An apparatus for improving an image in a car audio system, and a control method thereof are provided. The apparatus includes: a first speaker unit for outputting a high band sound from a sound reproduced in the car audio system; a second speaker unit for outputting a middle band sound and a low band...http://www.google.de/patents/US7787637?utm_source=gb-gplus-sharePatent US7787637 - Apparatus for improving image in car audio system, and control method thereof
