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  1. Home
  2. Car Audio & Electronics
  3. Car Stereos
  4. Factory Stereo Upgrades
  5. Connect a New Amplifier to Factory Stereo

Connect a New Amplifier to Factory Stereo for your 2025 Model 3 close

These are vehicle-specific plug-and-play adapters for your OEM factory radio that provide pre-amp outputs that make installing an aftermarket amplifier much easier. These solutions eliminate the need to cut and splice into the factory wiring. Learn why you need an LOC (line output converter) for your factory stereo and how to install one.

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2025 Model 3
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Alpine HRN-TSLA-M3B3

Installation Harness for PSS-TSLA-M3B Audio Upgrade in select 2017-2025 Model Y and Model 3 with Base Audio System

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Alpine HRN-TSLA-M3B3

Installation Harness for PSS-TSLA-M3B Audio Upgrade in select 2017-2025 Model Y and Model 3 with Base Audio System

• Tesla Model 3 audio installation harness
• Compatible with select 2017-2025 Model Y and Model 3
• For vehicles with Base audio system
• For use with Alpine PSS-TSLA-M3B
• Plug and play to factory connectors

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found car based on your search
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List price $350.00
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-23% $270.00

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• Tesla Model 3 audio installation harness
• Compatible with select 2017-2025 Model Y and Model 3
• For vehicles with Base audio system
• For use with Alpine PSS-TSLA-M3B
• Plug and play to factory connectors

Limited time!

Alpine HRN-TSLA-M3B1

Installation Harness for PSS-TSLA-M3B Audio Upgrade in select 2017-2025 Model Y and Model 3 with Base Audio System

HRN-TSLA-M3B1 big
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Alpine HRN-TSLA-M3B1

Installation Harness for PSS-TSLA-M3B Audio Upgrade in select 2017-2025 Model Y and Model 3 with Base Audio System

• Tesla Model 3 audio installation harness
• Compatible with select 2017-2025 Model Y and Model 3
• For vehicles with Base audio system
• For use with Alpine PSS-TSLA-M3B
• Plug and play to factory connectors

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $27.00 in rewards to spend later

found car based on your search
Fits your Model 3
List price $350.00
Save $80.00
-23% $270.00

In stock

Only 2 Left!

Add to Cart

• Tesla Model 3 audio installation harness
• Compatible with select 2017-2025 Model Y and Model 3
• For vehicles with Base audio system
• For use with Alpine PSS-TSLA-M3B
• Plug and play to factory connectors

NVX - Worth the Envy - Direct to Consumer Car Audio
Limited time!

Alpine HRN-TSLA-M3B2

Installation Harness for PSS-TSLA-M3B Audio Upgrade in select 2017-2025 Model Y and Model 3 with Base Audio System

HRN-TSLA-M3B2 big
Go to item page Right Arrow Icon of Right Arrow

Alpine HRN-TSLA-M3B2

Installation Harness for PSS-TSLA-M3B Audio Upgrade in select 2017-2025 Model Y and Model 3 with Base Audio System

• Tesla Model 3 audio installation harness
• Compatible with select 2017-2025 Model Y and Model 3
• For vehicles with Base audio system
• For use with Alpine PSS-TSLA-M3B
• Plug and play to factory connectors

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $27.00 in rewards to spend later

found car based on your search
Fits your Model 3
List price $350.00
Save $80.00
-23% $270.00

In stock

Only 2 Left!

Add to Cart

• Tesla Model 3 audio installation harness
• Compatible with select 2017-2025 Model Y and Model 3
• For vehicles with Base audio system
• For use with Alpine PSS-TSLA-M3B
• Plug and play to factory connectors

iDataLink Maestro ADS-MAR2 Interface Module

Universal Amplifier Replacement Interface Module for iDataLink Maestro Compatible Systems

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iDataLink Maestro ADS-MAR2 Interface Module

Universal Amplifier Replacement Interface Module for iDataLink Maestro Compatible Systems

• Universal amplifier replacement interface module
• Works with amplified, non-amplified, and Maestro-compatible amplifiers
• Retains vehicle's factory functions
• Features tone re-mapping

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Universal Icon
Universal – fits most vehicles.
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List price $439.99
-16% $369.99

Available

Ships in 10-14 days

Add to Cart

• Universal amplifier replacement interface module
• Works with amplified, non-amplified, and Maestro-compatible amplifiers
• Retains vehicle's factory functions
• Features tone re-mapping

