Specifications
Specification Sheet (MX690, MX890, English)
Transmitter Specifications
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 Specifications
Type
Condenser (electret bias)
Frequency Response
50–17000 Hz
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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.