The Bose Lifestyle Ultra is a sound bar with Dolby Atmos decoding and proprietary PhaseGuide drivers, projecting immersive, three-dimensional sound from all directions without additional speakers. CleanBass Port technology adds deep bass with clarity at any volume. PhaseGuide drivers project immersive sound from all directions without extra speakers Dolby Atmos decoding and CleanBass Port add three-dimensional sound and deep bass This description was generated by AI and reviewed for accuracy.