Polk Audio AM1805 SurroundBar SDA Instant Home Theater (Black) Easy to install on a wall, thanks to built-in key hole slots Requires only a RCA stereo output from a TV, DVD play, or any source Stereo Dimensional Array (a patented Polk Audio exclusive) gives you digital surround sound with no clutter Complete home theater experience from a single speaker and an unobtrusive wireless subwoofer--no rear speakers, no extra wires Dynamic Balance drivers produce flat frequency response and sharp detail Complete home theater experience from a single speaker and an unobtrusive wireless subwoofer--no rear speakers, no extra wires Stereo Dimensional Array (a patented Polk Audio exclusive) gives you digital surround sound with no clutter Dynamic Balance drivers produce flat frequency response and sharp detail Requires only a RCA stereo output from a TV, DVD play, or any source Easy to install on a wall, thanks to built-in key hole slots