Multimedia classroom sound amplification equipment

The utility model discloses multimedia classroom sound amplification equipment which comprises a sound amplifier body, connecting rings are fixedly connected to two sides of the sound amplifier body, a flange seat is fixedly connected to the front surface of the sound amplifier body, an external thread groove is formed in the surface of the flange seat, a cavity is formed in the flange seat, and a filter screen is placed in an inner cavity of the cavity. A positioning ring is placed at the top end of the filter screen, a threaded sleeve is in threaded connection with the surface of an external threaded groove, a cooling fan, cooling fins, a semiconductor chilling plate and a heat conducting plate are sequentially connected to an inner cavity of the heat dissipation frame from top to bottom, a temperature control switch is fixedly installed on one side of the bottom of the heat conducting plate, and a protective screen is clamped to the top of the heat dissipation frame. According to the multimedia classroom s