About this item Stunning 7.1.2 channel Dolby Atmos soundbar, with Vertical Surround Engine technology, built-in up-firing speakers, plus X-Balanced speakers for an incredible sound stage. Sound Field Optimisation technology intelligently measures the layout of your room using built-in microphones, to tune the sound accordingly and give you the best sound experience possible. Upgrade with one of two powerful subwoofers to bring you rich bass, clear fidelity and minimal distortion. Further enhance your experience with our rear wireless speaker set. Experience the brilliance of 360 Spatial Sound Mapping with SA-RS5 speakers attached to your compatible soundbar giving you the ultimate immersive experience. SA-RS5 wireless rear speakers are battery powered and wire free, giving you the ultimate ease of use with them. With 10 hours of battery life fully charged they also have a quick charge function where 10mins of charge gives 90mins of use. SA-RS5 bring 180w of power to your compatible sound system giving you an great immersive audio experience wherever you sit in the room. 300W of rich, deep bass sound let the HT-A9 or HT-A7000 deliver a further upgraded entertainment experience. Cutting-edge audio technologies, including a Σ shaped magnetic circuit and separated notch edge, fill your entertainment with deep, rich bass and clear low frequencies. Set up in seconds. Power up the SA-SW5, and it automatically connects with your HT-A9 Home Theatre System or HT-A7000 soundbar. Show More