Meet the AVMATRIX HVS0402U 4 HDMI Video Mixer: a multi-format video switcher for live streaming and multi-camera production. You can connect it to your game console, computer, camera, and other devices that output video. It comes with various transition effects such as dip and wipe.
This video mixer works with OBS and other comparable apps. It can stream to YouTube, Facebook, Twitter, and other platforms. The HVS0402U has 4 HDMI inputs and a USB-C output port. It also has ports for your mic and headphones. It supports switching up to 1080p60 video.