The LT-PMS-24 is a very powerful acoustic device used for verbal communication to determine intent at very long distances with perfect intelligbility. This product can be used at checkpoints, entrance gates, hail/warn situations, and natural disasters. The effective distance of this device is up to 10,000 ft. (80dB @ 3KHz - subject to environment and atmospheric conditions). The LT-PMS-24 is a Planar Magnetic Surface Array that has 24 MAD1 Planar Magnetic Transducers. Versions with Dipole or Cardioid dispersion patterns available. LT-PMS-24 can be loaded with WG500 Waveguides 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.