Compact gooseneck mic reduces background noise for excellent voice fidelity.

from $113.00

Designed for indoor communication systems, including transportation, restaurant, and industrial applications. Suitable for environments with high levels of background noise.

Note: For proper operation, mouth-to-microphone distance should be 2 inches (5 cm) or less.


Paging/Two-way Radio/Intercom

Microphone Type


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

Polar Pattern


Picks up the most sound in front of the microphone and some from the sides. Less susceptible to feedback in high volume environments.

Frequency Response


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

Form Factor


Model Line


503BG User Guide (PDF)
Related Links
FAQ's for 503BG
  • Frequency response tailored for voice communications
  • Minimal pick-up of background noise due to close-talk design
  • Hum-bucking coil reduces induced noise from computer displays
  • Attaches to flexible gooseneck arm (not included)
  • Two conductor, shielded, bare-ended (no connector), straight cable
  • Does not require DC power for operation
Dynamic, unidirectional (cardioid), close-talking
Frequency Response
100 to 7,000 Hz
170 ohms
Output Level
-61.5 dBV/Pa (.84mV) : 1 Pa = 94 dBSPL; -41.5 dB (8.4 mV): 0 dB = 1V/100 microbar

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