How to Replace OEM Car Speakers? (Tips for Replacing Stock Speakers)




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If you’re looking to upgrade your car’s audio system, replacing the factory-installed speakers with aftermarket options is a great place to start.

While the process of replacing OEM car speakers may seem daunting, it’s actually a fairly straightforward task that can be completed with the right tools and guidance.

Replacing OEM car speakers can be an easy way to upgrade your car’s audio system. Here are the steps you can follow to replace your car’s speakers:

#1. Collect the necessary tools, such as screwdrivers, wire cutters, wire strippers, and a wrench.

#2. Locate the existing speakers and remove the panels covering them using a screwdriver.

#3. Disconnect the wiring harness and remove the screws holding the speaker in place.

#4. Carefully take out the old speaker and compare its dimensions with the replacement speaker to ensure a proper fit.

#5. Connect the wiring harness to the new speaker and secure it in place with screws.

#6. Test the new speaker by playing music and adjusting the volume.

In this guide, I will walk you through the steps involved in replacing your OEM speakers, from choosing the right replacements to installing them properly.

Understanding OEM Car Speakers

OEM car speakers are the speakers that are pre-installed in your car when you purchase it from the dealer. These speakers are usually designed to meet the car manufacturer’s specifications and standards.

PowerBass OE65C-FD - 6.5" Ford OEM Replacement Component Speakers - Pair

While these speakers are sufficient for most drivers, they may not provide the best sound quality or performance. Nevertheless, they are generally the most convenient option for installation and are reasonably priced.

However, upgrading your car’s speakers with aftermarket options can significantly enhance the sound quality and overall listening experience. By choosing to install aftermarket speakers, you can customize your car’s sound system to your liking and achieve a more personalized listening experience.

Are Aftermarket Speakers Better Than OEM?

OEM speakers are designed specifically for the make and model of your vehicle, ensuring a perfect fit and compatibility with your car’s audio system. They may also be covered by your car’s warranty, making them a reliable and convenient choice.

On the other hand, aftermarket speakers may require some modifications to your vehicle’s wiring or mounting brackets, and they may not be covered by your car’s warranty.

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However, the improved sound quality and customizable options can be worth the extra effort and expense for many audio enthusiasts.

Below are pros and cons of both types of speakers:

Pros of OEM Speakers

  • Come pre-installed with the car
  • Designed to meet car manufacturer’s specifications and standards
  • May be covered under a car warranty
  • Generally more affordable than aftermarket speakers
  • Easy to replace with direct replacements

Cons of OEM Speakers

  • May not offer the best sound quality or performance
  • Limited customization options
  • May not be as durable or long-lasting as aftermarket speakers
  • May not be compatible with aftermarket sound systems

Pros of Aftermarket Speakers

  • Generally offer better sound quality and performance than OEM speakers
  • Wide range of customization options to fit different preferences and needs
  • Can be more durable and longer-lasting than OEM speakers
  • Can be compatible with aftermarket sound systems
  • Can enhance the overall value of your car

Cons of Aftermarket Speakers

  • More expensive than OEM speakers
  • Installation may require additional time and effort.
  • May require additional equipment or accessories for proper installation
  • May not be covered under car warranty

Ultimately, the choice between OEM and aftermarket speakers depends on your budget, sound preferences, and priorities.

While OEM speakers are a more affordable and straightforward option, aftermarket speakers offer superior sound quality and customization options.

Choosing the Right Replacement Speakers

If you’re considering upgrading your car’s sound system, aftermarket speakers can make a big difference in the quality of your listening experience. However, with several types of aftermarket speakers available, it can be challenging to determine which type is right for your needs.

Let’s explore the most common types of aftermarket speakers and their unique features to help you make an informed decision.

#1. Coaxial Speakers

Coaxial speakers are a popular choice as they are easy to install and typically feature a woofer and tweeter in one unit. These speakers are designed to replace the factory-installed speakers in your car’s door panels or rear deck.

