Available Options

527B Voice Communication Microphone
527C Voice Communication Microphone with Internal Preamp

Designed for communication systems — mobile and fixed station — including police, fire, utilities, transportation, commercial, and industrial applications.

Note: The 527B does not require DC power for operation; however, the 527C requires DC power (4 to 35 Vdc @ 16mA).

 

Applications

Paging

Intercom

Two-Way Radio

Microphone Types

Dynamic:

Simple, rugged diaphragm/coil. handles extreme volume levels without distortion.

Polar Patterns

OmniDirectional:

Equally sensitive to sound from all directions, but cannot be "aimed" to isolate one area.

Frequency Responses

Tailored:

Smooth, extended response. Tuned to accentuate specific types of instruments or voices.

Form Factors

Handheld

Model Lines

Other

Features
  • Frequency response designed for voice communications
  • Omnidirectional mic element
  • 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
  • 527B does not require DC power for operation; 527C requires DC power for operation (4 to 35 Vdc @ 16mA)
  • Mounting bracket included
Specifications
Type
Dynamic
Frequency Response
60 to 11,000 Hz
Polar Pattern
Cardioid (unidirectional) - uniform with frequency, symmetrical about axis
lmpedance
Dual. Microphone rating impedance is 150 ohms (260 ohms actual) for connection to microphone inputs rated at 19 to 300 ohms and "High" for connection to high-impedance microphone inputs. Switch is in high-impedance position as supplied. To change impedanc
User Guides
File Language Type File Size
527B User Guide English PDF 515 kb
527C User Guide English PDF 902 kb