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Equalizers & Sound Processors

For those who want the most out their car audio system, a quality sound processor is a must. After some slight adjustments, your system will sound like it has been professionally tuned and optimized. Tune your system to perfection with these digital sound processor DSPs, equalizers, crossovers, and get more bass with a bass reconstruction processor like the Epicenter. Getting a high quality LOC is also a must for those looking to integrate and add bass while retaining their factory stereo. Learn more about digital sound processors and to find out which type would be best for your car audio system.


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PAC SNI-15

45W Line Out Converter

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45W Line Out Converter

• Converts 10 to 30 watts per channel with a fixed 10:1 conversion
• Great for getting an additional set of pre-amps outputs from a head unit equipped with only one set

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• Converts 10 to 30 watts per channel with a fixed 10:1 conversion
• Great for getting an additional set of pre-amps outputs from a head unit equipped with only one set

AudioControl Epicenter Micro

2-Channel Concert Series Digital Bass Restoration Processor with Bass Remote

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2-Channel Concert Series Digital Bass Restoration Processor with Bass Remote

• Bass Maximizer circuitry
• LMC™ speaker level adaptive load input stage
• Multiple turn on options
• ACR-4™ dual controller
• Overall Sub level control
• PFM Subsonic Filter bypass option

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• Bass Maximizer circuitry
• LMC™ speaker level adaptive load input stage
• Multiple turn on options
• ACR-4™ dual controller
• Overall Sub level control
• PFM Subsonic Filter bypass option

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Install Bay IBR69

2-Channel 100W Max (50 W Per Channel) Mini Line Output Converter

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2-Channel 100W Max (50 W Per Channel) Mini Line Output Converter

• Line out converter for adding amplifier to factory radio
• Auto remote turn on
• 6:1 step down with adjustable output
• 100 Watts Max
• 50 Watts max per channel

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$9.99

In stock

• Line out converter for adding amplifier to factory radio
• Auto remote turn on
• 6:1 step down with adjustable output
• 100 Watts Max
• 50 Watts max per channel

PAC LP7-4

L.O.C. PRO Series 4-Channel Line Output Converter with Remote Turn On

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L.O.C. PRO Series 4-Channel Line Output Converter with Remote Turn On

&bull 4-Channel LOC PRO Series
• Remote Turn on Wire
• Single Dial
• Signal-Sensing Circuit
• Surface Mount Construction
• Level Gain Adjustment

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&bull 4-Channel LOC PRO Series
• Remote Turn on Wire
• Single Dial
• Signal-Sensing Circuit
• Surface Mount Construction
• Level Gain Adjustment

NVX XLOC44X

4 inputs / 4 outputs High Voltage Active Line Output Converter with Impedance Matching and Remote Level Control

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4 inputs / 4 outputs High Voltage Active Line Output Converter with Impedance Matching and Remote Level Control

• 4-Channel Speaker Level Inputs
• 4-Channel RCA Outputs
• Handles up to 40V (400 watts RMS)
• Provides up to 9.5 Volts of output
• Auto turn-on via DC offset or Audio detection 
• Load selection switch (20, 60, or 20K ohms)
• Wired remote bass level control included
• LED Clip indicator

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• 4-Channel Speaker Level Inputs
• 4-Channel RCA Outputs
• Handles up to 40V (400 watts RMS)
• Provides up to 9.5 Volts of output
• Auto turn-on via DC offset or Audio detection 
• Load selection switch (20, 60, or 20K ohms)
• Wired remote bass level control included
• LED Clip indicator

XLOC44X small

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Price: $64.99

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  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7
Essential add-ons
NVX XLOCXLC

Remote level controller for NVX X-Series Active Line Output Converters

$19.99

$9.99

Add to cart

NVX XMICROLOC4

4-Channel 600W Micro Line Output Converter with Remote Turn-on Trigger

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4-Channel 600W Micro Line Output Converter with Remote Turn-on Trigger

• 4-Channel Micro Line Output Converter
• Input Circuit corrects crossover distortion
• Individual adjustable outputs
• Auto turn-on via DC offset
• Compact design allows for easy install

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• 4-Channel Micro Line Output Converter
• Input Circuit corrects crossover distortion
• Individual adjustable outputs
• Auto turn-on via DC offset
• Compact design allows for easy install

