Electronic megaphones from Federal Signal let you take control of hectic situations.
The model A12SA is the most powerful, lightweight (less than four pounds each) electronic unit available. The special noise-canceling microphone improves voice reproduction even at long distances. Rugged, high-impact parts are virtually indestructible, providing long service life. Federal Signal loudspeakers are ideal for law enforcement, fire, marine, athletics, industry, and a variety of other markets.

Model A12SA
Voice Gun model A12SA electronic megaphone is suitable for use at any emergency scene. It is made of high-impact, flame-retardant plastic and operates on (8) “AA” size batteries. This added benefit makes it useful for hazardous applications where a fire is a threat.