Light-weight and unobtrusive with full, clear sound.

Designed for touring and live-sound applications, the Crown CM-311AESH is a rugged head-worn microphone with unequaled performance. It sounds like the best handheld microphones — full, clear, and distortion-free, even with the loudest singers.

The CM-311AESH is the latest version of 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-311AESH having outstanding gain-before-feedback and isolation.

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.

NOTE: Putting an XLR connector on the CM-311AESH and connecting to a mic input with phantom power WILL damage the mic element.

Crown CM-311AESH Headset Wired for Shure Features:

• Full, clear, distortion-free sound
• Outstanding gain-before-feedback and isolation
• Connects to most wireless transmitters

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Crown CM-311AESH Headset Wired for Shure Specifications:

• Transducer type: Electret condenser.
• Frequency response (typical): 50 Hz to 17,000 Hz
• Polar pattern: Cardioid
• Impedance: 6 kilohms unbalanced.
• Recommended load impedance: 10 kilohms
• Open-circuit sensitivity, typical, close-talking: CM-311AE, 1.25 mV/Pa ( 58 dB re 1V/Pa).
• Power sensitivity, typical, close-talking: 71.5 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: 140 dB SPL with 3V DC, 148 dB
• SPL with 9V DC.
• Operating voltage: 3 9V DC from the transmitter's battery.
• Polarity: Positive pressure on diaphragm produces positive voltage on shield with respect to white lead.
• Current drain: 0.27 mA nominal.
• Off-attenuation: 70 dB.
• Output connectors: supply your own to match your transmitter.
• Cable: In-line with this cable is a small circuit module that equalizes the microphone signal. Cable is 42-inches (106.68 cm) long from headband to module, 12-inches (30.48 cm) from module to cable end. 2-conductor shielded unbalanced cable, un-terminated.
• Materials: High-impact plastic mic housing, brass boom, steel wire headband
• Net weight: Head-worn mic, 2.1 oz (61 g)
• 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.
  
  

Crown CM-311AESH Headset Wired for Shure

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Crown Cannot Be Beat..

Posted by Sndmn6 from Chicago on Jan 23, 2008

Experience w/product: I own it

Reviewer's Background: Weekend Solo Artist

Reviewer's Play Style: Rock n' Roll

This thing blows me away! The fit, once it was customized to my head, is completely comfortable...you soon forget you're wearing the thing. The weight of it helps in this respect also. Its sound can easily be compared to your better wireless handheld mics. It's a full, rich and clear sound and the way the mic is positioned, you have to really crank out the volume at ridiculous levels and stand close to a monitor or main to get any shred of feedback. In short, you have to work at finding a feedback spot with this beaut.

The Countryman models pale in comparison to this. Their sound is thin and weak and moreover, it's a feedback magnet. I wouldn't recommend that unit to any musician (I think it's best suited for broadcasters, theatre and lecture folks).

The Shure WH-30 is also an inferior product to the Crown unit. The WH30 doesn't stay in place and if you wear it for more than 20-minutes, you're likely to bleed from your temples. Right. It's that uncomfortable. Moreover, the Shure's sound just can't compare.

Personally, I'm surprised that it's as cheap as it is. With that said, I guess what you're paying for with the Countryman mic is the size and style of it. You're really not paying for sound quality.

Keep it mind, Garth Brooks, Madonna and others use this EXACT same model.

In closing, if you're going with a headset mic, this is one of the best, if not the best, available.

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drummer/singer

Posted by kleytanic from Newark, Delaware on Oct 24, 2007

Experience w/product: I own it

Reviewer's Background: active musician

Reviewer's Play Style: rock

I've had this headset for about 8 months and it hasn't let me down. The sound is great and it holds position even when I'm really jamming hard.

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Crown CM-311AESH Headset Wired for Shure

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