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1) INPUT 1/INPUT 2 

 
These are the input connections to the equalizer which enable L/R of INPUT 1 and L/R of INPUT 2 to be connected to your head unit. 
Of course you can select either INPUT 1 or INPUT 2 separately by the INPUT SELECTOR. If you connect the radio source and the 
CD source separately to INPUT 1 and INPUT 2, you can choose one of the two by the INPUT SELECTOR SWITCH (6). 
 

2) INPUT GAIN CONTROL 

 
The gain control is used to match the input signal from the source unit. 
Please adjust the gain control to pre vent any distortion at high volumes and to reduce hiss at low volumes. Please turn on the audio 
system before you adjust the gain control.  
Be sure to repeat this procedure for the 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 control to function properly. 
 

4) SUBWOOFER CONTROL 

 
The subwoofer level (volume) is increased or decreased with this VOLUME control. 
 

5) FADER CONTROL 

 
This allows you to select FRONT or REAR. 
By adjusting this FADER CONTROL to your desired level, you can choose your designated amplifiers (FRONT/REAR) to which the 
full signal is distributed. 
 

6) INPUT (1, 2) 

 
This allows you to s elect INPUT 1 or INPUT 2. 
 

7) SUB BASS CONTROL 

 
This allows 120Hz frequency to be increased or decreased. 
 

8) MID BASS CONTROL 

 
This allows 120Hz frequency to be increased or decreased. 
 

9) MID RANGE CONTROL 

 
This allows 2.2KHz frequency to be increased or decreased. 
 

10) TREBLE CONTROL 

 
This allows 12KHz frequency to be increased or decreased. 

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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