Behringer FBQ3102HD Ultragraph Pro

I use this EQ to ring out mics on my analog PA. I use a visual spectrum analyzer to ID problem frequencies, and use a channel on this EQ model for every channel with a mic to kill potential feedback problems during stage/FOH soundchecks.

I cannot speak to it's feedback detection features, as I do not use it, I prefer have a dedicated visual spectrum analyzer. (Fun generation RTA-31, sold here at Thomann).

Price to performance, it is on point. Can't see a reason to spend more for an EQ unit. This one also sports an adjustable cross-over, for those using it to EQ a main PA output with it, though i cannot speak to that features' performance, as I do not use that either...

I'm happy with these units. I now own 5 of them. No problem so far.

I bought this for room eq with a small PA. Positives are that it was inexpensive and the feedback analysis enabled me to get a much flatter sound which was a bog benefit. It's compact, in fact so compact that a shallow 2U rack case is much bigger than you want and I found that a bit of a problem in small venues.

I've moved on to a different system now with a digital mixer but I can recommend this for PA or room EQ in a studio or home. The feedback eliminator is great if you don't have any other ways to use it, but if you learn about using a Graphic EQ you can go further.