Valcom is the worlds leading manufacturer of integrated paging systems! High-quality USA made paging solution suitable for indoor/outdoor use and rugged environments. Provides wide area coverage. Weather resistant. The desk microphone suitable for all industrial/commercial public address and paging applications. Featuring modern styling and rugged construction the microphone provides a push to talk bar with a sliding lock allowing it to be locked in the “ON” position. A long life switch gives years of trouble free operation and provides a contact closure for music muting when the talk bar is pressed. Easily adjustable control for achieving appropriate volume. The system is expandable up to 150 speakers! System includes V-1030C 5 Watt Speaker microphone page port preamp/expander mic adapter and filtered power supply for optimal sound quality. Easy Installation Installation requires Two-pair Cat3/cat5. Instructions included. Horn Spacing (Coverage) For quiet location (up to 12 000 sq. ft.) Moderate location (6 400 sq. ft) Noisy location (2 500 sq. ft.) Very noisy location (900 sq. ft.) Specifications Indoor/outdoor use Built-in 5 watt amplifier module High impact ABS housing Built-in volume control Omni-directional mounting base Wall or electrical box mount Operates on -24 VDC power supply I-beam clamp included Rated Output: 5 Watts RMS Output Load: 8 Ohms Input Impedance: 600 Ohms (1 kHz at rated output) Power Supply: -24 Vdc nominal positive ground Operating Current: 300 mA at -24 Vdc Omni-Directional mounting fully adjustable 360 horizontal and 160 vertical. Detachable base for wall or electrical box mounting. Ibeam clamp included. Base is constructed of ultra high impact LEXAN plastic.