An intelligent police van loudspeaker comprises a loudspeaker mechanism consisting of a dust cap, a paper cone, a yoke ring, a damper, a magnet, a voice coil, and a cylindrical soft iron core. The voice coil is provided around the cylindrical soft iron core. The magnet is provided around the voice coil. The paper cone is provided above the magnet. The damper is provided above the magnet and positioned inside the paper cone. The yoke ring is provided above the damper and positioned inside the paper cone. The dust cap is used to cover an opening of the paper cone.
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