ZVOX Mini Ultra-Compact Single-Cabinet Surround Sound System (Discontinued by Manufacturer) One of world's smallest surround sound systems -- only 13-Inch wide Plug-and-play -- requires only one connecting cord. PhaseCue virtual surround system to give you rich, three-dimensional sound with movies or music. Built-in powered subwoofer delivers rich, natural bass response to 63 Hz. The ZVOX Mini proves good sound can come in a small package.