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AVMATRIX HVS0403U Micro 4-Channel SDI & HDMI Video Switcher


Key Features

    • Compact 4-Channel Video Switcher
    • 2 HDMI and 2 SDI Autodetected Inputs
    • 1 HDMI Multiview, 2 HDMI PGM Outputs
    • USB-C Output for Streaming
    • Supports up to 1080p60 Video I/O
    • Luma/Chroma Key, Mix/Fade/Wipe Effects
    • T-Bar, Auto, and Cut Transitions
    • Audio Mixing and PiP Layout
    • Supports PNG, JPG, and BMP Logo Overlays
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Add professional video switching and audio mixing flexibility to your concert productions, house of worship, educational forum, or live sports programming with this HVS0403U Micro 4-Channel SDI & HDMI Video Switcher from AVMATRIX. Boasting two HDMI and two SDI autodetected inputs, the HVS0403U is a compact and user-friendly video switcher loaded with powerful features, including luma and chroma keying, mix/fade/wipe effects, audio mixing, and a picture-in-picture (PiP) or picture-on-picture (PoP) layout, using tactile functions such as auto and cut transitions or with the T-bar.

Bring in four separate sources for switching up to 1080p60 video with embedded audio, or mix in additional audio originating from two analog stereo 3.5mm mic/line inputs. An HDMI output with multi-view support provides ideal previewing functions, and two HDMI program outputs with scaling features give you flexibility for sending simultaneous signals to a display for live events and a recording terminal for editorial consideration. There is also a USB-C video output to connect to a computer for video capture and livestreaming, while a LAN port enables you to control the switcher using software via IP. Logo overlays are supported from a variety of different image file formats, including PNG, JPG, and BMP, and you have the option of capturing up to 16 screenshots and storing up to 16 images using the USB-A input with 39 default patterns and two color generators. A tally interface supports GPIO, still frame, mute, and fade-to-black (FTB) functionality.



    • Scaled Output and Multiview
    • USB Capture for Streaming
    • Upstream and Downstream Keying
    • Transition Effects
    • Powerful Media Management
    • Audio Mixing and Audio Follows Video
    • PC Control Software


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Available M/E Layers 2 M/E
Effect Types 1 x Graphic, Transition, Chroma Key, Alpha Key, Luma Key
Graphics Memory 32 Images
Downstream Keys 1 x Chroma, Luma, DVE
Generators 2 x Color
1 x Pattern
Audio Mixing 2-Channel Mixing


Switching Type Pushbutton, Software, T-Bar
Processing Resolution 1080p
Color Processing YUV


Number of Video Input Sources 4
Video Inputs 2 x HDMI Female
2 x BNC (3G-SDI) Female
Input Video Format HDMI
1080p 23.98/24/25/29.97/30/50/59.94/60 fps
1080i 50/59.94/60 fps
720p 24/25/29.97/30/50/59.94/60 fps
576p 50 fps
576i / 625 lines 50 fps
480p 59.94/60 fps
480i / 525 lines 59.94/60 fps
Audio Inputs 2 x 1/8″ / 3.5 mm TRS Stereo Analog Female
Input Audio Format Analog
Embedded Audio Input HDMI: 2-Channel (per Input)
SDI: 2-Channel (per Input)


Video Output Channels 2
Video Outputs 2 x HDMI Female (Program)
1 x HDMI Female (Preview)
1 x USB-C (USB Video) Female
Output Video Format HDMI
1080p at 23.98/24/25/30/50/60 fps
1080i 50/60 fps
1080p at 60 fps
Embedded Audio Output HDMI: 2-Channel (per Output)
USB-C: 2-Channel (per Output)
Multiview Output 4-Way Multiview via HDMI
Monitor Output 1 x HDMI


Other I/O 1 x DE-15/DB-15 Tally Input
1 x RJ45 LAN Input / Output
1 x USB-A Firmware, Service Input
Video Standard Compliance SMPTE 259M/292M/424M
Compatible Services Facebook Live, Livestream, Skype, Twitch, YouTube Live
Recording Media 1 x USB-A 2.0 (External Drives)


Processor Not Specified by Manufacturer
Wi-Fi None
Bluetooth None
Power I/O 1 x Barrel (7 to 24 VDC) Input
Power Consumption 12 VDC at 1 A (12 W)


Operating Temperature -4 to 140°F / -20 to 60°C
Storage Temperature -22 to 158°F / -30 to 70°C


Dimensions 9.63 x 5.64 x 1.75″ / 24.45 x 14.32 x 4.45 cm
Weight 2.3 lb / 1 kg