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Tuning the 4 Bands of equalization is set by your listening

preference  as  different  music  genre  are  produced  with

different  quality  and  different  equalizations.    The  AP-4EQ  was

designed to help you compensate these recording differences by

allowing you to fine tune your system for your listening enjoyment. 

The  4  Bands  of  equalization  does  not  affect  your

subwoofer channel as your subwoofer channel already has its 

own independent frequency range and volume knob. Instead the 

equalization  bands  will  only  affect  the  Front  and  Rear  Outputs. 

-  Bass (75Hz Centered):    Use  this  knob  sparingly  as  most

  coaxials speakers and components cannot handle 18dB of

    boost. However, in some music you will find that turning up this  

    knob will enhance the low frequency output. 

-  Mid-Bass (500Hz Centered):  Use  this  knob  to  control

    frequencies that are above subwoofer bass and below midrange 

    which is also called low order harmonics.  This range is normally 

    associated with Male vocals, brass instruments. 

-  Mid-Range (2.5kHz Centered):  Use  this  knob  to  control

   frequencies that are associated with musical instruments and 

    female vocals.  Over boosting this region can harm your hearing 

   as your ears are particularly sensitive to how voice sounds and

    it’s frequency coverage. 

-  High (10kHz Centered):   Use  this  knob  to  control  the  upper 

   frequency spectrum which is also known as the brilliance range. 

  Boosting this range can make a recording sound more Hi-Fi.  

  However over boosting this range can also cause excessive

   hiss and listening fatigue. 

Equalization Adjustments

Summary of Contents for AP-4EQ

Page 1: ...is manual to familiarize yourself with your new equalizer This will ensure that your equalizer will perform at its optimum capabilities Para obtener una copia de este manual en espa ol visite www aune...

Page 2: ...urself with the necessary installation requirements and tuning procedures Please read your warranty and retain a copy of your purchase receipt and original carton should your equalizer ever needs to b...

Page 3: ...Subwoofer Frequency Knob 40Hz 150Hz Dual Input Source Selector Main Input or Auxiliary Input Front 3 5mm Auxiliary Input Balanced Differential Front Rear Subwoofer RCA Outputs High Level Speaker Inpu...

Page 4: ...ssemble or modify this unit doing so will void your manufacturer s warranty Important Installation Precautions Installation of mobile audio equipment requires experience Although this manual provides...

Page 5: ...on and options Other popular mounting options are under the dashboard or in your glove compartment For these methods you will use the supplied mounting brackets as shown below Make sure there are no i...

Page 6: ...r High Level Speaker Input right side position The High Level input allows you to connect speaker outputs from our factory radio to the equalizer without the need of a high to low level converter 5 Su...

Page 7: ...ositive 12 volt source Use the same gauge wire that is used for the ground preferably 18 Gauge or larger and run it to the 12 Volt terminal 2 High Level Input If you are going to use High Level Input...

Page 8: ...fier The above example illustrates the most common use of the AP 4EQ utilizing 3 amplifiers and a headunit The signal connections from the headunit can be from either the High Level Input or the Low L...

Page 9: ...in some music you will find that turning up this knob will enhance the low frequency output Mid Bass 500Hz Centered Use this knob to control frequencies that are above subwoofer bass and below midrang...

Page 10: ...Voltage 9 18 Volts DC Fuse Requirement 2A Included Dimensions H x W x D 1 0 x 7 0 x 4 2 Inches MM 25 x 179 x 106 Technical Specifications Due to continuous product improvements specifications and fea...

Page 11: ...nter the Fader knob 4 Push the source button on the front panel to make sure you have selected the correct input mode 5 Make sure your input switch on the top panel is at the correct mode Hissing nois...

Page 12: ...ocessors Aunex Inc warrants this product to be free of defects in materials and workmanship for a period of 2 years from the original purchase date This warranty is non transferrable and applies only...

Page 13: ...chase or directly from the consumers must have a valid RMA number Return Merchandise Authorization Returns without a valid RMA number will be refused The RMA number must be clearly written on the outs...

Page 14: ...Declare Your Independence Aunex Inc 13865 Magnolia Avenue Unit C Chino CA 91710 T 909 589 5010 F 909 589 5011 8 30am 5 30pm PST Pacific Standard Time www aunexusa com...

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