I use them for 4 years.
particular feature I like most is that it's just a 2-way 38 and the tape very very strong. Another particular feature I like is the fact that we can also use it as a floor ... very very convenient. particular feature I like least ... bah there is none.
so I tried to model enormously and is the only two tracks that sounds like a. ..!!!
it is true that when I bought has cost me an arm ... almost 1400 pair with cables. but hey I think in this case they are worth.
yes I do it again this choice without any doubts.