The Atlas Sound RCMR-15 weather resistant loudspeaker extends communication, intercom, radio telephone, alarm and signaling systems in vehicular and industrial applications. This product has a high efficiency compression driver which concentrates the reproduction of sound in the voice and signaling frequencies. When used in conjunction with radio communications equipment, the RCMR-15 optimize frequency response in the voice band for maximum clarity. Field replaceable, self aligning replacement diaphragms are available, contact Atlas Sound for details. Utilize the Atlas Sound RCMR-15 Loudspeaker wherever dependable service and excellent audio reproduction is required. The stationary base can be mounted on utility, municipal, maintenance/service, construction school and public transportation vehicles. The adjustable base is ideal for manufacturing, warehouse, drive-in and shipboard facilities.