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Factory Stereo Upgrades for your 2004 LS

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Cerwin-Vega CVDSP66LCD

6-Channel Digital Signal Processor with LCD Display and Bluetooth

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6-Channel Digital Signal Processor with LCD Display and Bluetooth

• 6-Channel Digital Signal Processor with LCD Display
• 15 band parametric equalizer
• Fully adjustable crossovers
• Speaker delay timing alignment
• Includes external Bluetooth dongle for music streaming

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Universal Icon Universal – fits most vehicles.

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$279.99

In stock

• 6-Channel Digital Signal Processor with LCD Display
• 15 band parametric equalizer
• Fully adjustable crossovers
• Speaker delay timing alignment
• Includes external Bluetooth dongle for music streaming

DS18 DSP2.6DBT

6-Channel Digital Sound Processor with Bluetooth and LCD Screen

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6-Channel Digital Sound Processor with Bluetooth and LCD Screen

• 2-Channel input and 6-Channel out digital sound processor
• DSP with LCD Screen feature
• Bluetooth connectivity via DS18 DSP
• IOS and Android Compatible

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$203.95

Available

Ships in 10-14 days

Like New from: $173.36

• 2-Channel input and 6-Channel out digital sound processor
• DSP with LCD Screen feature
• Bluetooth connectivity via DS18 DSP
• IOS and Android Compatible

DS18 DSP8.8BT

8-Channel Digital Signal Processor with Bluetooth

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8-Channel Digital Signal Processor with Bluetooth

• 31-band parametric equalizer
• 8-channel RCA outputs
• Variable high-pass and low-pass filters
• Wireless control with DSP8.8BT app for Android and iOS devices

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List price $475.99
-17% $395.95

In stock.

• 31-band parametric equalizer
• 8-channel RCA outputs
• Variable high-pass and low-pass filters
• Wireless control with DSP8.8BT app for Android and iOS devices

DS18 DBPM100.MX

2-Channel Digital Bass Restoration Processor with Mexico Design

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2-Channel Digital Bass Restoration Processor with Mexico Design

• 2-Channel digital bass processor with Mexican design
• Subsonic Filter / Output Voltage / Ground Iso
• Bass / Power / Clip LED indicator
• Remote Level Control w/ Clip LED

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List price $187.99
-17% $155.95

In stock.

• 2-Channel digital bass processor with Mexican design
• Subsonic Filter / Output Voltage / Ground Iso
• Bass / Power / Clip LED indicator
• Remote Level Control w/ Clip LED

DS18 i48DSP

4-Channel Input and 8-Channel Output Digital Sound Processor with Bluetooth and App Control

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4-Channel Input and 8-Channel Output Digital Sound Processor with Bluetooth and App Control

• 4-Channel Input and 8-Channel Output Digital Sound Processor
• 4 RCA inputs and 8 fully configurable RCA outputs
• Bluetooth 5.1 iOS/Android app control
• 31-band parametric EQ per channel
• Signal-to-noise ratio: 101dB
• Total harmonic distortion (THD): 0.04%

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List price $299.99
-17% $249.95

In stock.

• 4-Channel Input and 8-Channel Output Digital Sound Processor
• 4 RCA inputs and 8 fully configurable RCA outputs
• Bluetooth 5.1 iOS/Android app control
• 31-band parametric EQ per channel
• Signal-to-noise ratio: 101dB
• Total harmonic distortion (THD): 0.04%

NVX XDSP66BT (Open Box, Good)

6-Channel X-Series 15 Band Parametric EQ Digital Signal Processor (DSP) with 2.75" LCD Display and Includes Bluetooth USB adapter for Music Streaming

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6-Channel X-Series 15 Band Parametric EQ Digital Signal Processor (DSP) with 2.75" LCD Display and Includes Bluetooth USB adapter for Music Streaming

• 15 Band Parametric EQ
• 6-Channel RCA Outputs
• Provides up to 6.5 Volts of output
• Fully adjustable High and Low-pass filters
• Time alignment in 0.02 ms increments

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List price $349.99
-57% $149.99

In stock

• 15 Band Parametric EQ
• 6-Channel RCA Outputs
• Provides up to 6.5 Volts of output
• Fully adjustable High and Low-pass filters
• Time alignment in 0.02 ms increments

Diamond Audio BTDSP66LCD

6-Channel Digital Signal Processor with LCD Display

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6-Channel Digital Signal Processor with LCD Display

• 6-Channel Digital Signal Processor with LCD Display
• Includes six inputs and six outputs
• 15-band parametric equalizer
• External Bluetooth dongle included

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$379.99

In stock.

