OMNITRONIC MP-25 is a battery-powered megaphone with a rated output of 25 W RMS and an operating range of up to 800 m. It features a horn speaker, level control, switchable siren, pistol grip, shoulder strap, and an attachable hand-held microphone connected by a coiled cable. Power is supplied by eight Baby C batteries or 12 V DC. The housing is white and blue, with a 230 mm horn diameter and a weight of 1.30 kg.