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Function introduction
A: multi channel signal input switch, two-way audio output, two microphone input.
B: smart dual decoding card reader, WMA/MP3 and other audio formats, support USB/SD/MMC card and other media.
C: music volume and microphone volume can be adjusted independently, with a microphone reverberation adjustment function.
Distortion rate 2%

The signal-to-noise ratio is more than 83db
Impedance 4 - 8
Rated voltage 220V
Rated power 2*30W
Box size 360*213*75MM

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