 Dynamic, Normally open, Low Z, Handheld paging mic A dynamic paging hand microphone. NC450D’s noise-canceling design makes it particularly effective for use in noisy locations and excellent voice response characteristics make it a good choice. Features Designed for voice-paging applications requiring a rugged hand-held microphone. Omnidirectional Polar Pattern. Low-impedance. Push-to-talk switch. Molded Cycolac housing. Pebble-grain black finish and unterminated black neoprene coil cord. Specifications Type Dynamic Polar Pattern Omnidirectional Frequency Response 100 Hz to 8 kHz Output Level at 1 kHz Open Circuit: -79 dB (ref: 0 dB =lVIpbar) Power Level: -58 dB (ref: 0 dB = 1 mWl10 pbar) EIA Sensitivity -151 dB Impedance 200 ohms Switch Push-to-talk Housing Molded Cycolac Finish Pebble-grain black Coil cord Unterminated black neoprene coil cord Hanger Bracket Nickel-plated spring steel |