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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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Axxess AXLOC-55SP

2-Channel Line Output Converter with Short Protection

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2-Channel Line Output Converter with Short Protection

• Universal 2-Channel line output converter
• Features short circuit protection
• 6:1 step down with variable output
• Corrects crossover distortion
• Detachable input plug and gold plated RCAs

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FREE 1-day shipping to OH. Get it Wed, Nov. 19
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Universal Fitment Icon Universal-fit, works with nearly all vehicles.

$12.28

In stock

• Universal 2-Channel line output converter
• Features short circuit protection
• 6:1 step down with variable output
• Corrects crossover distortion
• Detachable input plug and gold plated RCAs

Axxess AXSUB-GM1 Wiring Interface

Install an Add-A-Sub Interface in select 2010-2025 vehicles from Chevrolet, GMC, Cadillac

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Install an Add-A-Sub Interface in select 2010-2025 vehicles from Chevrolet, GMC, Cadillac

• Add-a-sub interface for select 2010-2025 vehicles from Chevrolet, GMC, Cadillac
• 2 Channel non-fading 5V RMS output
• Designed for amplified and non-amplified vehicles
• Install done at radio location

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FREE shipping to OH. Delivers Nov. 26 - Nov. 28
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$196.99

In stock.

• Add-a-sub interface for select 2010-2025 vehicles from Chevrolet, GMC, Cadillac
• 2 Channel non-fading 5V RMS output
• Designed for amplified and non-amplified vehicles
• Install done at radio location

Axxess AXDSPX-MI1 Digital signal processor and T-harness

Allows you to add a DSP and aftermarket amplifier to the factory system in select 1992-2012 vehicles from Mitsubishi

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Allows you to add a DSP and aftermarket amplifier to the factory system in select 1992-2012 vehicles from Mitsubishi

• 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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FREE shipping to OH. Delivers Nov. 26 - Nov. 28
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Was $529.00 Details
$329.99

In stock.

• 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

Axxess AXLOC4M-80

80W Peak 4-channel Adjustable Line Output Converter with Signal Sense

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80W Peak 4-channel Adjustable Line Output Converter with Signal Sense

• Universal 4-channel line-out converter
• 80 watts peak input per channel, with 12 volts signal sense
• Adjustable gain for each channel
• Input circuit corrects crossover distortion found on other brands

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Fast 2-day shipping to OH. Get it Thu, Nov. 20

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

$44.99

In stock

• Universal 4-channel line-out converter
• 80 watts peak input per channel, with 12 volts signal sense
• Adjustable gain for each channel
• Input circuit corrects crossover distortion found on other brands

Axxess AXLOC-RGC

2-Channel Adjustable Line Output Converter with Remote Gain Control

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2-Channel Adjustable Line Output Converter with Remote Gain Control

• 2-channel input
• Molded channels for zip ties will not slip
• 12-volt signal sense turn-on
• Universal application

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FREE 2-day shipping to OH. Get it Thu, Nov. 20

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

Was $63.99 Details
$56.99

In stock

Only 1 Left!

• 2-channel input
• Molded channels for zip ties will not slip
• 12-volt signal sense turn-on
• Universal application

Axxess AXLOC-30F

2-Channel 30W RCA Line-Output Converter

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2-Channel 30W RCA Line-Output Converter

• Fixed level
• 2-channel input
• 30-watts maximum input

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Fast 2-day shipping to OH. Get it Thu, Nov. 20

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

Was $17.00 Details
$11.99

In stock

• Fixed level
• 2-channel input
• 30-watts maximum input

Axxess AXDSPL-CH8 Digital Signal Processor and T-Harness

Allows you to add a DSP and aftermarket amplifier to the factory system in select 2021-2022 vehicles from Ram, Dodge, Chrysler

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Allows you to add a DSP and aftermarket amplifier to the factory system in select 2021-2022 vehicles from Ram, Dodge, Chrysler

• DSP-L Package With T-Harness fits select 2021-2022 vehicles from Ram, Dodge, Chrysler
• Designed for amplified and non-amplified model
• 15-Band Equalizer
• Selectable crossover slopes
• Android and Apple Compatible
• Micro "B" USB updatable

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FREE shipping to OH. Delivers Nov. 26 - Nov. 28
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Was $419.99 Details
$255.99

In stock.

