LT-PMS-2 is used for long range, powerful broadcasting of commands or messages up to a distance of 1,650 feet (80dB @ 3KHz, subject to environment and atmospheric conditions). It can be used to get attention with amazing clarity, followed up with totally intelligble verbal communication to determine intent as well as for hailing and warning. Portable, Battery-powered, small Surface Array with two Planar Magnetic Transducers loaded with 500 Hz waveguide for increased output and control of the midrange. This system is plug and play ready, requires no major assembly or integration prior to evaluation, and is currently commercially available.