Axxess AXDSPL-WR

6-Channel DSP w/Water Resistant Enclosure

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6-Channel DSP w/Water Resistant Enclosure

• 15 Band graphic EQ
• 4 inputs and 6 individually assignable outputs
• Settings adjusted via Bluetooth® in a smart device application (tablet or mobile phone), compatible with both Android™ and Apple® devices
• Micro-B USB updatable
• Front and rear channels can be delayed independently up to 10ms

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• 15 Band graphic EQ
• 4 inputs and 6 individually assignable outputs
• Settings adjusted via Bluetooth® in a smart device application (tablet or mobile phone), compatible with both Android™ and Apple® devices
• Micro-B USB updatable
• Front and rear channels can be delayed independently up to 10ms

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Price: $389.99

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Essential add-ons
Stinger SI4612

12 ft. of 6-Channel 4000 Series RCA Interconnect Cables

$73.00

$28.99

Add to cart
NVX XIV25

V-Series: 5m (16.40 ft) 2-Channel RCA Audio Interconnect Cable

$18.99

$12.99

Add to cart
NVX XIX25

X-Series: 5m (16.40 ft) 2-Channel RCA Audio Interconnect Cable

$29.99

$18.99

Add to cart
SMD CC-1

Crossover Calibrator (CC1)

$195.99

$192.99

Add to cart

Hifonics BXIPRO3.0

Bass Enhancer Processor with Dash Mount Remote Control

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Bass Enhancer Processor with Dash Mount Remote Control

•Bass Enhancer Processor with Dash Mount Remote Control
• Dual function bass remote
• Frequency Response: 10Hz - 50kHz
• Signal-to-Noise Ratio: -84.0dB

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•Bass Enhancer Processor with Dash Mount Remote Control
• Dual function bass remote
• Frequency Response: 10Hz - 50kHz
• Signal-to-Noise Ratio: -84.0dB

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Price: $59.99

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  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
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AudioControl LC6i (Black)

6-Channel Line Out Converter with 6 Preamp Outputs

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6-Channel Line Out Converter with 6 Preamp Outputs

• Six Speaker Level Inputs – Can Accept 400 Watt Signals!
• GTO™ Signal-Sensing Input
• Internal Channel Summing
• Line Output Converter

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Price: $185.00

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Essential add-ons
NVX XCR1

Easily adjust your subwoofer level while seated inside your vehicle

$29.99

$19.99

Add to cart
Dash Mount Wired Remote Level Control For Select AudioControl Sound Processors

Dash Mount Wired Remote Level Control For Select AudioControl Sound Processors

$45.00

$34.99

Add to cart

Axxess AXDSP-L

6-Channel Universal Digital Signal Processor

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6-Channel Universal Digital Signal Processor

• 15 Band graphic EQ
• 4 inputs and 6 individually assignable outputs
• Independent equalization for front, rear, and sub
• Independent crossover for front, rear, and sub
• Selectable slope (12, 24, 36, or 48db per octave)
• Front and rear channels can be delayed independently up to 10ms
• Easy behind the radio installation in most applications

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• 15 Band graphic EQ
• 4 inputs and 6 individually assignable outputs
• Independent equalization for front, rear, and sub
• Independent crossover for front, rear, and sub
• Selectable slope (12, 24, 36, or 48db per octave)
• Front and rear channels can be delayed independently up to 10ms
• Easy behind the radio installation in most applications

AXDSP-L small

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Price: $289.00

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Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7
Essential add-ons
Stinger SI4612

12 ft. of 6-Channel 4000 Series RCA Interconnect Cables

$73.00

$28.99

Add to cart
NVX XIV25

V-Series: 5m (16.40 ft) 2-Channel RCA Audio Interconnect Cable

$18.99

$12.99

Add to cart
NVX XIX25

X-Series: 5m (16.40 ft) 2-Channel RCA Audio Interconnect Cable

$29.99

$18.99

Add to cart
SMD CC-1

Crossover Calibrator (CC1)

$195.99

$192.99

Add to cart

Axxess AXSUB-GM5

Add-on subwoofer Interface select GM vehicles 22-24

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Add-on subwoofer Interface select GM vehicles 22-24

• Plug and play T-Harness allows for faster installation
• AXSUB-GM5 Interface and Bass Knob for subwoofer level control
• Micro USB updateable

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• Plug and play T-Harness allows for faster installation
• AXSUB-GM5 Interface and Bass Knob for subwoofer level control
• Micro USB updateable

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Price: $176.99

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Limited time!

