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CFQ31M 

Mono 31 Band Graphic Equalizer 

 

Thank you and congratulations for choosing 

Crossfire Car Audio

.  You have selected one of the finest audio 

reproduction products available, the competition series CFQ31M graphic equalizer.  Your purchase of this 31 band 
competition series equalizer shows your interest in pure sonic reproduction and the high build quality that has 
become a personal goal of the design and engineering teams at 

Crossfire

.   

 
Manufacturing sophisticated competition equalizers is not all 

Crossfire

 has accomplished.  Check out our full line 

of  amplifiers, crossovers, dynamic component systems, coaxial speakers, and of course our wide selection of high 
performance subwoofers.  Explore the potential of 

Crossfire Car Audio

, and most of all, 

enjoy the music! 

 
 
 

IMPORTANT! 

PLEASE READ ALL INSTRUCTIONS CAREFULLY BEFORE INSTALLATION! 

 

The quality of installation may affect the performance and reliability of your 

Crossfire 

signal processor.  Please take 

a few minutes to read the manual carefully.  The time you spend on installation will prove to be worthwhile when 
it's time to listen to your investment.  If you have any doubts or questions regarding installation or use, you may 
wish to contact your local authorized 

Crossfire Car Audio

  dealer or call

  Crossfire

  at 562-906-0800 for further 

assistance. 
 

*Please note:

  The CFQ31M is a mono equalizer.  It was designed for maximum equalization per channel, 

thus creating a need for two CFQ31M’s to operate in a stereo mode.  Multiple units may be used for equalizing rear 
and center channels as well. 
 

Specifications 

 

Equalizer 

Number of bands  ………………………  31 x 1 channel, 1/3 octave 
Type  …………………………………………………  Constant “Q” 
Accuracy  ………………………………….  3% of center frequency 

Range  …………………………………..  +6dB or +12dB selectable 

 

General 

Frequency response ...…...........................................  10Hz to 40KHz 

T.H.D. ...................................................................….................. .01% 

Signal to noise ratio ...................................................….......   >110dB 
Input impedance (Balanced)...........................................….  20Kohms 

(Unabalanced) ………………………….  15Kohms 

Output impedance (Balanced)..........................................…. 150 ohms 

(Unbalanced)…..……………………….. 100 ohms 

Input level .................................................................…...            to 6V 
Output level ....................................................……..          to 8 VRMS 

Subsonic filter …………………………...  10Hz to 250Hz, 12dB/Oct. 

Power fuse ………………………………………………… 3 Ampere 

Dimensions

............................................. 19(W) x 6.75(L) x 1.75(H) in. 

 
 
 
 
 

Summary of Contents for CFQ31M

Page 1: ...y of your Crossfire signal processor Please take a few minutes to read the manual carefully The time you spend on installation will prove to be worthwhile when it s time to listen to your investment I...

Page 2: ...s input accepts balanced line signal from the source unit utilizing TRS Tip Ring Sleeve style connectors 11 XLR Input This input accepts balanced line signal from the source unit utilizing XLR style c...

Page 3: ...le s chassis as close to the Crossfire CFQ31M as possible that is a good source of ground preferably the floor Investigate the area you wish to use for electrical wires vacuum lines and brake or fuel...

Page 4: ...res This means that hiss engine noise and fan noise can easily be picked up if ran incorrectly As a precaution avoid placing the signal cables near large wire looms and electric fans whenever possible...

Page 5: ...on the track repeat function If you do not have a test CD skip to step 3 b 2 Unplug the output signal cable of the CFQ31M s going into the following component s Connect your volt meter to the output c...

Page 6: ...changes in the response after each setting 3 Always use extreme caution when boosting frequencies For every 3dB of boost twice the power is demanded from the amplifier at that particular frequency Fo...

Page 7: ...the cost of returning the product to Crossfire s service center for repair vi This warranty does not apply to repairs or replacements necessitated by any cause beyond the control of Crossfire Includin...

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