5,000,000 

The use of stable PLL phase-locked frequency oscillation circuit.
The default of 10 groups of non-interfering frequency group. 300 tuning frequency selectable
per channel.
The powerful CPU control and tone code noise lock dual mute controls, computer equipment,

karaoke machines can be avoided, such as interference.
Infrared frequency can be quickly and accurately lock transmitter frequency.
Control electronic volume output, the operation is more clear and intuitive.

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