Item # 270921 | Customer Ratings: ( 5 Based on 1 reviews)

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Shure MX183 Microflex Lavalier Microphone
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Interchangeable cartidges for optimized pickup pattern.

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.

Shure MX183 Microflex Lavalier Microphone Features:

  • 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 Specifications:

  • 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)

Shure MX183 Microflex Lavalier Microphone

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.

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Product Reviews
(Based on 1 reviews)
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  • GSM Resistant, No Cell Phone interferance--well none to worry about

    As reviewed by Brad on 8/23/2010

    I video tape Depositions, these mics are perfect. GSM cell phones, (all carriers except Sprint and Verizon) have always been a problem with creating interference on my old lavaliers. I did a little research and found that Shure has a line of mics that are GSM Resistant. They are RIGHT! Since I started using these mics (6 times at this time) I have had only one instance where I knew a cell phone was receiving, and it was barely audible, no body will ever complain. In this instance an IPhone was sitting a couple inches away from the cable for the MX183. To get noticeable interference the mic and the GSM cell phone have to be touching. This is almost heaven, and very workable. These mics sound great for Voice, eq response is great with High Pass filter on the field mixer. Output on these mics with the belt preamp is hot, if using a field mixer, input gain control is important to deal with loud voices. Size of these mics is lot bigger than a match head, so these are not the best for hiding in talents clothing. On the mic body the cable exits out the side on the bottom, so you have to deal with this, but the bottom screws off so fixing the cable should be easy when it shorts out from wear. And one more detail, the Shure's Lav mic clips are the best, the clips are designed to rotate around the wire that holds the mic, allows for easy rotation to clip to a man's shirt or woman's shirt, or any other angle. Also the clips have no sharp edges/spikes that would tear a tie, it will slide off when the wearer stands up, very very practical. If I would have had these mics 5 years ago I would have had fewer Lawyers mad at me because I had to make them POWER DOWN their cell phones, and would have made more money because I would have not lost clients. Not knowing about these mics was penny wise and pound foolish.

    2 of 2 people found this review helpful.
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PO Box 4769
Westlake Village, CA 91359
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