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
Standard configuration:
· The receiver x1
· The transmitter x1
· Headset microphone x1
· Earphone x1
· Ø 3.5 ø 6.3, Plug x1
· Ø 3.5 plug conversion cable x1
· 5th section alkaline batteries x4
· Gift box + Pearl cotton x1