PTZCam Capture 4 Mobile – 4-channel Thunderbolt 3 Capture Interface with 2 SDI, 2 HDMI, Stereo Audio Inputs


Turn your Thunderbolt 3 compatible Mac or PC to a multi-camera production studio!

In stock

  • Free US shipping on all orders over $200
  • 30 day returns (restock fee applies for some items)
  • In stock items ship next business day
Guaranteed Safe Checkout

The Capture 4 Mobile from PTZCam is a 4-channel Thunderbolt video capture interface for Mac and PC computers. It features two (2) 3G-SDI inputs and (2) HDMI inputs, as well as one 3.5mm stereo analog audio input. Connect to the Thunderbolt 3 port on a compatible computer and get access to these video and audio sources in your preferred video production software, including vMix, OBS, and Wirecast.

Key Features

  • 2 HDMI + 2 SDI video signal inputs
  • 1 x 3.5mm analog audio input
  • Input video format: Up to 1080P60
  • DirectShow compatible with video capture, YUV422 video output
  • DirectSound compatible with audio capture, PCM 48K stereo
  • Mac, Windows operating system


  • Thunderbolt 3 40Gb/s transmission bandwidth
  • Video processing is done by the capture card and does not occupy the host CPU.
  • Automatically determines the input video format and notifies you of the input video format.

Product specifications


Host interfaceThunderbolt 3 40Gb/s
Video input interface2 HDMI+ 2 SDI video signal input
Audio capture4-channel (2 HDMI + 2 SDI) embedded audio, 1-channel 3.5mm audio
External Monitor Output1x DisplayPort, 1x Thunderbolt 3


Input formatHDMI 1.4, 3G-SDI
Video captureComplies with the DirectShow specifications
Audio captureComplies with the DirectSound specifications
Output color spaceYUY2
Enter the resolution1080P60 and down (support writing non-standard resolution)
Acquisition resolution1080P60 and down
Hardware deinterlacingSupport 1080i hardware deinterlacing, 3D noise reduction algorithm, clearer picture


Operating system supportMac, Windows 10/11 32bit/64bit
Compatible softwarevMix, OBS, Wirecast
Compatible with live streaming platformsSupports any live streaming platform compatible with above software
Compatible with development interfacesDirectShow (Windows) standard interface
Dimensions 7.67 in (L) x 5.9 in (W) x 1.96 in (H)  /  195mm (L) x 150mm (W) x 50mm (H)
Power consumption<=2.0W
Operating temperature range0-85 degrees Celsius
Save the temperature range-20-70 degrees Celsius
Save the humidity range5%-90%

Additional information

Weight3 lbs
Dimensions12 × 8 × 6 in


There are no reviews yet.

Be the first to review “PTZCam Capture 4 Mobile – 4-channel Thunderbolt 3 Capture Interface with 2 SDI, 2 HDMI, Stereo Audio Inputs”