AudioControl LC7iPRO

6-Channel Line Out Converter with AccuBASS

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6-Channel Line Out Converter with AccuBASS

• Two Channels of Active Speaker Level Inputs
• AccuBASS Processing
• 9.5 Volt Pre-Amp Outs
• GTO - Signal Sensing Inputs

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Was $329.00 Details
Save $90.00
$239.00

In stock

• Two Channels of Active Speaker Level Inputs
• AccuBASS Processing
• 9.5 Volt Pre-Amp Outs
• GTO - Signal Sensing Inputs

LC7iPRO small

Item added to your cart.

Price: $239.00

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  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7

PAC LP3-4

L.O.C. PRO Series 4-Channel Line Output Converter

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L.O.C. PRO Series 4-Channel Line Output Converter

• 4-Channel LOC PRO Series
• 33% Smaller Size Gives More Room For Vital Components
• 55 Watts Per Channel
• Speaker Level Input to RCA Level Output
• Single Dial

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• 4-Channel LOC PRO Series
• 33% Smaller Size Gives More Room For Vital Components
• 55 Watts Per Channel
• Speaker Level Input to RCA Level Output
• Single Dial

Axxess AX-ALOC648

4-Channel Adjustable Line Level Converter

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4-Channel Adjustable Line Level Converter

• Digital Line Level Converter
• 4-Channel Hi/Low Adapter
• 80 Watts Maximum Input
• 6:1 Step Down
• Adjustable Outputs
• Gold-Plated RCA Connectors

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• Digital Line Level Converter
• 4-Channel Hi/Low Adapter
• 80 Watts Maximum Input
• 6:1 Step Down
• Adjustable Outputs
• Gold-Plated RCA Connectors

MTX RC-18

Polaris RideCommand Harness Adaptor

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Polaris RideCommand Harness Adaptor

• Direct Factory Plug and Play Design
• Easy Connectivity for MUD Series Amplifiers
• Remote Turn-On Provided for Amplifier Activation
• No Cutting or Splicing of Factory Wiring Required, Will Not Effect Factory Warranty

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• Direct Factory Plug and Play Design
• Easy Connectivity for MUD Series Amplifiers
• Remote Turn-On Provided for Amplifier Activation
• No Cutting or Splicing of Factory Wiring Required, Will Not Effect Factory Warranty

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Price: $79.95

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  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
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Axxess AXDSPX-BM1 Digital signal processor and T-harness

Allows you to add a DSP an aftermarket amplifier to the factory system in select 2006-2015 vehicles from BMW, Mini

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Allows you to add a DSP an aftermarket amplifier to the factory system in select 2006-2015 vehicles from BMW, Mini

• Plug and Play T-harness for faster installation
• 31-band graphic EQ or 5-band Parametric EQ
• Can be used with OE and aftermarket radios
• Settings adjusted wirelessly from smart device
• Selectable high pass, low pass, or bandpass filters

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$329.99

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• Plug and Play T-harness for faster installation
• 31-band graphic EQ or 5-band Parametric EQ
• Can be used with OE and aftermarket radios
• Settings adjusted wirelessly from smart device
• Selectable high pass, low pass, or bandpass filters

AXDSPX-BM1 small

Item added to your cart.

Price: $329.99

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  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
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Axxess AXDSPX-TES1

Allows you to add a DSP to the factory system for Tesla 2021-Up

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Allows you to add a DSP to the factory system for Tesla 2021-Up

• Plug and Play T-harness for faster installation
• 31-band graphic EQ or 5-band Parametric EQ
• Can be used with OE and aftermarket radios
• Settings adjusted wirelessly from smart device
• Selectable high pass, low pass, or bandpass filters

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$467.99

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• Plug and Play T-harness for faster installation
• 31-band graphic EQ or 5-band Parametric EQ
• Can be used with OE and aftermarket radios
• Settings adjusted wirelessly from smart device
• Selectable high pass, low pass, or bandpass filters

AXDSPX-TES1 small

Item added to your cart.

