Sony HT-A9
Sony’s HT-A9 Wireless Home Theatre System encourages users to position its speakers arbitrarily, promising a uniform and immersive soundfield regardless of the symmetry of your set-up. How does it achieve this wizardry? The HT-A9 supports Sony’s 360 Spatial Sound Mapping, combining automated calibration via two built-in mics that measure the room’s height, speaker distance and location; and technology that synthesises a soundfield with both real and ‘phantom’ sources.
Each of the four speakers contains a 19mm front-facing tweeter and full range X-balanced driver, and
