First shown in January at CES, Tango TT is the sort of speaker we’ve come to expect from XtremeMac over the past several years: a design that’s unconventional but smart, targeted at a specific and practical user experience, and arguably just a little late to market. Unlike any other speaker system we’ve seen for Apple’s devices over the years, Tango TT is shaped like an oversized tray, housing four total speakers inside a roughly…