• 6-Channel Digital Signal Processor with LCD Display
• Includes six inputs and six outputs
• 15-band parametric equalizer
• External Bluetooth dongle included

Deaf Bonce DB-6 DSP

6-Channel Digital Sound Processor with Optical Input

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6-Channel Digital Sound Processor with Optical Input

• 6-Channel Digital Sound Processor
• 31-Band parametric equalizer
• Speaker level (high-level) inputs
• Bluetooth for settings, music / SBC, AAC audio
• Optical input for interference-free digital audio

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$269.90

Available

Ships in 10-14 days

• 6-Channel Digital Sound Processor
• 31-Band parametric equalizer
• Speaker level (high-level) inputs
• Bluetooth for settings, music / SBC, AAC audio
• Optical input for interference-free digital audio

DS18 DBPM100

Digital Bass Processor with Bass Remote Knob

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Digital Bass Processor with Bass Remote Knob

• Digital Bass Restoration Processor
• Bass remote level control with LED clip
• Compact size for easy installation
• Surface mount component technology
• 2 channel preamp input / output
• Selectable Subsonic Filter: 35 Hz/50 Hz/80 Hz
• Selectable Output Voltage: 5V/7.5V/10V

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$155.95

In stock.

• Digital Bass Restoration Processor
• Bass remote level control with LED clip
• Compact size for easy installation
• Surface mount component technology
• 2 channel preamp input / output
• Selectable Subsonic Filter: 35 Hz/50 Hz/80 Hz
• Selectable Output Voltage: 5V/7.5V/10V

Axxess AXDSPX-WR

10-Channel Digital Signal Processor with Water-Resistant Case

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10-Channel Digital Signal Processor with Water-Resistant Case

• 31-band graphic EQ or 5-band Parametric EQ
• 6 inputs and 10 individually assignable outputs
• Water-resistant enclosure with zip tie mounts included
• Designed for amplified and non-amplified models

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List price $593.99
-10% $533.99

Available

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• 31-band graphic EQ or 5-band Parametric EQ
• 6 inputs and 10 individually assignable outputs
• Water-resistant enclosure with zip tie mounts included
• Designed for amplified and non-amplified models

Kicker PXAPT (48PXAPT)

DSP Programming Adapter for Kicker PXA Multi-Channel Amplifiers

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DSP Programming Adapter for Kicker PXA Multi-Channel Amplifiers

• DSP Programming Adapter
• Designed for Kicker PXA multi-channel amplifiers (Sold separately)
• Connects to the Kicker Powersports Tune (KPT) software
• Equalizer and HPF/LPF crossover control

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List price $59.99
-17% $49.99

Available

Ships in 10-14 days

• DSP Programming Adapter
• Designed for Kicker PXA multi-channel amplifiers (Sold separately)
• Connects to the Kicker Powersports Tune (KPT) software
• Equalizer and HPF/LPF crossover control

DS18 DBPX200

Digital Bass Processor with Signal Converter and Speaker Emulator

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Digital Bass Processor with Signal Converter and Speaker Emulator

• Digital Bass Restoration Processor
• Bass remote level control with LED clip
• Compact size for easy installation
• Surface mount component technology
• 2 channel preamp input / output
• Selectable Load Select: 20-ohm / 60-ohm / 20000-ohm
• Selectable Subsonic Filter: 35 Hz/50 Hz/80 Hz
• Selectable Output Voltage: 5V/7.5V/10V

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$239.95

In stock.

