I’ve had good luck with The Cable Co. I’d try them again and see if you get a different rep. My experience has been very positive. I explain what I’m after and what my budget is and the result is 3-5 products in the range I’ve asked for and then I just listen & listen…
Here’s another idea, maybe in parallel, as an experiment. Ask ChatGPT. Write a good prompt including as much detail about your system as you can. See what comes back.