The Panasonic SCHT990 brings together powerful new technology to create the exciting, high quality surround sound that you experience in a movie theatre. The 360 sound in the SCHT990 enhances the level of sound reproduction and the sense of motion and space. You can hear sounds move vertically and horizontally across a wide acoustic field, to virtually pull you into the excitement and drama of each movie. Secondly, the surround enhancer delivers a smooth, omni directional surround sound and the H.Bass system achieves an ultra low-frequency bass sound that is even deeper than the speaker's reproduction limits, making movies and music come alive with incredible power and depth.