Product Highlights
Wireless, boundary microphone offers total freedom of placement with no holes to drill or cables to run. J3 (572.2 – 595.8 MHz)
Shure MX690-J3 Cardioid Condenser Low Profile Mic Boundary Shure MX690-J3 Cardioid Condenser Lo...
Web Availability: Special Order
This product will be Special Ordered just for you from the manufacturer. We do not stock this item due to its uniqueness or import schedule. Special Order items are Final Sale, see our Return Policy for details.
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The Microflex® Wireless Boundary Microphone offers total freedom of placement with no holes to drill or cables to run for installation.

The Wireless Boundary Microphone is the perfect solution for conference and meeting spaces where users demand flexibility and high performance. Compatible with Shure SLX® Wireless Systems.


  • Sleek, low profile design
  • Frequency agile, microprocessor controlled transmitter
  • Bi-color status indicator
  • IR link to SLX receiver for automatic frequency synchronization
  • Programmable mute function
  • Battery level indicator
  • Operates on two AA batteries
  • Logic output for remote LED and mute control
  • CommShield Technology for improved RF filtering
  • J3 (572.2 – 595.8 MHz)


Product Specifications

Transducer Condenser
Polar Pattern Cardioid
Frequency Response 50Hz to 17kHz
Dynamic Range (Typical) 96dB
Power Requirements 3V (2 AA alkaline or rechargeable batteries)
Output Connectors 3-pin XLR
Pad No
Low Frequency Roll-Off No
Dimensions (WxHxD) 3.43 x 1.69 x 5.82" (87 x 43 x 148mm)
Weight 318g (11.2 oz)


Questions & Answers

Shure MX690-J3 Cardioid Condenser Low Profile Mic Boundary

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