Patent ID: 7787637

Claim:
An apparatus for improving an image in a car audio system, the apparatus comprising: 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 sound from the sound reproduced in the car audio system, wherein the second speaker unit is installed to face upward fixedly on a horizontal plane; a first structure for providing a directionality for the low band sound, wherein the first structure has a shape of a half-cut of hemisphere completely covering the second speaker so as to reflect the sound from the second speaker and change the direction of sound by 90 degrees, and wherein the directionality is given by the direction of the reflected sound; and a second structure for rotating the first structure on the horizontal plane correspondingly to a position of a user of the car audio system, such that the first structure rotates with the second speaker as a center of rotation, wherein the first speaker is disposed at a top portion of the first structure so as to point in a direction of the directionality for the low band sound.