BQEYZ Summer Review BQEYZ Summer is the 3rd flagship IEM from the maker. First two were Spring 1 and Spring 2 which were also hybrid IEMs with 1 dynamic driver, 1 balanced armature driver, and 1 piezoelectric driver. BQEYZ makes no changes as drivers but changes the specs of course, like the diaphragm of the dynamic driver or the layers in the piezo driver. (7 for Spring 1, 9 for Spring 2, and 5 for the Summer). I don’t have … Continue reading Who Doesn’t Love Summer?