Open Box (Blemished) Crown CM311 Headworn Condenser Mic
Wireless System Components
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Lightweight, comfortable, and noise-cancelling.
The CM-311A is the latest version of the Crowns proprietary Differoid technology. Differoid stands for differential cardioid. Its cardioid pickup pattern rejects sounds from the rear, such as floor monitors. Its noise-canceling ability also rejects sounds at a distance, such as instruments on stage and crowd noise. This results in the CROWN CM-311 having outstanding gain-before-feedback and isolation. Controlled field tests showed that the Differoid provides up to 12 dB more gain before feedback than conventional cardioid microphones. Many users of the Differoid say that their house mix is better because the mic's isolation is nearly complete.
Designed for touring and live-sound applications, the Crown CM-311A is a rugged head-worn microphone with unequalled performance. It sounds like the best handheld microphones full, clear, and distortion-free, even with the loudest singers. Lightweight and comfortable, the mics headband and boom adjust to fit any singer. An included pop filter greatly reduces breath noise and pops. Because of the booms unique behind-the-ear design, it does not cover up the singers face.
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 FCCs wireless microphone website at: www.fcc.gov/cgb/wirelessmicrophones.
- Cardioid polar pattern
- Defferoid noise cancelling technologie
- Outstanding gain-before-feedback and isolation
- Premium head-worn microphone
- Handsfree use
- Available with XLR, mini XLR, and TA4F connectors
- Lead vocals
- Backing vocals
- Intercom systems
Order a headworn mic that sounds like the best handheld microphones.
CM311 Headworn Condenser Mic Specifications:
- Polar pattern: Cardioid
Frequency response: 50 to 17,000 Hz
Sensitivity: CM-311A: 4 mV/Pa (-48 dBV); CM-311L: 1.25 mV/Pa (-58 dBV)
Maximum SPL: 148 dB
Equivalent noise level: 26 dB-A
Signal/noise ratio: 68 dB (A-weighted)
Impedance: 75 ohms balanced
Powering: 18 to 48 V phantom power to DIN/IEC
Finish: Satin black
Dimensions: ear to ear 5.5" (13.97 cm); boom 7" (17.78 cm), boom to mouth 3" (7.62)
Net weight: 61g (2.1 oz.)
Cable: 106 cm (42 in.)
Connector: CM-311A: 3-pin XLR; CM-311L: 3-pin Mini XLR
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Comments about Crown CM311 Headworn Condenser Mic:
This is an absolutely great headset mics for stage performance. Amazing feedback rejection I have not seen from other headsets that I have tried before. My only complain is that it is very hard to fit to different heads