ATEN CamLive™ Pro 4K 4-Input HDMI to USB Video Switcher

UC3430

  • Captures 4 channels of 4K @ 60 HDMI, mixes and switches the streams while providing audio mixer functionalities and seamless transition for pro-level broadcasting
  • Multiple output options:
    – HDMI PGM / Loop-through at 4K @ 60 for preview and monitoring purposes
    – USB-C output 4K @ 30 for live broadcast on the Internet
  • Versatile control methods via the front panel pushbuttons, RJ-45 port for serial control via ATEN VK Control System, and ATEN OnAir Lite app
  • ATEN OnAir Lite app – users can remotely control device settings in real-time, including multiple AV source switching/mixing, content cropping/resizing, layout options (full screen / PiP / PbP / PoP), transitions, Chroma Key, and logo adding

The ATEN CamLive Pro 4K UC3430 is a professional 4-input HDMI to USB video switcher designed for high-quality live streaming, video production, and online broadcasting. It captures up to four HDMI 4K @ 60Hz video sources, allowing users to switch, mix, and stream multiple camera feeds through a single device with exceptional image quality and smooth transitions.

Designed for content creators, broadcasters, educators, and corporate presenters, the ATEN CamLive Pro 4K UC3430 simplifies multi-camera production by combining video switching, audio mixing, and live streaming into one compact solution.

Professional 4K Multi-Camera Streaming

The ATEN CamLive Pro 4K UC3430 captures up to four HDMI sources at 4K @ 60Hz and provides multiple output options for professional broadcasting.

Key Features

  • Professional 4-input HDMI to USB video switcher
  • Captures up to four HDMI sources at 4K @ 60Hz
  • HDMI Program Output and Loop-through at 4K @ 60Hz
  • USB-C streaming output up to 4K @ 30Hz
  • Built-in audio mixer with four HDMI audio inputs and one line-level input
  • Supports Picture-in-Picture (PiP), Picture-by-Picture (PbP), and Picture-over-Picture (PoP)
  • Chroma Key support for virtual backgrounds
  • Custom logo overlay support
  • Multiple transition effects
  • Remote control through ATEN OnAir Lite
  • Front panel and RJ-45 serial control support
  • Compatible with ATEN VK Control System
  • Supports Zoom, Microsoft Teams, YouTube, Facebook Live, OBS Studio, XSplit, Twitch, and GoToWebinar
  • USB-C Plug-and-Play operation
  • UVC/UAC v1.1 compliant
  • Compatible with Windows and macOS
  • Optional rack mount installation
Connectors
Video In 4 x HDMI Type A Female (Black)

(HDMI TMDS compatible and without the support of FRL/VRR/ALLM/eARC. Max. input video resolution up to 3840 x 2160p60 including stereo audio signals only)

USB Port USB 3.2 Gen1 Type-C Male (Black)

(USB-C to USB-C and USB-C to USB-A cable package included)

Video Output 1 x HDMI Type A Female (PGM Video, Black)
1 x HDMI Type A Female (Loop-Thru Video, Black)
Audio Inputs 1x unbalanced audio via 6.35mm TRS connectors (Black)
Audio Outputs 1x unbalanced audio via 6.35mm TRS connectors (Black)
Video Resolution Video input:
720p50, 720p60, 1080p25, 1080p30, 1080p50, 1080p60
4096 x 2160 25p/30p/60p, 3840 x 2160 25p/30p/60p , HDMI unencrypted
Audio Sampling 16‐bit PCM encoded audio at 44.1KHz and 48KHz sampling rates
Output PGM HDMI video out:
720p: 1280 x 720 25p/30p/50p/60p
1080p:1920 x 1080 24p/25p/30p/50p/60p
2160p: 3840 x 2160 24p/25p/30p/50p/60p, HDMI unencrypted

Uncompressed USB video (UVC) stream with audio(UAC)
720p: 1280 x 720 25p/30p/50p/60p
1080p:1920 x 1080 24p/25p/30p/50p/60p
2160p: 3840 x 2160 24p/25p/30p

(Uncompressed video stream is only available on USB3.1 connection)

Minimum Hardware Requirements PC/Mac:
CPU: Intel® i3 Dual Core 2.8Ghz or higher
RAM: 4GB or more
One USB-C interface or USB-A interface
Control
Contact In RS-232 connection via RJ45 interface
RS-232 Flow Control: RTS/CTS, XON/XOFF
FIFO: 64 bytes
Baud rate: 50bps ~921.6Kbps
Stop bit: 2 stop bits (9600 8N2) OR 1 stop bit (1,1.5, 2)
Parity: no parity
Signal: TxD, RxD, RTS, CTS, DTR, DSR, GND
USB Support ATEN OnAir Lite App, App downloadable from Microsoft Store
System Requirements Windows 10 and above with UVC/UAC v1.1 support
Mac OS X 10.13 and above with UVC/UAC support
OS Support OnAir Lite App for Windows10 and above only

Power Consumption DC12V:20.49W:100BTU/h

Note:
● The measurement in Watts indicates the typical power consumption of the device with no external loading.
● The measurement in BTU/h indicates the power consumption of the device when it is fully loaded.

Environmental
Humidity 0 – 80% RH, Non-Condensing
Storage Temperature -20 – 60 ºC
Operating Temperature 0 – 40 ºC
Physical Properties
Housing Metal
Weight 1.03 kg ( 2.27 lb )
Dimensions (L x W x H) 20.00 x 16.46 x 4.40 cm
(7.87 x 6.48 x 1.73 in.)
Note For some of rack mount products, please note that the standard physical dimensions of WxDxH are expressed using a LxWxH format.

Datasheet : download

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