The Shure MX690 Microflex Wireless Boundary Microphone offers total freedom of placement with no holes to drill or cables to run for installation. The MX690 plate mic is a both a microphone and a wire... Read More
The Shure MX690 Microflex Wireless Boundary Microphone offers total freedom of placement with no holes to drill or cables to run for installation. The MX690 plate mic is a both a microphone and a wireless transmitter and is the perfect solution for conference and meeting spaces where users demand flexibility and high performance. Compatible with Shure SLX wireless systems, including the SLX4L receiver with logic output for applications requiring logic functionality.
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
Transmitter Specifications Operating Range: 100 ft (30 m) (Note: Actual range depends on RF signal absorption, reflection, and interference) Frequency Stability: ±10 ppm Maximum Frequency Deviation: 45 kHz Oscillator Type: Phase-locked loop (PLL) controlled synthesizer Power Requirements: 3V (2 AA alkaline or rechargeable batteries) Battery Life: ‰8 hours (alkaline) Power Consumption: 130 mA, ±15 mA Operating Temperature Range: -18”57 degrees C (0”135 degrees F) (Note: Battery may limit this range) Dimensions (H x W x D): 1-11/16" x 3-3/8" x 5-13/16" (43 x 87 x 148 mm) Weight: 11.2 oz (318 g)
Microphone Type: Condenser (electret bias) Frequency Response: 50”17000 Hz Polar Pattern (at 1 kHz): Cardioid Sensitivity (at 1 kHz , open circuit voltage): ”33 dBV/Pa (22 mV) 1 Pascal=94 dB SPL Dynamic Range (1 kohm load at 1 kHz): 96 dB Common Mode Rejection (10 Hz to 100 kHz): 45 dB minimum Preamplifier Output Clipping Level (1% THD): ”6 dBV (0.5 V) Polarity: Positive sound pressure on diaphragm produces positive voltage on pin 2 relative to pin 3 of output XLR connector or tip of 1/4" phone plug.
One year warranty on wireless mics, mixers, and circuitry products. 2 year warranty on wired mics. Warranty terms vary. Check with manufacturer for specific product warranty.
GUITAR CENTER'S PRO COVERAGE Pro Coverage gives you added warranty protection for your new gear. Stepping in where the manufacturer's "normal wear and tear" coverage ends, our Pro Coverage program offers you upgraded coverage if your product ever fails Read More.
Pro Coverage includes
Accidental damage protection (new gear only)
Free shipping (for returns or repairs)
100% coverage for commercial use
Extended return period
Extended price protection
No lemon guarantee
Free transfer of coverage to a new owner
Repair costs covered for up to three years from date of purchase
Repair authorization-toll-free by phone or via the web
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