- 7.1Ch Intelligent Surround Sound System - The Ultimea Poseidon D80 Boom, a high-end smart soundbar enhanced over the famous D80, now delivering 33% more bass than the Poseidon D80. With 8 high-performance speakers, including a powerful 6.5-inch wireless subwoofer, the Poseidon D80 Boom creates an immersive 3D surround experience. (Note - Poseidon D80 Boom does not support DTS decoding). - 7.1 Dolby Atmos Through SurroundX's advanced audio algorithms, the sound field is optimized based on the a