Full Disclosure - The manufacturer provided me with this product for review. The car is very simple and works great in OBS, even on that particular old Mac Pro 9.1. It transmits high-quality video signals from any device with an HDMI output. Definitely recommended for gamers or streamers. The only issue I could see is the lack of a 3.5mm input. However, if you don't need a 3.5mm audio input, this is ideal. The company also makes other inexpensive tickets, so it just comes down to what you need.
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