Polk Audio SurroundBar 4000 IHT Virtual Surround Speaker Bar with Wireless Su... On-board Dolby Digital processing: connect directly to your TV, DVD or Blu-Ray player, or gaming console. Installs anywhere easily, with the simple secure wall-mounting slots or shelf pads.Magnetically shielded for placement on or near any type of video monitor. Anti-diffraction grille and bezel design create surprisingly open, spacious imaging.Extruded aluminum enclosure is designed to eliminate performance-robbing cabinet resonances. Easy plug-and-play connections, and no complex setup or calibration needed. It works right out of the box!Programmable remote control. State-of-the-art lossless wireless technology delivers absolutely instantaneous subwoofer response.