I don’t review a lot of $650 headphones. That’s because most audio companies sell their top-of-the-line gear around $300-$400. Noble Audio isn’t like most companies. The FoKus Rex5 earbuds, for example, cram in five separate drivers where much of the competition uses two at the most. Noble was also among the first to employ xMEMS drivers in wireless earbuds in a bid to improve bass performan [...]