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Teaching 2.4G wireless microphone

Function introduction
1, transmission distance greater than 30 meters, can use two wireless microphones at the same time.
2, built-in DSP audio processing functions, to achieve high bass adjustment, digital echo ECHO adjustment
3, built-in DSP audio processing functions, to achieve digital feedback control function.
4, with PPT flip function, no need to install the driver, connected with the computer USB port can be realized.

Voltage 5V
Operating current (peak) 60MA
Distortion rate 0.20%
Signal to noise ratio 85dB
Dimension 220*140MM

Teaching sound box s...
Home speaker series
Guangzhou City, the name of the spectrum Electronics Co., Ltd.
Contact: 13543434516 Su Wanqiang
Reserved 2001-2012 Guangzhou City spectrum Electronics Co., Ltd. all rights reserved.
address:999 Furong Avenue, Huadu District, Guangzhou telephone: 0086 020 0086_020_36918736 Fax: + 0086-13901623260 020 87025498