new box high quality --57a handheld wired microphones free shipping,

new box high quality --57a handheld wired microphones free shipping,
Price: US $326.00/ lot, 20 pieces / lot,$16.30/ piece|Processing Time: Ships out within 3 days
Unit Type: lot (20 pieces/lot)|Package Weight: 10.8kg|Package Size: 20cm x 25cm x 20cm

Detailed Information:


More pictures please contact us, we have details pictures and packing pictures.

Performance characteristics:
Frequency response based on speech feature specially designed, if District bright sound quality and with bass frequency attenuation, can make full use of nearest neighbor effect
Uniform cardioid directivity can effectively enhance the main sound source, and minimizes background noise
With the microphone with resistance to rupture to rotate 180 degrees vertical microphone adapter.
Pneumatic shock absorber microphone support can reduce the noise generated by holding the microphone
Built-in circular wind noise and noise high efficiency filter mesh
The structure of a solid and reliable, durable
Technical index:
* microphone types: dynamic microphone
*: full directivity directivity
Frequency response: 50Hz--16KHz *
* output level (1000 Hz condition)
* open level: - 51.5dBV / PA (2.6mV)
* output impedance: of the microphone and a low impedance input connection, nominal impedance is 150 ohm (the actual 290 ohms)
* phase: on the vibration film positive pressure, 2 pin relative to the 3 plug is a positive voltage
* the microphone connection: tripod dedicated audio plugs (XLR positive plug to give maximum conductivity)
* weight: 278 gram

If you have any question, welcome to contact us. We are committed to your 100% customer satisfaction.
Please give us the opportunity to solve any problem.We understand the concerns and frustrations you might have and will try our best to solve the issues.

Shipping Terms:
Shipping Time: All items will be shipped out within 3 business days upon receipt of payment.You will be notified by email with the tracking number after your package has been shipped out.
Package: All items are professionally packed with great care to ensure safe delivery

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Detailed Specifications:

Place of Origin: Guangdong China (Mainland)|Style: Headset Microphone|Brand Name: 57A|Use: Karaoke Microphone|Communication: Wired|Model Number: 57A|color: picture|sound: A|quality: high