ZVOX 325 High-Performance Single-Cabinet Surround Sound System (Discontinued by Manufacturer) ZVOX's best-seller. Critics compare it to far more expensive, more complicated systems Requires only one connecting cord. PhaseCue virtual surround system to give you rich, three-dimensional sound with movies or music. MDF (medium density fiberboard) speaker cabinet, the same material uses in most high-end loudspeakers. "Superior to most we've tested" - CNET ZVOX's best-seller. Critics compare it to far more expensive, more complicated systems Requires only one connecting cord. PhaseCue virtual surround system to give you rich, three-dimensional sound with movies or music. MDF (medium density fiberboard) speaker cabinet, the same material uses in most high-end loudspeakers. "Superior to most we've tested" - CNET High-Performance Single-Cabinet Surround Sound System