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INTRODUCTION

Read this manual and follow its instructions and info carefully. 
It  contains  extremely  important  information  to  have  your 
amplifier working properly. If you feel the need to contact our 
Tech Support, you can reach our technicians through the e-
mail [email protected].

To prevent injuries to the user or damage to the amplifier, read 
all the safety instructions written on this manual;

If you're insecure about the installation of this equipment, get 
in  touch  with  our  tech  support  or  with  a  professional 
specialized in car audio installation;

Before  proceeding  with  the  installation  of  any  electric 
equipment in your vehicle, unplug the negative (-) terminal of 
the battery to avoid fires, injuries or damages.

Use your sound system safely. The continuous exposure to 
sound pressure over 85 dB may cause irreversible hearing 
damage.

The  location  of  installation  is  very  important.  Please  install 
your SDX4.1 in a solid location with little vibration. It is not 
recommended to install it directly on subwoofer boxes

Use shielded RCA cables to avoid the chance of getting any 
noise in your sound system

Install  and  wrap  the  cables  properly,  away  from  any  sharp 
parts  of  the  chassis.    Make  sure  to  install  the  RCA  cables 
separate  from  power  cable,  speaker  cable  or  any  electric 
equipment such as fuel injection centrals, for example.

Dear customer,

Congratulations on acquiring your SounDigital!
You've just purchased a product of high quality and technology.
The  SounDigital  products  are  developed  to  assure  maximum 
efficiency and reliability to your sound system.

Electronic Crossover SDX4.1

The  crossover  SDX4.1  was  developed  to  perform  frequency 
adjustments in sound systems through active electronic filters. 
These filters provide an improvement both in the quality and in the 
efficiency of the sound system, resulting in a better performance 
of the speakers.

We recommend the use of Soundigital original accessories for 
a  better  performance.  The  amplifiers,  RCA  cables  and 
voltmeters  offered  by  Soundigital  follow  the  same  quality 
standards as our crossovers, assuring an excellent quality and 
high power sound system to our customers.

Important info:

Summary of Contents for SDX4.1

Page 1: ...English Owner s Manual...

Page 2: ...PACKAGE CONTENTS 1 Crossover SDX4 1 1 Owner s Manual 1 Promotional Sticker...

Page 3: ...nded to install it directly on subwoofer boxes Use shielded RCA cables to avoid the chance of getting any noise in your sound system Install and wrap the cables properly away from any sharp parts of t...

Page 4: ...fuse installed close to the battery The negative GND cable should be connected to the negative of the battery or to the ground spot closest to the ampli er in order to avoid unwanted noises on your s...

Page 5: ...outputs 0 180 phase adjustment in the Low Rear output Front rear input selection in the Low output Bass boost adjustment in the Low output Frequency response 1dB 10Hz to 100kHz Input impedance 10K Ohm...

Page 6: ...st adjustment In nite level adjustment at 0dB On O mute switch key Mid Low Output Front Low input signal selection by switch key 50 Hz to 400 Hz variable 12dB oct HPF 30 Hz to 5 kHz variable 12db oct...

Page 7: ...5 SDX4 1 AUDIO INPUT AND OUTPUT CONNECTION SCHEMATICS Subwoofers Front output Rear output Output for another ampli er or crossover...

Page 8: ...vely to send audio to the Low output This input can be connected to the Rear or Sub outputs of the car radio if it is available in the device used Connection to the Low Rear input is not mandatory and...

Page 9: ...djust and On O key Mid Low Output This way receives signal from the Front in audio input the following settings are possible HPF LPF LevelAdjust e On O key HPF High Pass Filters of 12dB oct with varia...

Page 10: ...f doubt High Output The High Output receives audio signal through the Front In the following settings are possible in this way HPF LPF Level adjustment and On O switch mute This way doesn t have LPF h...

Page 11: ...enta o sa da m dulos de inje o eletr nica igni o e chave de partida Fa a sempre um bom aterramento do tipo em estrela com todos os cabos GND partindo do mesmo ponto Caso o problema persista encaminhe...

Page 12: ...xposure to adverse conditions weather humidity etc Damage caused by fall impact or natural depreciation caused by transport and or handling risks or smashings Product was purchased more than 12 months...

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