Order Koolertron(TM) New In Ear Professional Stage Wireless Monitor System

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Here are some of the great features of Koolertron(TM) New In Ear Professional Stage Wireless Monitor System

KoolertronTM In Ear,

Feature:
Application: Public address, on-stage monitoring
Qty:1pcs
Including wireless transmitter and receiver
Stereo audio transmission
Adjustable UHF radio frequency for interference-free reception
Powered by 2pcs AA batteries (not included)
Low power consumption circuitry
Power switch with volume control for ease of operation
Multiple sets of receivers can operate with a single transmitter

Specification:
Carrier Frequency: 432.6MHz-434MHz
Frequency Response: 50Hz-17kHz
S/N Ratio: ?45dB
Power: ?10mW
Transmitter Power Supply: DC 12V/300mA
Receiver Power Supply: 2 x 1.5V AA Alkaline Battery
Receiver Operating Current: 50mA±20mA
Channel Separation: ?30dB
Operating Range: Approx. 30m

Package include:
1x Receiver
1x Transmitter
1x Earphones
1x AA alkaline battery
1x 6.3mm adaptor1x Audio cable
1x 12V/300mA adaptor
1x Use manual

Note:If you want buy a extra receiver please check Amazon ASIN:B006028E96.

Please do not use two transmitters or more at the same time in one place , or it will cause interference.