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this manual carefully before using the product.
Front & back surface interface of volume adjustment&mechanical
switch version
①
………………………… POWER NO/OFF
②
………………………… LED INDICATOR LIGHT
③
………………………… Bass Knob
（
increase clockwise and decrease counterclockwise
）
④
………………………… Treble Knob
（
increase clockwise and decrease counterclockwise
）
⑤
………………………… VOL+/- (increase clockwise and decrease counterclockwise)
⑥
………………………… Bluetooth antenna (bluetooth is optional)
⑦
………………………… BT/RCA Option switch
⑧
………………………… Input interface of audio (Such as CD, DAC decoder, mobile phone,
TV, etc., red to right channel input, white to left channel input)
⑨
………………………… Speaker Output (red to positive, black to negative, L to leftspeaker
and R to rightspeaker,SUB to subwoofer)
⑩
………………………… Power interface (DC power shall not exceed 24V)