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Blackmagic Design

Blackmagic Design BMD-BDLKWEBPTR4K Web Presenter 4K

$805.00

Add live streaming to the internet to your video production setup using the Web Presenter 4K from Blackmagic Design. The Web Presenter 4K is a compact desktop device that allows you to connect any SDI video input and stream it live onto the Internet, using Ethernet or tethering via USB to your smartphone using a 5G or 4G connection. The SDI and HDMI monitor outputs allow you to see a wide range of live status information along with your broadcast.

The USB Type-C port allows you to connect any USB video source such as a webcam or computer, so it's capable of broadcasting 4K video and audio on any webcam-compatible platform and software such as Skype, YouTube Live, Facebook Live, Twitch, Periscope, Teams, and more on Mac, Windows, Linux, and Chrome OS systems. It supports the H.264 codec and streams via RTMP and SRT, and it can stream in resolutions up to UHD 4K.

The SDI and HDMI monitor ports provide detailed status information on your feed, so you can monitor whether you are ON AIR as well as input status such as bit depth and stream quality, embedded audio input status, video and audio history, trend graphs, and video and audio meters. You can also see basic status information on the bright LCD screen on the front of the unit. There is also an SDI loop output for monitoring the original feed and sending it to a switcher or router.

The compact form factor allows you to fit it right into your broadcast setup, and it is compatible with optional rack shelves, in case you want to install it in a 1 RU rack. Its dual AC/DC redundant power input is handy, in case you lose mains power, and you can utilize the 4-pin XLR input for DC power. The Web Presenter 4K is also compatible with the Blackmagic ATEM Streaming Bridge to decode the streams back into HDMI or SDI signals for additional routing options.

View Product Features
  • Live Stream 4K Video to Internet
  • Input 12G/6G/3G-SDI Video up to UHD 4K
  • SDI/HDMI Monitor Output up to 1080p60
  • Supports H.264/RTMP & SRT Streaming
  • Use USB Type-C as Webcam or 5G/4G Tether
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    BMD-BDLKWEBPTR4K

    Blackmagic Design BMD-BDLKWEBPTR4K Blackmagic Web Presenter 4K

    $805.00
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About the Blackmagic Design BMD-BDLKWEBPTR4K Web Presenter 4K

The Blackmagic Design Web Presenter 4K is a dedicated hardware device designed to simplify and professionalize live streaming and web conferencing. It acts as a bridge between professional video sources—such as broadcast cameras, switchers, or gaming consoles—and a computer, converting high-quality SDI or HDMI video into a clean, reliable USB webcam signal. This allows users to leverage professional video equipment to achieve a broadcast-quality look in software like Zoom, Skype, OBS, vMix, Twitch, or YouTube Live, without dealing with the latency, quality loss, or reliability issues often associated with software capture cards. A key upgrade in the "4K" model is its ability to accept 4Kp60 inputs and intelligently downconvert them to a pristine 1080p or 720p USB signal, ensuring compatibility with streaming platforms while utilizing high-resolution sources for better cropping and digital zoom flexibility.

Beyond simple conversion, the Web Presenter 4K includes built-in professional features typically found in broadcast encoders. It has a hardware H.264 encoder that can create a standalone RTMP stream directly to a platform like Facebook or YouTube, independent of a computer. It also functions as a audio mixer, combining audio from its inputs (embedded SDI, HDMI, or analog XLR) with a microphone input (3.5mm) and computer audio. Advanced features include titling for adding lower-thirds graphics, frame synchronization to eliminate glitches when switching sources, and a T-Bar for smooth manual transitions between two video inputs (like a camera and a graphics feed). Its front-panel LCD and buttons provide full control without needing software.

Housed in a compact, rugged metal case, the Web Presenter 4K is built for both studio and mobile use. It can be powered via USB-C from a computer or with an optional AC adapter for standalone streaming. By combining professional I/O, hardware encoding, mixing, and switching in one simple device, it empowers content creators, educators, corporate communicators, and houses of worship to produce high-production-value live streams and video calls with minimal complexity.

Key Features

  • Live Stream 4K Video to Internet
  • Input 12G/6G/3G-SDI Video up to UHD 4K
  • SDI/HDMI Monitor Output up to 1080p60
  • Supports H.264/RTMP & SRT Streaming
  • Use USB Type-C as Webcam or 5G/4G Tether

Blackmagic Design BMD-BDLKWEBPTR4K Web Presenter 4K Specs

Video Input & Processing
Input Connectors
2 x HDMI 2.0, 2 x 12G-SDI (BNC) - All inputs can be used, with selection via front panel.
Maximum Input
4Kp60 (2160p60) via HDMI or 12G-SDI.
Downconversion
High-quality hardware downconversion from 4K to 1080p or 720p for USB/Stream output.
Frame Sync
Built-in frame synchronizer on all inputs for stable switching.
Output & Streaming
USB Output
USB 3.0 Type-B output, appears as a UVC (USB Video Class) webcam to the computer.
USB Resolution
Up to 1080p60 or 720p60.
Standalone Streaming
Built-in H.264 hardware encoder for direct RTMP/RTMPS streaming to platforms (no computer needed).
Stream Output Resolution
Configurable up to 1080p30.
Audio
Audio Inputs
Embedded in SDI/HDMI, 2 x XLR Analog (Mic/Line Level, Phantom Power), 1 x 3.5mm Stereo Mic/Line.
Audio Mixer
Combines all audio sources with level controls; can mix in computer audio (via USB).
Audio Output
Embedded in USB video feed and stream; 1 x 3.5mm stereo headphone output with level control.
Control & Features
Titling
Built-in title generator for adding text/graphics overlays (lower thirds).
Switching
Front-panel T-Bar for smooth transitions between two selected video inputs (A/B style).
Display
Front-panel color LCD screen for setup, monitoring, and control.
Control Software
Optional Blackmagic Web Presenter Setup software for remote control from a computer.
Physical & Connectivity
Power
USB-C bus power (from computer) or via optional 12V DC power adapter.
Enclosure
Rugged metal casing.
Dimensions (WxDxH)
Approx. 150 x 125 x 45 mm (5.9" x 4.9" x 1.8")
Weight
Approx. 700 g (1.5 lbs)
Connectivity
USB-B, HDMI In x2, SDI In x2, XLR x2, 3.5mm Mic, 3.5mm Headphone.

Key Features

  • Live Stream 4K Video to Internet
  • Input 12G/6G/3G-SDI Video up to UHD 4K
  • SDI/HDMI Monitor Output up to 1080p60
  • Supports H.264/RTMP & SRT Streaming
  • Use USB Type-C as Webcam or 5G/4G Tether
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