Price: $467.99

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  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
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Axxess AXSUB-FD1

Add-on subwoofer Interface select Ford vehicles 06-14

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Add-on subwoofer Interface select Ford vehicles 06-14

• Retains factory wiring integrity
• Plug and Play T-Harness allows for faster installation

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• Retains factory wiring integrity
• Plug and Play T-Harness allows for faster installation

AXSUB-FD1 small

Item added to your cart.

Price: $176.99

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  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
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NVX XLOC22X

2 inputs / 2 outputs High Voltage Active Line Output Converter with Impedance Matching

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2 inputs / 2 outputs High Voltage Active Line Output Converter with Impedance Matching

• 2-Channel Speaker Level Inputs
• 2-Channel RCA Outputs
• Handles up to 40V (400 watts RMS)
• Provides up to 9.5 Volts of output
• Auto turn-on via DC offset or Audio detection 
• Load selection switch (20, 60, or 20K ohms)
• LED Clip indicator

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2
Was $99.99 Details
$39.99

In stock

• 2-Channel Speaker Level Inputs
• 2-Channel RCA Outputs
• Handles up to 40V (400 watts RMS)
• Provides up to 9.5 Volts of output
• Auto turn-on via DC offset or Audio detection 
• Load selection switch (20, 60, or 20K ohms)
• LED Clip indicator

XLOC22X small

Item added to your cart.

Price: $39.99

Essential add-ons
NVX XLOCXLC

Remote level controller for NVX X-Series Active Line Output Converters

$19.99

$9.99

Add to cart

NVX XLOC24X

2 inputs / 4 outputs High Voltage Active Line Output Converter with Impedance Matching

XLOC24X big
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2 inputs / 4 outputs High Voltage Active Line Output Converter with Impedance Matching

• 2-Channel Speaker Level Inputs
• 4-Channel RCA Outputs
• Handles up to 40V (400 watts RMS)
• Provides up to 9.5 Volts of output
• Auto turn-on via DC offset or Audio detection 
• Load selection switch (20, 60, or 20K ohms)
• LED Clip indicator

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Universal Fitment Icon Universal-fit, works with nearly all vehicles.

2
Was $51.24 Details
$44.99

In stock

• 2-Channel Speaker Level Inputs
• 4-Channel RCA Outputs
• Handles up to 40V (400 watts RMS)
• Provides up to 9.5 Volts of output
• Auto turn-on via DC offset or Audio detection 
• Load selection switch (20, 60, or 20K ohms)
• LED Clip indicator

XLOC24X small

Item added to your cart.

Price: $44.99

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Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7
Essential add-ons
NVX XLOCXLC

Remote level controller for NVX X-Series Active Line Output Converters

$19.99

$9.99

Add to cart

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FAQ Frequently asked questions in Equalizers & Sound Processors


An amplifier equalizer, commonly known as an EQ, is a device that allows you to adjust the audio frequencies in your car audio system. It enhances the overall sound quality by giving you precise control over the bass, midrange, and treble frequencies. By using an EQ, you can customize the sound to your preferences and compensate for any acoustic deficiencies in your car's interior. Whether you prefer deep bass, crisp highs, or a balanced sound, an amplifier equalizer lets you fine-tune the audio output to suit your taste. It optimizes your listening experience and can significantly improve the clarity, detail, and depth of your music.
Most amplifier equalizers are designed to be compatible with a wide range of car audio systems. They can be used with factory head units, aftermarket stereos, and various amplifier configurations. Some EQs have preamp outputs, which make them compatible with amplifiers, while others can be directly connected to your car's speaker wires. However, it's essential to check the specifications and compatibility of the EQ with your specific car audio system. Some high-end equalizers may require additional connections or components, such as line drivers or crossover networks, to function optimally. To ensure a seamless integration and the best performance, consult the user manual or reach out to Sonic Electronix's customer support for expert advice.
Digital sound processors (DSPs) are advanced audio devices that offer more sophisticated signal processing capabilities compared to traditional equalizers. While both EQs and DSPs allow you to adjust the audio frequencies, DSPs provide additional features like time alignment, crossover settings, and parametric equalization. Time alignment enables you to delay certain speakers to ensure the sound reaches your ears simultaneously, enhancing the soundstage and imaging. Crossover settings allow you to set different frequency ranges for various speakers, preventing audio overlap and distortion. Parametric equalization in DSPs provides greater control over specific frequency bands, allowing you to make more precise adjustments. If you desire a more comprehensive audio tuning experience with enhanced control over your car audio system, a digital sound processor may be the ideal choice.
The installation process for amplifier equalizers and sound processors can vary based on the specific model and your car's audio system. Most EQs and DSPs come with detailed installation instructions that guide you through the process. Generally, you'll need to connect the equalizer or processor to your car stereo or amplifier using RCA cables or speaker wire connections. Some advanced DSPs may require additional connections to your car's battery and other components. If you are unsure or uncomfortable with the installation process, it's best to seek professional assistance from a car audio specialist or technician. Improper installation can lead to performance issues or damage to your car audio components. Sonic Electronix's trained staff can also provide guidance on the installation process and help you choose an EQ or DSP that suits your specific setup.
While an amplifier equalizer can help fine-tune your car audio system's sound, it is not specifically designed to eliminate noise or distortion caused by faulty components or electrical issues. Noise and distortion may result from various factors such as poor grounding, interference, or damaged speakers. If you're experiencing audio problems in your car audio system, it's crucial to identify the root cause. Start by checking all connections, ensuring they are secure and free of corrosion. If you suspect electrical interference, consider adding noise filters or isolators. Damaged speakers or amplifiers may require professional diagnostics and repairs. An amplifier equalizer can be a valuable tool to optimize your sound quality, but it's essential to address any underlying issues to achieve the best audio performance. If you're unsure about the cause of the noise or distortion, consult Sonic Electronix's customer support for troubleshooting advice and recommendations.

