Jamaica Model: D-620

In-ear stage monitor, referred to as Ear Return or IEM for short in the industry, is a special in-ear audio equipment worn by singers, bands and presenters on the stage, replacing the traditional stage ground echo speakers. Used in large-scale concerts, music festivals, bar singing, outdoor roadshows, TV program recording, large-scale conference hosting and live broadcast.

Product Description

aunch host parameters:
Frequency usedMhz
Modulation modeFM500-890
Frequency response50Hz-15KHz
Sound output3.5 mixed output 300mV
e Distortion<1%
Signal-to-noise ratio95db
Working voltagetwo AA batteries 1.5V
Battery operating current110mA
  
Transmitter parameters 
Operating frequency500-890MHz
Frequency response50Hz-15KHz
Modulation16KHz(70my input)
Frequency accuracy requirement±10KHz
Transmitting power25mW
Working voltageDC12-18V
e Working current250mA