"AD3 is a great multi-freq feedback killer - sounds awsome"

Feature:
Love the feedback control. It does cut the volumn a bit on the troublsome freqs, but it has to in order to kill the feedback. Simple layout for controls.

Quality:
It's a Boss - durable

Value:
Needed to kill the feedback and this really fit the bill, cuts out multiple freqs - not too expensive, and with the extra chorus and reverb, its a good deal

Desirability:
Like I said, I needed a product that cut the multiple feedback freqs.

Sound:
I play jazz through a big hollow body and really like the tone controls. The bottom setting really adds nice rich tones and I can cut the top way back to give the tone a great "dark" or heavy sound without loosing the punch. The chorus is a nice feature also, reverb isn't bad, but I use the spring on my amp.

Support:
Haven't had to deal with them - so they start off with a 10 and get knocked down when they misbehave

Overall:
very satisfied