Consumer Alert - Most users do not need a license to operate this wireless
microphone system. Nevertheless, operating this microphone system without a license
is subject to certain restrictions: the system may not cause harmful interference;
it must operate at a low power level (not in excess of 50 milliwatts); and it has
no protection from interference received from any other device. Purchasers should
also be aware that the FCC is currently evaluating use of wireless microphone systems,
and these rules are subject to change. For more information, call the FCC at 1-888-CALL-FCC
(TTY: 1-888-TELL-FCC) or visit the FCC�s wireless microphone website at http://www.fcc.gov/cgb/wirelessmicrophones.
Interchangeable cartidges for optimized pickup pattern.
- Flat frequency response across the vocal range for uncolored sound
Interchangeable cardioid, supercardioid, and omnidirectional cartridges that provide optimal choice for each application
Sleek, low-profile design for unobtrusive appearance
Balanced, transformerless output for increased immunity to noise over long cable runs
Advanced RF filtering
Shure MX183 Microflex Lavalier Microphone
The Shure MX183 is a wired Lavalier electret condenser microphone designed for speech and vocal pickup, general purpose sound reinforcement, recording, and remote monitoring applications. It can be clipped to neckties, lapels, and other articles of clothing. The MX183 Lavalier microphone has a omnidirectional polar pattern and low handling noise. Includes belt-clip preamp, rotatable tie clip, dual tie clip, and snap-fit windscreen.
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- Type: Condenser (electret bias)
Frequency Response: 50 to 17,000 Hz
Polar Pattern: Omnidirectional
Output Impedance: EIA rated at 150 ohms (180 ohms actual)
Open Circuit Sensitivity (at 1 kHz, ref. 1V/Pascal*): -27.5 dB (42.2 mV); All settings -12 dB at 0 gain *1 Pascal = 94 dB SPL
Max SPL (1kHz at 1%THD, 1 k ohm load): 116.7 dB; All settings +6 dB at 0 gain
Equivalent Output Noise (A-weighted): 20.5 dB
Signal to Noise Ratio (referenced at 94 dB SPL):73.5 dB
Dynamic Range at 1 k ohm load: 96.2 dB; 100 dB at 0 gain
Power Requirements: 11 to 52 Vdc phantom, 2.0 mA
Common Mode Rejection: 45.0 dB minimum
Polarity: Positive sound pressure on diaphragm produces positive voltage on pin 2 relative to pin 3 of output XLR connector.
Environmental Conditions: Operating Temperature Range: -18 to 57 degrees C (0 to 135 degrees F); Storage Temperature Range: -29 to 74 degrees C (-20 to 165 degrees F)
Cable: Shielded 1.2 meter (4 ft.) cable terminated with a 4-Pin Female Mini Connector (TA4F)
Dimensions (length x diameter): 3.89 " x .79" (99 x 20 mm)