN60950-1), CCC(GB4943.1-2011), PSE(J60950), SAA(AS/NZS60950-1), KC-MARK(K60950),S-MARK(IEC60950-1)
  • RoHS Directive 2002/95/EC


  • Line voltage: 100-240 VAC, 0.5 A
  • Frequency: 50-60 Hz
  • Input: external AC/DC adapter — IEC320-C8
  • Output: 9 to 24 VDC
  • Total power consumption: 20 to 30 W typical, 42 W max
  • DIN4 locking power connector
  • Operating Temperature 32 to 104°F / 0 to 40°C


  • 6 x 8.5 x 1.4″ / 14.2 x 21.6 x 3.6 cm
  • 6 x 8.5 x 1.5″ / 15.3 x 21.6 x 3.8 cm (including pads and BNC spigots)
  • Weight: Not Specified by Manufacturer

Packaging Info

  • Package Weight: 3.6 lb
  • Box Dimensions (LxWxH): 14.1 x 8.8 x 3.4″


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