I have a set of montis panels in box.
With my original panels I felt that the sound from one was weaker than the other and had gotten progressively weaker. I don’t know that the panel had a problem I just wasn’t happy with it.
I got a set of replacements I installed so at worst this box has a good panel and one that may have presented a bit weaker (maybe needs to be washed?)
I just don’t want to trash them. $200 plus shipping. Based in LA.