i believe they only offer up to 3a-signature, so setup IF follow the hyper detailed manual is not difficult...and may not require deler physical visit help to get the most out of the speaker....yes this is a trade off maybe....
( although i would add hard won dealer knowlege is hard to beat )
Music Direct is a large operation that can reach many many markets totally unserved by a brick and morter dealer with financial muscle to have a return policy ( on $4.5 K pair speakers ) and stocking a wide variety of colors, finish, etc....
i think it was a prudent, well thought out deliberation on his part, by no means perfect but probably necessary in the evolutionary market for hi-fi.....
just my $$$1.5