I tried other brands before buying this one. Regarding using two tracks together, the Dewalt OEM version has chamfer in the extrusion and on the adapter bar such that when you tighten the set screws, the 2 angled surfaces attempt to center the adapter in the extrusion, thereby attempting to center /align the tracks to each other. blue frame raybans When I sent an email to elago regarding this issue it went ignored. I was even able to wear my glasses with them on yesterday and it was still comfortable the whole day. blue frame raybans Only used it once so far but quality of sound appears to be good. blue frame raybans Ive spent thousands on av equipment and this is by far my favorite. I gave this to my girlfriend for her birthday and she loved it. We do not have little ones but, we do have Grandkids that visit. blue frame raybans They also do not come off as easily. Affordable and quality are in tack!
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