UHF-band PLL phase-locked loop control design, greater frequency stability
· Independent microphone inputs and external audio sources (you can enter CD, MP3, etc), music sharing
· A pair one or one-to-many, and number of receivers needed unlimited expansion
· The receiver when there is no signal, with automatic mute function
· With separate volume control knob, you can adjust the volume
Adapted place:
Activities such as guided tours, workshops, tours, learning
Technical parameters:
· The frequency control: PLL phase locks
· The carrier frequency: 433MHz
· Modulation mode: FM
· The frequency response: 60Hz-15kHz
· The SNR: >45dB (at 1kHz)
· Total non-linear distortion: < 1%
· Transmitter power: ? 10mW
· Input level: valid values of 500 MV
· The transmitter power supply: 2 x 1.5V AA alkaline batteries
· The transmitter battery life: 12 hours
· The receiver power supply: battery, 5th section
· The receiver battery life: 25 hours
· The distance: 50m
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The UHF (Ultra High Frequency) is designed with PLL (phase-locked loop) control, so the working frequency will be more stable;
It supports independent microphone input and an external audio source such as CD, MP3;
It can be used one-to-one or one-to-more, and the numbers for receiver can be enlarged according to your needs;
It supports the mute function when there is no signal for the receiver;
You can adjust the volume with the adjustment button.
1.Antenna 2.Power switch 3.Power indicator
4.AUX in Socket 5.Mic in Socket 6.Battery cover 7.Belt-clip
Receiver:
1.Antenna 2.Power switch 3.Power indicator
4.Output Socket 5.Volumn Control 6.Battery cover 7. Belt-clip
Specifications:
Transmitter
Frequency control: Phase Locked Loop
Carrier Frequency: 433MHz
Modulation Mode: FM
Input Level: Virtual Value 500mV
The frequency response: 60Hz-15kHz
The SNR: >45dB (at 1kHz)
Total non-linear distortion: < 1%
Transmitter power: ≤ 10mW
Input level: valid values of 500 MV
The transmitter power supply: 2 x 1.5V AA alkaline batteries
The receiver power supply: battery, 5th section
Package contents:
1* Transmitter
20* Receiver
1* Headset Mic
20* Earphone
1* Adaptor Plug
1* Audio Cable