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RED 
 
This is the positive (+) 12 volt input connection which provides the equalizer with operating voltage. A good source of power for this 
connection is the same power source that supplies the head unit (AM/FM/RECEIVER/PLAYER). The power source may be constant 
or switched ignition period. 
 

 
NOTE: 
Do not remove the factory supplied fuse holder. Removal of this fuse will void the warranty and cause the unit to be 
permanently damaged. Only use recommended fuse ratings when replacing. 

 
ORANGE 
 
This is the remote activation input connection which turns the equalizer controller on and off with the audio system. (+)12 volt power 
is supplied from the audio receiver through the power antenna output or remote output lead. 
 

NOTE: 
When activating multiple units (Equalizer, Crossover and additional Amplifiers) a relay system must be used to prevent 
damage to the audio receiver. 
 

BLACK 
 
This is the negative (-)12 volt input connection. Connect this lead to a solid chassis ground free of paint, plastic, and other non-
conductive materials. This connection should be very secure. The wire should not move. 
 

NOTE: 
When using multiple signal processors (Equalizers, Crossover and additional Amplifiers) a common grounding source should 
be made to prevent noise problems. 

Summary of Contents for 7004B Four-Band Equalizer/Two way Crossover

Page 1: ...VER in a compact din chassis to fit into your car dashboard under your car stereo system This unit also comes with special mounting bracket to install it under your dashboard or in your glove compartm...

Page 2: ...nd input source 3 VOLUME CONTROL The audio level volume is increased or decreased with this VOLUME control NOTE The adequate input signal must be provided from the input source for the VOL Level contr...

Page 3: ...uency of both FRONT REAR SUBWOOFER L R You can control equalizer at FULL RANGE when equalizer is on 15 POWER CONNECTOR Plug the power harness labeled into the power jack When connecting the harness to...

Page 4: ...ut connection which turns the equalizer controller on and off with the audio system 12 volt power is supplied from the audio receiver through the power antenna output or remote output lead NOTE When a...

Page 5: ...hen when the equalizer is connected and working properly you can mount it without rerouting the wires Please read the following installation procedures carefully so that you can keep this unit working...

Page 6: ...ts of the power amplifier which drives low pass frequency 4 Please reset frequency to match your speaker After considering the output level of your head unit and the input sensitivity of your amplifie...

Page 7: ...for the removal and or installation of the product If the product is shipped for warranty service you must prepay the initial shipping charges but Autotek will pay the return shipping charges if the...

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