503BG - “Close-Talk” Microphone


“Close-Talk” Microphone

Close-talk microphone delivers excellent voice fidelity for fixed station applications with high background noise levels. Features include a hum-bucking coil to reduce induced noise and a frequency response tailored for voice communications.


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

Case Studies

LD Systems uses Axient Digital to assure interference-free wireless at Lollapalooza

For audio providers, Lollapalooza is an annual test of their ability to provide reliable wireless microphones across four days of nonstop performances on eight stages spread across Grant Park on Chicago’s lakefront.

Axient Digital frequency diversity delivers flawless referee audio for Notre Dame football

For audio engineer Paco Bayer, the 2016-17 Notre Dame football season was shaping up as a challenge due to ongoing construction to update Notre Dame Stadium.

Soundtronics Selects Shure Wireless for Mayweather-Pacquiao Prize Fight

The stakes were high for more than just the boxers during the May 2, 2015 fight between Floyd Mayweather, Jr. and Manny Pacquiao. Televised live, the pay-per-view event was a rare collaboration between Showtime and HBO, and both networks expected technical perfection. Handling the selection, deployment, and coordination of wireless microphones, IEMs, and intercoms for the event was the team from Soundtronics, led by Mark Barbuti.

Read More Case Studies




Small Mounting Flange


Mounting Flange


In-Line On/Off Switch


Customer Support
Service & Repair

Detailed policy information regarding customer service numbers, service modifications, and replacement parts.

Service & Repair
Contact Us

Submit a ticket directly to Shure Customer Service staff, or reach out via phone or email.

Contact Us
User Guide & Specs
Find An Answer
Windscreen for the 503BG microphone
August 31, 2017

There is no model specific to the 503BG.  However, the model A1WS should fit OK. ...

VR300 microphone
January 30, 2009

The VR300 is the same microphone as the 503BG. The VR300 was the OEM version. ...

Does VR300 equal the 503BG?
January 30, 2009

The VR300 has the same specifications as the 503BG.The VR300 and 503BG are designed to be used very close to the talker's mouth, within 5 cm.As an ...

Noise cancelling microphone
October 23, 2008

Consider the Shure SM10 headworn mic, the WH20XLR headworn mic, or the Shure 503BG gooseneck mic.Regarding connecting a professional microphone into a ...

Comparable Products