A new frontier of surround sound Immerse yourself in a multi-dimensional audio experience with the HT-A9 Home Theater System. Unique 360 Spatial Sound Mapping technology calibrates sound to your room for an environment that seems to expand beyond the walls. 360 Spatial Sound experience like you're in the scene Surrounded on all sides by multiple phantom speakers within an optimized sound field you ll hear every flap of wing and gust of wind with incredible intensity. It s like you and your living room are inside the movie. Flexible layout for any situation Reduce clutter and enjoy a simple setup without a need for extra cables. HT-A9 s speakers wirelessly connect to the control box allowing you to place them anywhere in the room Sony HT-A9 High Performance Home Theater System