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DESCRIPTION 

 

 

 
7. CUTING FREQUENCY CONTROL 

    Use to control de cutting frequency ( low pass filter ) of subwoofer. Set from 40Hz to 300Hz 
 

8. AC  FUSE 

Before to connect the ac cord on this socket, make sure that the available voltage is not higher than stated at the end of this 
manual 
The ac fuse is integrated on the power connector. It’s used to avoid power supply default on speaker. if the ac cord is connected 
and power switch push on the position on but speaker doesn’t work, please check the fuse. if the fuse is out of order, replace it 
by fuse with same size and same value.   

 

9. POWER SWITCH

 

   

This switch is used to power on or power off the K212A subwoofer 

 

 
 

TECHNICAL SPECIFICATIONS 

 

Woofer :   

 

 

2x12’’ ( 2x31cm ) 

Frequency response :   

38Hz – 500z 

Sensitivity 

:   102dB 

RMS power :     

 

900W 

Max power :     

 

1800W 

Line input :   

 

 

Combo XLR-Jack 

Line link output : 

 

XLR   

Power supply :   

 

220-240VAC, 50/60Hz 

Dimensions 

 

  605x580x576mm 

Weight 

 

   55Kg 

 

1. LEFT INPUT

    Connect on this socket ( Combo XLR - Jack ) the left output of a line level 
    device as cd player, DVD player, mixer,....   
 

2. RIGHT INPUT 

    Connect on this socket ( Combo XLR - Jack ) the right output of a line l 
    level device as cd player, DVD player, mixer,....   
 

3. RIGHT LINK OUTPUT 

    This ouput is same signal as the LINE input. Connect this output to the   
    right input of an other activ speaker or to a power amplifier 
 

4. LEFT LINK OUTPUT 

    This ouput is same signal as the LINE input. Connect this output to the   
    left input of an other activ speaker or to a power amplifier 
 

5. SIGNAL POLARITY SELECTOR 

    Use this switch to inverse signal polarity of input signal 
 

6. MASTER VOLUME 

        This control is used to adjust level control of the subwoofer . 
 
 

 
 

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