A line array speaker comprising: a plurality of speaker modules, wherein each of the speaker modules comprises a diaphragm that vibrates in a second direction perpendicular to a first direction and extends in the first direction; a housing extending in the first direction while including the plurality of speaker modules; a conductive unit configured to supply electricity having a substantially identical phase to the plurality of speaker modules, wherein the plurality of speaker modules is arranged in the housing in the first direction; wherein each of the speaker modules further comprises the following components: - a first magnetic body configured to extend in the first direction, and be polarized in a direction perpendicular to the first direction; - a second magnetic body configured to extend in the first direction, be polarized in a direction perpendicular to the first direction, and be spaced apart from the first magnetic body by a predetermined distance in a manner that different poles are arranged to face each other in association with the first magnetic body; - a coil plate located between the first magnetic body and the second magnetic body, and configured to have a coil pattern formed in a spiral track shape; wherein each diaphragm is configured to vibrate by connecting to the coil plate; the conductive unit includes a first conductive cable and a second conductive cable; and each of the speaker modules includes a first terminal and a second terminal electrically connected to the coil patterns, wherein each first terminal is electrically connected to the first conductive cable, and is formed at one position that is spaced apart in one direction from a center of a width of the speaker module; wherein each second terminal is electrically connected to the second conductive cable, and is formed at the other position that is spaced apart in the other direction from the center of the width of the speaker module; wherein the first conductive cable is located at one side of the plurality of speaker modules within the housing; and wherein the second conductive cable is located at the other side of the plurality of speaker modules within the housing. a plurality of speaker modules, wherein each of the speaker modules comprises a diaphragm that vibrates in a second direction perpendicular to a first direction and extends in the first direction; a housing extending in the first direction while including the plurality of speaker modules; a conductive unit configured to supply electricity having a substantially identical phase to the plurality of speaker modules, wherein the plurality of speaker modules is arranged in the housing in the first direction; wherein each of the speaker modules further comprises the following components: - a first magnetic body configured to extend in the first direction, and be polarized in a direction perpendicular to the first direction; - a second magnetic body configured to extend in the first direction, be polarized in a direction perpendicular to the first direction, and be spaced apart from the first magnetic body by a predetermined distance in a manner that different poles are arranged to face each other in association with the first magnetic body; - a coil plate located between the first magnetic body and the second magnetic body, and configured to have a coil pattern formed in a spiral track shape; - a first magnetic body configured to extend in the first direction, and be polarized in a direction perpendicular to the first direction; - a second magnetic body configured to extend in the first direction, be polarized in a direction perpendicular to the first direction, and be spaced apart from the first magnetic body by a predetermined distance in a manner that different poles are arranged to face each other in association with the first magnetic body; - a coil plate located between the first magnetic body and the second magnetic body, and configured to have a coil pattern formed in a spiral track shape; wherein each diaphragm is configured to vibrate by connecting to the coil plate; the conductive unit includes a first conductive cable and a second conductive cable; and each of the speaker modules includes a first terminal and a second terminal electrically connected to the coil patterns, wherein each first terminal is electrically connected to the first conductive cable, and is formed at one position that is spaced apart in one direction from a center of a width of the speaker module; wherein each second terminal is electrically connected to the second conductive cable, and is formed at the other position that is spaced apart in the other direction from the center of the width of the speaker module; wherein the first conductive cable is located at one side of the plurality of speaker modules within the housing; and wherein the second conductive cable is located at the other side of the plurality of speaker modules within the housing.