I do not get on here very much but i had to chime in. I have the ultimate 2 px upgrade panels, a pair of A3s with new mylar and a pair of pristine 2s . I have two systems running with A3s on one and U2 px on the other system. I live in south Florida so the bias does move a bit. I must say i can simply not live with a box speaker. I know they do some things quite well, but I hear drivers moving and boxes with xovers to top it off. I should mention that many pairs of crazy expensive box speakers have been in and out of my sound room. Sound-labs are not going to be for everyone because of the massive size and matching them with the proper gear. I did hear they are coming out with a couple of smaller speakers that are going to shake the audio world up a bit. Anyway the Sound lab family is a first rate builder of the best speakers on Earth even if they don't cost a crazy amount of cash.