• Digital Bass Restoration Processor
• Bass remote level control with LED clip
• Compact size for easy installation
• Surface mount component technology
• 2 channel preamp input / output
• Selectable Load Select: 20-ohm / 60-ohm / 20000-ohm
• Selectable Subsonic Filter: 35 Hz/50 Hz/80 Hz
• Selectable Output Voltage: 5V/7.5V/10V

Alpine PXE-C60-60 (Open Box, Great)

OPTIM-6 Series 6-Channel Digital Sound Processor with Automatic Sound Tuning

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OPTIM-6 Series 6-Channel Digital Sound Processor with Automatic Sound Tuning

• 6-Channel digital sound processor with Automatic Sound Tuning
• 31-Band parametric and graphic equalizer
• Includes remote control and mounting hardware
• Sound tuning with AutoEQ 2.0 on Apple iOS or Android
• Instant precision with center image mode
• Features presets for every playlist

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List price $600.00
-21% $471.17

In stock

Only 1 Left!

• 6-Channel digital sound processor with Automatic Sound Tuning
• 31-Band parametric and graphic equalizer
• Includes remote control and mounting hardware
• Sound tuning with AutoEQ 2.0 on Apple iOS or Android
• Instant precision with center image mode
• Features presets for every playlist

Alpine PXE-X121-12EV (Open Box, Good)

12-Channel Sound Processor with Hi-Res Audio for Tesla Vehicles

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12-Channel Sound Processor with Hi-Res Audio for Tesla Vehicles

• 31-Band Parametric or Graphic Equalizers
• 12-channel high-level and 2-channel RCA outputs
• HPF/LPF/Bandpass crossover filters
• Controllable via PC software or Alpine music application
• Hi-Res Audio certified
• Compatible with Tesla vehicles

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List price $1560.00
-38% $974.96

In stock

Only 1 Left!

• 31-Band Parametric or Graphic Equalizers
• 12-channel high-level and 2-channel RCA outputs
• HPF/LPF/Bandpass crossover filters
• Controllable via PC software or Alpine music application
• Hi-Res Audio certified
• Compatible with Tesla vehicles

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    FAQ Frequently asked questions in Factory Stereo Upgrades


    Yes, you can upgrade your car's factory stereo without voiding the warranty, as long as the installation is done correctly and with compatible aftermarket accessories. Many car manufacturers understand that customers may want to personalize their audio systems, and they allow aftermarket upgrades that do not interfere with the vehicle's essential functions. To avoid any warranty issues, it is essential to choose reputable upgrade accessories from trusted brands. Additionally, consider using professional installation services or following the manufacturer's recommended guidelines when installing the upgrade components. By taking these precautions, you can enjoy an improved audio experience without affecting your car's warranty coverage.
    There is a wide range of factory stereo upgrade accessories available to enhance your car's audio system. Common upgrade accessories include aftermarket head units with advanced features like touchscreen displays, Bluetooth connectivity, and smartphone integration through Apple CarPlay and Android Auto. Upgrading speakers with higher-quality aftermarket options can significantly improve sound clarity and bass response. For audiophiles, adding amplifiers can provide more power to the speakers, resulting in a more immersive sound experience. Additionally, sound processors and equalizers can fine-tune audio settings to match your preferences and vehicle's acoustics. Various mounting kits and wiring harnesses are also available to ensure a seamless and secure installation.
    Yes, upgrading your factory stereo with high-quality accessories can significantly improve sound quality. Factory stereos are often designed to meet cost considerations, resulting in average audio performance. Aftermarket accessories, on the other hand, are built with audio excellence in mind, offering better sound clarity, increased power output, and improved bass response. Upgrading speakers and adding amplifiers can enhance audio reproduction and provide a richer, more balanced sound. Additionally, advanced head units with features like equalizers, sound processors, and digital signal processing can fine-tune the audio output to match your preferences and optimize the sound for your vehicle's interior acoustics. Overall, a well-planned factory stereo upgrade can transform your car's audio system into a premium audio experience.
    Factory stereo upgrade accessories are available for a wide range of car models, but compatibility can vary depending on the vehicle's make and year. It is essential to check the specifications and compatibility of each accessory with your car's make and model before making a purchase. Many reputable manufacturers provide compatibility information on their websites or packaging, making it easier to select the right accessories for your car. Additionally, consider consulting with a car audio specialist or using online resources to find accessories that are confirmed to be compatible with your specific vehicle. By ensuring compatibility, you can enjoy a seamless installation and optimal performance from the upgrade accessories.
    The ability to install factory stereo upgrade accessories yourself depends on your experience and comfort level with car audio installations. Some upgrades, such as replacing speakers or installing a new head unit, may be relatively straightforward for individuals with basic automotive DIY skills. However, certain upgrades, like adding amplifiers or integrating advanced sound processors, can be more complex and may require technical expertise. If you are unsure about the installation process or want to ensure a professional and polished result, it is recommended to seek professional installation services. Professional installers have the necessary tools, knowledge, and experience to perform the upgrade correctly and efficiently, avoiding potential issues and ensuring optimal performance from the upgraded accessories.

