Magewell USB Capture HDMI Plus – DCI 4K USB 3.0 Capture with Loop-Through

Product Overview

The Magewell USB Capture HDMI Plus is a single-channel USB 3.0 HDMI capture device engineered for 24/7 operation in commercial AV, conferencing, and production environments. It accepts HDMI signals at up to 4096x2160 (DCI 4K) resolution with a built-in HDMI loop-through output, allowing the source signal to pass to a display while simultaneously delivering captured video to a connected computer. Designed for AV integrators configuring Microsoft Teams Rooms, Zoom Rooms, and corporate streaming workflows, the USB Capture HDMI Plus operates as a plug-and-play USB video class device on Windows, Mac, Linux, and Chrome OS without requiring driver installation.

Product Description

The USB Capture HDMI Plus is built around a 297MHz HDMI receiver with an adaptive equalizer capable of accepting HDMI cable runs up to 98 feet (30 meters), making it suitable for conference room and training room installations where the capture device may sit at a credenza or rack location away from the source. The device captures video at resolutions up to 2048x2160 at frame rates up to 120fps, with a 160M pixels/second processing pipeline that handles deinterlacing, up/down scaling, aspect ratio conversion, color format conversion, frame rate conversion, flip, and mirror in hardware. Custom EDID support allows integrators to precisely control what resolutions and audio formats the source device negotiates. The integrated 3.5mm microphone input and headphone output add a USB audio card function to the device, consolidating connectivity for UC platform deployments. The device includes Zoom Rooms certification and is compatible with Microsoft Teams Rooms, Skype for Business, Google Hangouts, GoToMeeting, OBS Studio, XSplit, and any DirectShow, V4L2, or AVCaptureSession-based application. For custom integration, the MWCapture SDK provides Windows DirectShow/WASAPI, Linux V4L2/ALSA, and macOS AVCaptureSession/AudioUnit APIs. With a 3-year warranty and a commercial-grade design rated for continuous 24x7 operation, the USB Capture HDMI Plus is a dependable choice for deployed conference room and commercial meeting space installations.

Key Features

• DCI 4K Input Support — The 297MHz HDMI receiver accepts input resolutions up to 4096x2160, including 4Kp60 4:2:0 from sources such as modern game consoles and 4K presentation systems.
• HDMI Loop-Through — Passes the full-resolution input signal to a downstream display simultaneously with USB capture, requiring no signal splitting in the signal chain.
• Adaptive Equalizer — Compensates for cable signal loss at HDMI runs up to 98 feet, reducing sensitivity to cable length and quality in installed AV environments.
• Custom EDID Management — Allows integrators to define the EDID presented to the source device, ensuring the source outputs the correct resolution and audio format for the capture workflow.
• USB 3.0 Interface — Connects via USB 3.0 (backward-compatible with USB 2.0 and USB 3.1 Gen 1); the device requires no drivers on Windows 10/11, Linux 2.6.35+, macOS 10.9+, or Chrome OS.
• 3.5mm Audio I/O — Provides a combined microphone input for analog audio capture and headphone output for monitoring, functioning as a USB audio device for UC platform integration.
• Hardware Video Processing — 160M pixel/second pipeline performs deinterlacing, up/down scaling, aspect ratio conversion, color format conversion, frame rate conversion, flip, and mirror in hardware on the device.
• Zoom Rooms Certified — Certified for Zoom Rooms and compatible with Microsoft Teams Rooms, Skype for Business, OBS Studio, XSplit, VLC, and all major UC and streaming platforms.
• MWCapture SDK — Supports Windows DirectShow/Wave API/DirectSound/WASAPI, Linux V4L2/ALSA, and macOS AVCaptureSession/AudioUnit for custom software integration.
• Commercial-Grade 24/7 Operation — Rated for continuous operation and backed by a 3-year warranty, suitable for deployed commercial meeting space and always-on production environments.

Typical Applications

• Conference room
• Boardroom
• Huddle room
• Training room
• Commercial meeting space
• Broadcast studio
• All-hands room

Technical Specifications

Frequently Asked Questions

Does the USB Capture HDMI Plus require driver installation?
No. The device operates as a USB video class (UVC) and USB audio class (UAC) device and is recognized natively by Windows 10/11, Linux 2.6.35 and later, macOS 10.9 and later, and Chrome OS without any driver installation.

Can I use the HDMI loop-through to feed a display while capturing?
Yes. The loop-through output passes the full input signal to a downstream display at its native resolution, completely independent of the capture resolution and frame rate selected by the software.

What is the maximum HDMI cable length supported?
The 297MHz HDMI receiver includes an adaptive equalizer that compensates for signal loss on runs up to 98 feet (30 meters), though actual performance depends on cable quality.

Is this device certified for Microsoft Teams Rooms or Zoom Rooms?
The USB Capture HDMI Plus holds Zoom Rooms certification and is listed as compatible with Microsoft Teams Rooms, Skype for Business, and other major UC platforms.

Can I capture 4K resolution?
The input accepts DCI 4K (4096x2160) at 30fps 4:4:4/4:2:2 or 60fps 4:2:0. The USB 3.0 interface delivers captured video at resolutions up to 2048x2160, with the host system's USB bandwidth determining achievable frame rates at higher resolutions.

Does the device support continuous 24/7 operation?
Yes. The USB Capture HDMI Plus is rated for continuous 24-hour, 7-day operation and carries a 3-year warranty, making it appropriate for permanently installed commercial AV environments.

Is there an SDK available for custom software integration?
Yes. The MWCapture SDK supports Windows DirectShow/Wave API/DirectSound/WASAPI, Linux V4L2/ALSA, and macOS AVCaptureSession/AudioUnit for developers building custom capture applications.