I suggest start by narrowing down what works. That will help you eliminate variables and get closer to identifying what is causing the issue.Does the output of the Roland work to something other than the capture device, such as a monitor, tv or projector?
Do the camera connected to the Roland...
Here is a video with something similar, and some links in the video description:Here is also a similar product on Aliexpress with some links to software: https://www.aliexpress.us/item/3256803825313003.htmlGood luck!
What's the read on worrying about latex allergies? https://www.abc.net.au/news/2017-08-19/near-death-at-adele-concert-sparks-allergy-awareness-campaign/8822316
If you haven't already, try trading out components to see if the problem follows the component. Give your leads different mics (same transmitters) and give those mics to other actors. If the problem stays with the leads and doesn't follow to the other actors, it isn't the mics. Try different...
$150/mic is a budget priced mic.Microphone Madness: https://www.microphonemadness.com/lapel-hair-microphones-micro-miniature.html. I believe the $50 upcharge for the bullet proof build is worth it.I fear if you try to go too cheap you will be posting the exact same post next season.
I don't think you are going to find a single unit, single device solution. The closest I can come up with would be putting one of these into something like this. I don't even know if that would actually work, and it isn't easy to find prices on those Advoli cards, but it looks like you'd be...
I use one of these:
https://www.amazon.com/dp/B01N5RCZQH/?tag=controlbooth-20I didn't purchase it specifically for this purpose, but I had it laying around and it works great. IIRC, I gave the WAN port on the device a static IP on the lighting network (no DHCP on the lighting network...