Bk-8380 Wireless Microphone

Prod Model:	BK-8380
Markets:	North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe
Style:	Handheld Microphone
Application:	Karaoke
Signal Transmission:	Wireless
Directivity:	Omni-direction
Sound Channel:	Stereo
Transducer Principle:	Electromagnetic Microphone
Sound Field Force:	Pressure Type
Connector(',s):	XLR 3 Pin
Wireless Technology:	UHF
Output Impedance:	50-1000Ω

Product Description

Feature:
Especially design for the karaok and meeting, 20 sets can use at the same time
LCD screen displayed
With digital code locked technical, effective isolate the disturbing
Can match with handheld, lavilier. Haedset can change to use
Transmitter with 1.5V AA battery
Transmitter can change to use
Material of handheld caes: Metal

Parameter:

Frequency range	UHF711-771MHz
S/N	> 105dB
Distortion	< 0.5%@1kHz
Bandwidth	60MHz
Frequency  deviation	45KHz
Frequency  response	50Hz~15KHz
THD	<0.3%
Operating 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 transmitter and receiver 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 increases gradually	Receiver display indicates RF Therefore level activity	1.Remove nearly sources of RF interference(CD players,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 increases gradually	Transmitter power light pulsing red	Replace transmitter batteries
Sound level different from cabled guitar or microphone,or when using differnent guitars		Adjust transmitter gain and receiver volume as necessary