SuperTooth has made several changes to the Disco Twin speaker package. Each of the Disco Twin speakers looks nearly identical to a single Disco 2 unit: a plastic and fabric shape somewhat like an exclamation point—a boxy hourglass with dimples closer to the bottom than the middle. However, while Disco 2 was jet black, Disco Twin’s top and bottom instead use gunmetal metallic plastic, interrupted with the same six black top buttons and…