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MX690 Microflex
Microphone
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Product Code: MX690
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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.
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| 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
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| Specifications |
- Transmitter
Specs
- Operating
Range
30 m (100 ft.)
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 °C (0–135 °F)
Note: Battery may limit this range
- Dimensions
43 mmH x 87 mmW x 148 mmD (1 11/16 x 3 3/8 x 5 13/16
in.)
- Weight
Net: 318 g (11.2 oz)
- Packaged: 516 g
(18.2 oz)
- Microphone
Specs
- 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
kΩ 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.
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