Enjoy the same great sound as the SurroundBar 3000 IHT. Plus even more connectivity for today’s TVs and surround-encoded programming. The SurroundBar 4000 creates the exciting sound Polk Audio bars are known for: a rich, full enveloping sound with a wide stage. The SurroundBar 4000 IHT is the step up from our SurroundBar 3000 IHT because it comes with Dolby┬« Digital, so you have even more connectivity for today’s surround-encoded programming. Movies, gaming, satellite, cable and broadcast TV. They all sound bigger and more thrilling through the SurroundBar 4000 IHT. A sleek easy-to-use system that includes a wireless subwoofer, the SurroundBar 4000 IHT is the home theater solution without any of the traditional home theater hassles or clutter and all of the connectivity you wantOn-board Dolby Digital processing: connect directly to your TV, DVD or Blu-Ray player, or gaming console.