• DSP-L Package With T-Harness fits select 2021-2022 vehicles from Ram, Dodge, Chrysler
• Designed for amplified and non-amplified model
• 15-Band Equalizer
• Selectable crossover slopes
• Android and Apple Compatible
• Micro "B" USB updatable

Axxess AXLOC4-80A

4-Channel Line Output Controller

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4-Channel Line Output Controller

• Plug and Play Design (No cutting or splicing)
• Peak Input: 80 watts
• Designed to provide 4 channels of low-level audio

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Fast 2-day shipping to OH. Get it Thu, Nov. 20

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

$39.99

In stock

Only 1 Left!

• Plug and Play Design (No cutting or splicing)
• Peak Input: 80 watts
• Designed to provide 4 channels of low-level audio

Axxess AXDSPX-BMWM25 Digital signal processor and T-harness

Allows you to add an aftermarket amplifier to the factory system in select 2010-2025 vehicles from BMW With MOST25 Amplifier

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Allows you to add an aftermarket amplifier to the factory system in select 2010-2025 vehicles from BMW With MOST25 Amplifier

• Plug and Play T-harness for faster installation
• 31-band graphic EQ or 5 Band Parametric EQ
• Designed for MOST® amplified sound systems
• Compatible with both Android and Apple devices
• Settings adjusted via Bluetooth® in a smart device
• Selectable high pass, low pass, or bandpass filters

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FREE 1-day shipping to OH. Get it Wed, Nov. 19
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Was $629.99 Details
$499.99

In stock

Only 1 Left!

• Plug and Play T-harness for faster installation
• 31-band graphic EQ or 5 Band Parametric EQ
• Designed for MOST® amplified sound systems
• Compatible with both Android and Apple devices
• Settings adjusted via Bluetooth® in a smart device
• Selectable high pass, low pass, or bandpass filters

Axxess AXSUB-GM3

Add-on subwoofer interface for select GM vehicles 19-23

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Add-on subwoofer interface for select GM vehicles 19-23

• Plug and play T-Harness allows for faster installation
• AXSUB-GM3 Interface and Bass Knob for subwoofer level control
• Micro USB updateable

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FREE 1-day shipping to OH. Get it Wed, Nov. 19
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VIP Product Get $20.60 in rewards to spend later

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Was $228.99 Details
$205.99

In stock

Only 3 Left!

• Plug and play T-Harness allows for faster installation
• AXSUB-GM3 Interface and Bass Knob for subwoofer level control
• Micro USB updateable

Axxess AXDSPL-MI1 Digital signal processor and T-harness

Allows you to add DSP and an aftermarket amplifier to the factory system in select 1992-2012 vehicles from Mitsubishi

AXDSPL-MI1 big
Go to item page Right Arrow Icon of Right Arrow

Allows you to add DSP and an aftermarket amplifier to the factory system in select 1992-2012 vehicles from Mitsubishi

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

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FREE shipping to OH. Delivers Nov. 26 - Nov. 28
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VIP Product Get $30.00 in rewards to spend later

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found car based on your search Make sure it fits. Select a vehicle
Was $431.00 Details
$299.99

In stock.

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

Axxess AXDSPL-MI2

Digital Signal Processor Interface with Pre-Wired Harness for Non-Amplified select 2007-2020 vehicles from Mitsubishi

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Digital Signal Processor Interface with Pre-Wired Harness for Non-Amplified select 2007-2020 vehicles from Mitsubishi

• DSP interface with pre-wired harness for select 2007-2020 vehicles from Mitsubishi
• Designed non-amplified systems
• Can be used with factory and aftermarket radios
• Package includes AXDSP-X interface, vehicle-specific T-harness, bass knob
• Must be installed at the factory stereo location
• Features updatable Micro "B" USB function

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FREE shipping to OH. Delivers Nov. 29 - Dec. 6
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$431.00

Available

Ships in 10-14 days

• DSP interface with pre-wired harness for select 2007-2020 vehicles from Mitsubishi
• Designed non-amplified systems
• Can be used with factory and aftermarket radios
• Package includes AXDSP-X interface, vehicle-specific T-harness, bass knob
• Must be installed at the factory stereo location
• Features updatable Micro "B" USB function

Axxess AXDSPX-GM33

Install a Digital Sound Processor with T-Harness in select 2021-2024 vehicles from Chevrolet, GMC, Buick

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Install a Digital Sound Processor with T-Harness in select 2021-2024 vehicles from Chevrolet, GMC, Buick

• DSP interface with T-harness
• Retains factory features like Sync and OnStar
• Designed for non amplified models
• 31-band graphic EQ
• Works with wide range of vehicle applications

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FREE shipping to OH. Delivers Nov. 26 - Nov. 28
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VIP Product Get $53.70 in rewards to spend later

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found car based on your search Make sure it fits. Select a vehicle
$536.99

In stock.

