MX690 on August 18, 2015 | Marketing Team Microflex Wireless Boundary Microphone Wireless, boundary microphone offers total freedom of placement with no holes to drill or cables to run. 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. Features 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