Small-sized convenient-to-install megaphone

The utility model relates to the technical field of megaphones, and discloses a small-sized convenient-to-install megaphone, which comprises a shell, a mounting plate is arranged on the rear side of the shell, telescopic cylinders are arranged between the shell and the mounting plate, a connecting plate is arranged above the mounting plate, a sound box is arranged on the front side of the shell, and the sound box is arranged on the rear side of the shell. Electric push rods are arranged at the four corners of the lower portion of the shell, a base is arranged below the electric push rods, non-slip mats are arranged at the bottoms of the base, and a mounting box is arranged at the position, close to the middle of the electric push rods, of the lower portion of the shell. The mounting plate is arranged on the rear side of the shell, the extension rods are arranged on the upper portion and the lower portion in the mounting plate, the sliding blocks and the sliding grooves are formed in one sides of the extension