Shure 577B Handheld, Cardioid, Noise-Cancelling
Designed for communication systems - mobile and fixed station - including police, fire, utilities, transportation, commercial, and industrial applications. Suitable for environments with high levels of background noise.
Note: For proper operation, mouth-to-microphone distance should be 1 inch (2.5 cm) or less.
Frequency response designed for voice communications
Directional mic element
Minimal pick-up of background noise due to close-talk design
Rugged, high impact ARMO-DUR® case
Double-pole, single-throw PTT switch designed for constant usage
Four conductor, shielded, bare-ended (no connector) coil cord
Does not require DC power for operation
Mounting bracket included
Type Dynamic, noise-canceling
Frequency Response 100 to 5,000 Hz
lmpedance Rated at 150 ohms (175 ohms actual) for connection to microphone inputs rated at 19 to 300 ohms.
Output Level Open Circuit Voltage: -66.0 dBV/Pa* (0.5 mV) *0 dB = 1 volt per 1 Pascal/94 dB SPL
Equipment available to buy from this site is for professional use only. Please note in certain countries some products listed may not be available from A.C. Entertainment Technologies Ltd.
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