Wireless Collar Microphone Digital Audio Processor Karaoke Speaker Systems Dual Channel

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Wireless Collar Microphone Digital Audio Processor Karaoke Speaker Systems Dual Channel




Model K-822
Receiver specifications
Receiver type Dual Channel Diversity Receiver
IF frenquency 110MHz,10.7MHz
Antenna Input BNC/50Ω
Sensitivity 12dBuV(80dB S/N)
Sensitivity adjustment range 12-32dBuV
Spur suppression ≥75dB
Maximum output level +10dBV
Technical parameters
Operating Frequency range 697-740,740-800,800-850MHz
Modulation type Broad band FM
Channel number 200
Channel spacing 250KHz
Frequency stability ±0.005
Dynamic range 100dB
Maximum offset ±45KHz
Frequency response 80Hz-18KHz(±3dB)
Overall noise ratio 105dB
Overall distortion ≤0.5
Effective range 100m(under optimal conditions)100m
Operating temperature range -10-+50
Transmitter specifications
Antenna Handheld microphone with built-in rotational antenna,Transmitter with 1/4 wavelength Whip antenna Power
Output high power 30mW, low power 3mW
Spur suppression -60dB
Battery two double A,1.5V Alkaline batteries
Battery life around 10 hours under common power transmission and 15 hours under low power transmission



 Guangzhou CVR Pro Audio Co., Ltd is specialized in researching, developing and manufacturing high quality pro audio equipment.Boasting talented professional employees and leading technology, we manufacture and supply a compreh ensive range of professional equipment including line array system, proloudspeaker, subwoofer, minitor speaker and power amplifier. CVR pro audio products have been far sales to over 100 countries abroad,enjoying high reputations and popularitys.Our own modern industrial factory occupies over 5000 square meters, equiped with advanced processing lines and sound online testing systems. R&D department, production, QA, engineering, overseas sales department, domestic sales department and aftersales service are all running well under strict management constructive guidelines.


Our Unique Advantage:

  •  Small order accept
  •  Green Paint, low pollution
  •  Flat aluminum wire for the woofer
  •  All are textured, durable birch plywood
  •  Plug is Neutrik, endure repeatedly plug
  •  Import loudspeaker cone, good elasticity for woofer

Package and Delivery:

  1. --Carton or flycase
  2. --At buyers' option





 CVR PRO AUDIO aims to: 
 Become your most trusted and reliable manufactory
 Provide high quality pro sound equipment at realistic prices
 Provide outstanding designs together with delicate finished  
 Provide meticulous and considerate service for clients 
  See more at: www.cvr-audio.com


Send message to this supplier
Mr. William Jiang
Tel: 86-20-34833282
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Guangzhou CVR Pro-Audio Co., Ltd
No.2, West jiuheng Road, Guangzhou, Guangdong, China (Mainland)
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