    All About

    Factory Stereo Upgrades

    At Sonic Electronix we pride ourselves on offering a wide variety of OEM factory stereo integration options. We have a vast selection of adapters, accessories and other key components to improve your factory system – offering the convenience of iPods, smartphones, USB and even SD Cards for MP3 playback. 

    We have the accessories you need to add auxiliary inputs and audio/video outputs, TV monitors, amplifiers, and subwoofers. Most adapters allow connections to a portable media player through the car receiver. Some have steering wheel plug-ins to control playback. 

    For any questions, give us a call at 1-877-289-7664. Our staff will help you maximize the potential of your factory stereo.

    Whether you are looking for Android integration, Apple integration, Bluetooth, HD radio, or an entire OEM replacement, Sonic Electronix offers everything you need to easily add aftermarket components to your vehicle.

    Take some time with Sonic Electronix YouTube for more information on OEM replacement.

    Are you looking to enhance your driving experience with a superior car audio system? Look no further than Sonic Electronix! We offer a wide range of top-quality car factory stereo upgrade accessories that will take your in-car entertainment to the next level. Whether you want to boost the sound quality, add advanced connectivity options, or integrate modern features, we have the perfect accessories to cater to your needs.

    Advantages of Car Factory Stereo Upgrade Accessories

    Upgrading your car factory stereo with high-quality accessories offers numerous advantages that will transform your driving experience. Enjoy crisp and clear sound with premium speakers, amplifiers, and subwoofers that deliver a powerful audio performance. With advanced connectivity options like Bluetooth, USB, and auxiliary inputs, you can effortlessly connect your devices and stream your favorite music on the go.

    Upgrade accessories also offer modern features such as touchscreen displays, navigation systems, and smartphone integration, bringing the latest technology to your vehicle's audio system. Furthermore, upgrading your car factory stereo can increase the resale value of your car and leave a lasting impression on passengers.

    Discover the Best Car Factory Stereo Upgrade Accessories with Sonic Electronix

    At Sonic Electronix, we take pride in offering a wide selection of high-quality car factory stereo upgrade accessories from leading brands in the industry. Our knowledgeable staff is here to assist you in finding the perfect accessories that suit your vehicle's make and model. If you have any questions or need guidance in choosing the right components for your car factory stereo upgrade, don't hesitate to reach out to us at 1-502-200-8010.

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    We love people and we're ready to help you! See what separates us from our competition.

    Take advantage of our VIP rewards like 10% back on your purchases, free 2-day shipping, extended warranties, and free returns! Gain access to all of these rewards without any membership fees.
    Get great discounted (and possibly FREE) installation accessories with most car stereo purchases. This includes dash kits, wiring harnesses and antenna adapters that you will need to properly install your new car stereo.
    We are an Authorized Dealer for all the brands we sell, including the most premium brands in car and marine audio such as Hertz, JL Audio, NVX, Rockford Fosgate, Kicker, Alpine, Kenwood and many more.
    Shop Deals and get up to 30% off premium brands! Shop Now! We are always looking out for the best products and deals to offer our customers. Don’t pay too much by shopping elsewhere!
    We have information on brands, gear, and more for you to explore! Check out our YouTube Channel for helpful how-to videos, product reviews, and Q&As. For a more detailed look, also visit our Learning Center!
    Our trained experts are here to assist you! They are just a phone call or click away to help you get the right gear for you and your vehicle!
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    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

    • You see only parts engineered for your exact vehicle
    • You avoid incompatible radios, speakers, or wiring
    • Installation is smoother, faster, and frustration-free
    • You get the correct accessories the first time

    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.