Square loudspeaker with double magnetic circuit systems

The utility model relates to the technical field of loudspeakers, in particular to a square loudspeaker with a double-magnetic-circuit system, which comprises a square support, a square diaphragm and a square voice coil. A square magnet is arranged in the middle of the square bracket; a square washer is arranged at the top of the square magnet; short magnets are arranged on two opposite sides of the square bracket, and long magnets are arranged on the other two opposite sides of the square bracket; the square loudspeaker with the double magnetic circuit systems further comprises an outer washer. The outer washer is arranged at the top of the long magnet and the top of the end magnet; the square diaphragm is arranged at the top of the square bracket; and the square voice coil is arranged at the bottom of the square diaphragm. According to the utility model, the square magnet and the square washer form a magnetic circuit system, and the two short magnets, the two long magnets and the outer washer form a second