All About

Equalizers & Sound Processors
Information about Digital Sound Processors:

Most original factory stereos use preset equalization curves that are designed to get the most out of your car's factory speakers. When you upgrade to aftermarket speakers, your OEM stereo equalizer preset curves do not adjust, resulting in under performance from your aftermarket speakers. Processors reshape the output of your factory stereo preset equalization curves to ensure you get optimal performance out of your aftermarket amplifiers and speakers.

A parametric sound equalizer helps you tune your system to the perfect balance. These audio equalizers will also help eliminate infrasonic distortions for a crisper and clearer audio output. Adding a sound equalizer to your car will optimize your system's performance.

Electronic crossovers divide your music into high, low and midrange frequency ranges. Some of the units we carry are combinations of both stereo crossovers and stereo equalizers. Call us today if you need help choosing the right combo for your setup and budget.

Bass reconstructors, or bass enhancers, improve low frequency reproduction in a car audio system with at least one subwoofer. These bass expander products will help your subs produce accurate bass thumps.

If you're searching for top-notch Amp Equalizers & Sound Processors that will take your car audio experience to the next level, you've come to the right place. Our extensive collection features only the most reputable brands and models, ensuring that you can find the perfect Amp Equalizer or Sound Processor to enhance the audio performance in your vehicle.

Amp Equalizers & Sound Processors play a crucial role in optimizing your car audio system and delivering an exceptional listening experience. An Amp Equalizer allows you to fine-tune the frequency response of your audio, giving you precise control over bass, midrange, and treble levels. By adjusting these frequencies, you can tailor the sound to your preferences and achieve a well-balanced and immersive listening experience.

On the other hand, Sound Processors are designed to enhance and clean up your audio signal. They can correct audio imperfections and distortions that may occur during the recording or transmission process, resulting in crystal-clear and detailed sound reproduction. Sound Processors can also be used to eliminate background noise, reduce static, and enhance the overall clarity of your audio.

Aside from their sound-enhancing capabilities, Amp Equalizers & Sound Processors can also help optimize the performance of your car's audio system. They ensure that the power from your amplifier is distributed efficiently to your speakers, minimizing the risk of distortion and damage to your speakers. With Amp Equalizers & Sound Processors, you can achieve optimal audio quality and safeguard the longevity of your audio components.

At Sonic Electronix, we are dedicated to helping you find the best Amp Equalizers & Sound Processors for your specific car audio needs. Our team of audio experts is available to provide personalized assistance throughout your shopping journey. If you have any questions or need guidance in selecting the perfect Amp Equalizer or Sound Processor, don't hesitate to contact us at 1-502-200-8010. Our knowledgeable staff is eager to provide the information you need and assist you in making an informed decision that will elevate your car audio experience.

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