NVX - Worth the Envy - Direct to Consumer Car Audio
 
    Clear all

    All About Connect a New Amplifier to Factory Stereo

    Harnesses and adapters that make it possible to integrate and add a new aftermarket car amplifier to your factory radio. This will improve your car's original equipment (OEM) stereo system tremendously.
    Plug and Play Car Amps Frequently Asked Questions (FAQ)
    A plug-and-play car amp, also known as a ""powered subwoofer,"" is an all-in-one audio solution designed for easy installation and convenience. Unlike traditional car amplifiers that require separate wiring and adjustments, plug-and-play amps come pre-installed in a compact enclosure with a built-in amplifier and subwoofer. The setup is straightforward: you connect the amp to the car's audio system using standard RCA cables and wire it to the battery for power. Once connected, the plug-and-play amp enhances the audio experience by boosting bass frequencies and delivering powerful, low-end sound. Its compact size allows it to fit in various locations within the vehicle, making it ideal for those with limited space or who prefer a hassle-free installation process.
    Yes, one of the main advantages of a plug-and-play car amp is its ease of installation, making it suitable for DIY enthusiasts. With basic knowledge of car audio systems and some essential tools, most car owners can successfully install a plug-and-play amp without professional assistance. The amp typically comes with detailed installation instructions, and many manufacturers provide online resources and videos for additional guidance. However, if you are uncertain about the installation process or have concerns about your vehicle's electrical system, it's always a good idea to seek professional installation. A professional installer can ensure a seamless integration of the amp into your car audio system, optimize its performance, and address any potential issues to ensure a satisfying audio experience.
    Yes, most plug-and-play car amps are compatible with factory head units and aftermarket stereos alike. They are designed to work with a wide range of audio systems, making them versatile and accessible to car owners looking to upgrade their sound quality without changing their head unit. Plug-and-play amps feature RCA inputs that can be connected to the head unit's preamp outputs or speaker-level inputs, allowing them to receive audio signals and enhance the bass response. However, it's essential to check the specific compatibility of the plug-and-play amp with your car's make and model. Some manufacturers offer amp wiring kits with adapters that ensure a seamless connection to various head units, simplifying the installation process further.
    Yes, plug-and-play car amps are designed for portability and can be easily removed and transferred to another vehicle. Their compact and self-contained design allows for simple disconnection from the current car's audio system, making them a convenient option for car owners who frequently switch vehicles or lease their cars. To transfer the amp, you'll need to disconnect the RCA cables and power wires from the current vehicle and carefully remove the amp from its mounting location. Once removed, you can install the amp in the new vehicle following the same installation process. However, before transferring the amp, ensure that it is compatible with the audio system of the new vehicle and that the power requirements are suitable for the vehicle's electrical capacity.
    Plug-and-play car amps offer several benefits that make them an attractive choice for car audio enthusiasts. First and foremost, they provide a simplified installation process, eliminating the need for complex wiring and adjustments typically associated with traditional amplifiers. This ease of installation saves time and effort, making it an ideal solution for DIY installations. Additionally, plug-and-play amps are compact and take up minimal space in the vehicle, making them suitable for small cars or tight installations. They also come pre-tuned and optimized for sound quality, ensuring that you get a powerful and clear bass response without the need for fine-tuning. Moreover, their portability allows for easy removal and transfer to other vehicles, providing flexibility and convenience. Whether you're a car audio novice or a seasoned enthusiast, a plug-and-play car amp can elevate your audio experience with minimal hassle and maximum impact.

    Looking for hassle-free audio upgrades for your car? Explore our top-quality selection of plug and play car amps right here! Sonic Electronix brings you the most reliable and convenient plug and play solutions to elevate your car audio experience. Don't miss out on the opportunity to take your sound system to the next level with ease.

    Plug and Play Car Amps - Effortless Audio Upgrades

    Plug and play car amps are a game-changer for car enthusiasts who want to enhance their audio system without the complexities of traditional installations. These amps come pre-configured and ready to use, making the upgrade process a breeze. With no need for extensive wiring or technical expertise, anyone can enjoy a significant boost in audio performance.

    One of the key advantages of plug and play car amps is their versatility. They are designed to seamlessly integrate with your existing audio system, whether you have a factory or aftermarket head unit. This ensures compatibility and a smooth installation process.

    Additionally, plug and play car amps are highly portable. You can easily transfer them between vehicles or remove them when needed, making them an ideal choice for those who love to switch up their ride or take their audio system to different events.

    Expert Assistance - Finding Your Perfect Plug and Play Car Amp

    At Sonic Electronix, we understand that navigating the world of car audio can be overwhelming. That's why our experienced team is here to help you every step of the way. If you have questions about compatibility, performance, or any other aspect of plug and play car amps, don't hesitate to reach out to us at 1-502-200-8010. Our friendly staff is ready to assist you and ensure you make the right choice for your audio needs.

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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.

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