Crown CM-311A Headset Mic With Beltpack  

Item #: 
127474165293916660
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If you want to maintain eye contact and really play while you sing, the Crown CM-311A Headset Microphone is for you. Electret condenser capsule provides full, clear, distortion-free sound. Gain-before... Click To Read More About This Product

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Overview

If you want to maintain eye contact and really play while you sing, the Crown CM-311A Headset Microphone is for you. Electret condenser capsule provides full, clear, distortion-free sound. Gain-before-feedback and isolation are exceptional. Lightweight, rugged, and comfortable, the headband and mic boom are adjustable for any vocalist. Includes a battery/phantom power beltpack.

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.

The CM-311A is the latest version of the Crown's proprietary Differoid technology. Its cardioid pickup pattern rejects sounds from the rear, such as floor monitors. Its noise-canceling ability rejects sounds at a distance, such as instruments on stage and crowd noise. This results in the CM-311A having outstanding gain-before-feedback and isolation.

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 mic's headband and boom adjust to fit any singer. An included pop filter greatly reduces breath noise and pops. Because of the boom's unique behind-the-ear design, it does not cover up the singer's face.

The CM-311A is powered by a 9V battery or phantom power. It has a battery belt pack with an on/off switch, a programmable mic on/off switch, and a "Mic On" LED.

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.

Features
  • Full, clear, distortion-free sound
  • Outstanding gain-before-feedback and isolation
  • Battery/phantom belt pack
Specifications
  • Transducer type: Electret condenser.
    Frequency response (typical): 50 Hz to 17,000 Hz
    Polar pattern: Cardioid
    Impedance: 75 ohms balanced.
    Recommended load impedance:, 1000 ohms or greater.
    Open-circuit sensitivity, typical, close-talking: 4 mV/Pa (”48 dB re 1V/Pa.
    Power sensitivity, typical, close-talking: 42.5 dB re 1 mW/Pa,
    Equivalent noise level (self noise): 26 dB SPL typical (0 dB = 0.0002 dyne/cm2), A-weighted. S/N ratio: 68 dB at 94 dB SPL.
    Maximum SPL: 148 dB SPL produces 3% THD.
    Operating voltage: 9V DC internal alkaline battery or 18-48V phantom power.
    Polarity: Positive pressure on diaphragm produces positive voltage on CM-311A XLR pin 2 with respect to pin 3.
    Current drain: 6.5 mA nominal.
    Battery life: 85 hours
    Off-attenuation: 70 dB.
    Output connectors: CM-311A, 3-pin pro audio (XLR type).
    Cables): 2-conductor shielded, unbalanced cable, 42-inches (106.68 cm) from headband to battery pack. Use 2-conductor shielded mic cable (not included) between XLR connector and mixer mic input.
    Materials: High-impact plastic mic housing, brass boom, steel wire headband, high-impact plastic and steel battery pack.
    Finish: Satin black.
    Net weight: Head-worn mic, 2.1 oz (61 g). Belt pack and battery, 6.1 oz (173g).
    Dimensions: Headband 5.5-in. (13.97 cm) diameter, adjustable. Boom approximately 7 in. (17.78 cm) x 3 in. (7.62 cm). See Figs. 3 and 4.
    Included accessories: Microphone carrying case, WS-6 foam pop filter, clothing clip.
    Optional accessories: PH-1A phantom power supply (1 channel, AC-adapter powered). WS-14 accessory windscreen.
Warranty
MANUFACTURER'S WARRANTY
3 year, no-fault parts and labor warranty on amps.
3 year warranty for most mics.
1 year warranty for Soundgrabber mic.
Crown Extended Warranty available as an option.


  • Customer Reviews
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Review Snapshot

by PowerReviews
CrownCM-311A Headset Mic With Beltpack
 
4.3

(based on 3 reviews)

Ratings Distribution

  • 5 Stars

     

    (1)

  • 4 Stars

     

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Reviewed by 3 customers

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(10 of 16 customers found this review helpful)

 
4.0

Jury still out

By StrictlyRythm

from Paramus, NJ

Comments about Crown CM-311A Headset Mic With Beltpack:

Got the Crown CM-311A about 4 months ago. Big improvement over prior starter mic, esp volume. 1st problem was have to take apart unit with screwdriver to change on/off settings, and doesn't go back together easily/battery compartment easily blocked. Once fixed, sound quality was good, excellent volume/output, no bleed from amps thanks to noise-cancel. But a bit muzzy sounding. I figured it was poor positioning, but sound kept getting fuzzier, volume dropped. Sent back to Guitar Center, told the turnaround is 2 - 4 weeks, so I'll update when I get it back.

(9 of 10 customers found this review helpful)

 
5.0

Drummer seeking new microphone

By Mark

from S.E. Michigan

Comments about Crown CM-311A Headset Mic With Beltpack:

When it came time to upgrade my mic, the only requirement that I had from the our sound guys is that it needed to be as good or better than the standard, Shure SM-58. As a drummer I really wanted the freedom from the boom stand. I got found it all in the Crown CM-311A. After bending and fitting to my head, for the initial set up, it stays in place. It also stays out of the way for my in-ear-monitors. I was lucky enough to be able to test drive the few head sets in the store. Some were too chunky, some, were obviously made for speaking events. The CM-311A seemed to fit the bill. I ordered the Crown sight-unseen, and am very happy with performance of this product.

(3 of 3 customers found this review helpful)

 
4.0

Near miss for a great product

By Joel Martin

from Buffalo,New York area

Comments about Crown CM-311A Headset Mic With Beltpack:

When I got my 311A I was thrilled with the sound, and the performance of the product. I am a drummer who also does vocals,and front man duties and I found it to be a great improvement over a cumbersome mike stand/boom setup in front of me. My only dislike is the plastic construction of the mic portion of the headset. I am very careful with my equipment and even so, the ring around the windscreen broke within a few months of weekend use! Thus this impeded the performance of the mic greatly. Now I must purchase a new headset, and the only reason I will purchase another one( at almost $300.00 ) is for the performance level of the mic. You have got to improve on the durability of this mic, and you could have a real winner here.

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