• DSP interface with T-harness
• Retains factory features like Sync and OnStar
• Designed for non amplified models
• 31-band graphic EQ
• Works with wide range of vehicle applications

Axxess AXSUB-GM6

Add-on subwoofer interface for select GM vehicles 22-24

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Add-on subwoofer interface for select GM vehicles 22-24

• Plug and play T-Harness allows for faster installation
• AXSUB-GM6 Interface and Bass Knob for subwoofer level control
• Micro USB updateable

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FREE shipping to OH. Delivers Nov. 26 - Nov. 28
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VIP Product Get $17.70 in rewards to spend later

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found car based on your search Make sure it fits. Select a vehicle
Was $196.99 Details
$176.99

In stock.

• Plug and play T-Harness allows for faster installation
• AXSUB-GM6 Interface and Bass Knob for subwoofer level control
• Micro USB updateable

Axxess AXSUB-GM2

Add-on subwoofer interface for select GM vehicles 16-19

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Add-on subwoofer interface for select GM vehicles 16-19

• Plug and play T-Harness allows for faster installation
• AXSUB-GM2 Interface and Bass Knob for subwoofer level control
• Micro USB updateable

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FREE shipping to OH. Delivers Nov. 26 - Nov. 28
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VIP Product Get $17.70 in rewards to spend later

empty

found car based on your search Make sure it fits. Select a vehicle
Was $196.99 Details
$176.99

In stock.

• Plug and play T-Harness allows for faster installation
• AXSUB-GM2 Interface and Bass Knob for subwoofer level control
• Micro USB updateable

Axxess AXSUB-GM4

Add-on subwoofer interface for select GM vehicles 19-23

AXSUB-GM4 big
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Add-on subwoofer interface for select GM vehicles 19-23

• Plug and play T-Harness allows for faster installation
• AXSUB-GM3 Interface and Bass Knob for subwoofer level control
• Micro USB updateable

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FREE shipping to OH. Delivers Nov. 26 - Nov. 28
VIP Star Icon

VIP Product Get $17.70 in rewards to spend later

empty

found car based on your search Make sure it fits. Select a vehicle
Was $196.99 Details
$176.99

In stock.

• Plug and play T-Harness allows for faster installation
• AXSUB-GM3 Interface and Bass Knob for subwoofer level control
• Micro USB updateable

Axxess AXSUB-FD2

Add-on subwoofer interface for select Ford vehicles 11-23

AXSUB-FD2 big
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Add-on subwoofer interface for select Ford vehicles 11-23

• Plug and play T-Harness allows for faster installation
• AXSUB-FD2 Interface and Bass Knob for subwoofer level control
• Micro USB updateable

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FREE 1-day shipping to OH. Get it Wed, Nov. 19
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VIP Product Get $20.60 in rewards to spend later

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found car based on your search Make sure it fits. Select a vehicle
Was $228.99 Details
$205.99

In stock

• Plug and play T-Harness allows for faster installation
• AXSUB-FD2 Interface and Bass Knob for subwoofer level control
• Micro USB updateable

Axxess AX-ALOC705

Universal Adjustable Line Output Converter

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Universal Adjustable Line Output Converter

• 2 channel input
• Molded channels for zip ties will not slip
• Onboard gain control knob for ease of adjusting

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Fast 3-day shipping to OH. Delivers Dec. 1 - Dec. 8

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

$14.99

Available

Ships in 10-14 days

• 2 channel input
• Molded channels for zip ties will not slip
• Onboard gain control knob for ease of adjusting

Axxess AX-ALOC705R

Universal Adjustable Line Output Converter w/ Remote Gain Control

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Universal Adjustable Line Output Converter w/ Remote Gain Control

• 2 channel input
• Molded channels for zip ties will not slip
• Signal sensing remote turn-on wire
• Separate remote gain control for easy adjustment

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FREE 2-day shipping to OH. Get it Thu, Nov. 20

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

Was $63.99 Details
$56.99

In stock

Only 1 Left!

• 2 channel input
• Molded channels for zip ties will not slip
• Signal sensing remote turn-on wire
• Separate remote gain control for easy adjustment

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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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