MB Quart’s Premium-Line is defined by its very name. The Premium series represents MB Quart’s top-level performance, the best sound-quality large-run products available. With performance well above and beyond the competition, Premium Series blends leading-edge technology with the best available materials. MB Quart Premium series products incorporate proprietary and unique technologies gained from over 45-years of audio product design expertise. MB Quart Premium’s line-up is focused on the finer details and high quality, all with the resolution and precision of a laser beam. Leading off Premiums quest for the best, is MB Quart’s WideSphere™ ultra-wide dispersion tweeter technology.