503BG “Close-Talk” Microphone

Compact gooseneck mic reduces background noise for excellent voice fidelity.

from $113.00
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Product Details

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.


  • 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
Microphone Type
Polar Pattern
Frequency Response
Form Factor
Model Line
Type Dynamic, unidirectional (cardioid), close-talking
Frequency Response 100 to 7,000 Hz
lmpedance 170 ohms
Output Level -61.5 dBV/Pa (.84mV) : 1 Pa = 94 dBSPL; -41.5 dB (8.4 mV): 0 dB = 1V/100 microbar

Additional specifications are available in the user guide.

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    Mounting Flange, Heavy Duty, Black.

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    12 inch (30.48 cm) chrome gooseneck.

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    Replacement cartridge for the Shure 503BG microphone

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Software & Downloads

User Guides

File Language Type File Size
503BG User Guide English PDF 202 kb

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