Bk-8300 Two Channel Wireless Microphone

Prod Model:	BK-8300
Markets:	North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe
Style:	Handheld Microphone
Application:	Music
Signal Transmission:	Wireless
Directivity:	Uni-direction
Transducer Principle:	Electromagnetic Microphone
Sound Field Force:	Pressure Type
Wireless Technology:	UHF
Output Impedance:	50-1000Ω
Sound Channel:	2

Product Description

                             BK-8300 Two channel wireless microphone 
Feature:
Especially design for the Karaoke,25 sets can use at the same time
2 channel UHF wireless mcirophone ,each channel 100 optional frequency 
With digital code locked technical,effective isolate the disturbing 
Can match with handheld ,belt pack ,headset to use, transmitter can change to use

Parameter:
Frequency Range:UHF711-771MHz
Frequency Stability:±0.001%
Maximum Frequency Deviation:±50KHz
Signal Noise Ratio:>80db
Distortion:<0.5%@1KHz
Frequency response:50Hz~15KHz
THD:<0.3%
Operational Temperature:-10ºC~55ºC
Operating distance:50m(In an ideal environment)

Troubleshooting

Issue	Indicator Status	Solution
No sound or faintsound	Receiver LCD off	1.Make sure AC adapter is securely plugged into electrical outlet and into DC input connector on rear panel of receiver 2.Make sure AC electrical outlet works and is supplying proper voltage
	Transmitter power light off	1.Turn transmitter on 2.Make sure the +/- indicators on battery match the transmitter terminals 3.Insert a fresh battery
	Receiver display indicates RF Therefore level activity	1.Press mute switch on transmitter 2.Turn up receiver volume control 3.Check cable connection between receiver and amplifier or mixer
	Receiver display indicates no therefore level activity transmitter and receiver power lights glowing	1.Extend receiver antennas vertically 2.Move receiver away from metal objects 3.Check for line of sight between receiver and transmitter 4.Move transmitter closer to receiver 5.Check that receiver and transmitter are using the same frequency
	Transmitter power light pulsing red	Replace transmitter batteries
Distortion level increses gradually	Receiver display indicates RF Therefore level activity	1.Remove nearby sources of RF interference(CD player,computers digital effects,inear monitor systems,etc.) 2.Change receiver and transmitter to a different frequency 3.Replace transmitter batteries 4.If using multiple systems,increase the frequency spread between systems
Distortion level increase gradually	Transmitter power light pulsing red	Replace transmitter battery
Sound level different from cabled guitar or microphone,or when using different guitars		Adjust transmitter gain and receiver volume as necessary