Wireless Headset Microphones System professional uhf stage microphone for Church

Features  　 　 　 
Features:
1.Four channel AFS frequency automatic search function in dependently.
2.The frequency can by synchronized between receiver and transmitter via infrared.
3.Four channels which of volume and audio frequency control independently and 4+2 audio frequency output.
4.Transmitter battery monitoring.
5.Handheld, lavalier, headset can be mixed use.
6.LCD display shows status of frequency, AF and RF signal etc.
7.Using four same channel to make the transmitter can exchange.
8.Noise locked, Pilot Tone locked and Squelch Control.
9. Frequency:  UHF 640MHz - 690MHz 
10. Frequency Response:   40Hz~18KHz 
11. Battery Life:  12 Hours ( AA batteries ) 
12. Range:  Up to 300 feet 
13. Rack mountable, Fits 19" rack
 
Package includes: 
(1)  Four channel UHF diversity receiver 
(4)  headset mic and beltpack transmitter
(1) 1/4" audio cable   
(1)  AC-CD 110V-240V universal adapter 
(1) User's manual