Focal PC 165 FE 6-1/2" Expert Flax Evo 2-Way Coaxial Speakers

They are an affordable option that can improve the overall sound quality of your car’s audio system. To learn more, check out my article about coaxial speakers.

#2. Component Speakers

If you’re looking for better sound quality and performance than coaxial speakers, component speakers are worth considering. These speakers feature a separate woofer, tweeter, and crossover, which allows for better sound separation and imaging. However, installation of component speakers can be more complex than coaxial speakers.

Focal PS 165 F3E 6-1/2" Expert Flax Evo 3-Way Component Speakers

Component speakers are often customized to fit specific car models and can offer a higher level of customization in terms of sound quality and tuning. More information you can find in my article about component systems for car audio.

#3. Subwoofers

Subwoofers are designed to deliver powerful and deep bass and are often used in conjunction with coaxial or component speakers. They are typically installed in a separate enclosure in the trunk or rear of the car.

Focal E25KX 10” Subwoofer

If you enjoy listening to music genres that rely heavily on bass, such as hip-hop or EDM, a subwoofer can enhance your listening experience.

Factors to Consider When Choosing Replacement Speakers

When it comes to choosing replacement speakers, there are several important factors to consider to ensure that you get the best possible sound for your car’s audio system.

Here are some key things to keep in mind:

#1. Size and Shape

The first factor to consider is the size and shape of the replacement speakers. You want to make sure that they fit properly into the existing speaker openings in your car.

Both OEM and aftermarket speakers come in various sizes and shapes, so make the correct measurements of existing speakers or consult your car’s manual to determine the correct size and shape.

#2. Power Handling

Another important factor is power handling, which refers to how much power a speaker can handle without distorting the sound. It’s essential to choose speakers that can handle the amount of power that your car’s audio system can deliver.

If you plan to add an external amplifier, make sure to choose speakers that can handle the additional power.

#3. Sensitivity

Sensitivity is another crucial factor to consider, as it refers to how efficiently a speaker can convert power into sound. Speakers with higher sensitivity require less power to produce the same volume as speakers with lower sensitivity.

#4. Frequency Response

Finally, you want to pay attention to frequency response, which refers to the range of frequencies that a speaker can reproduce. To achieve a balanced and accurate sound, it’s important to choose speakers that can reproduce a wide range of frequencies.

Compatibility Issues to Watch Out For

When it comes to replacing your car’s speakers, it’s important to be aware of compatibility issues that may arise. While using direct OEM replacement speakers typically avoids these problems, aftermarket options may require some extra attention to ensure they work seamlessly with your car’s audio system.

#1. One issue to watch out for is mounting depth. Aftermarket speakers may be too deep to fit into the existing speaker openings in your car. To avoid this problem, it’s important to measure the mounting depth and compare it to the available space in your car.

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#2. Another issue to keep in mind is wiring harnesses. Certain cars may require special wiring harnesses to connect the aftermarket speakers to the audio system. Before purchasing replacement speakers, be sure to check for any wiring requirements to avoid any complications.

#3. Lastly, if you plan on adding an external amplifier to your car’s audio system, make sure to choose speakers that are compatible with the amplifier’s power output. This will help you avoid any sound quality issues that may arise from incompatible components.

By taking these factors into consideration and keeping an eye out for any compatibility issues, you can select the right replacement speakers for your car and enjoy superior sound quality and performance.

Removing the Old Speakers

To remove the old speakers from your car, you will need the following tools:

  • Screwdriver
  • Pliers
  • Panel removal tool (optional)
  • Wire cutter/stripper
  • Socket wrench set (optional)
  • Multimeter (optional)

Step-by-Step Instructions for Removing the Old Speakers:

#1. First, it’s important to turn off your car’s audio system and disconnect the negative battery cable to prevent any potential electrical damage. Safety always comes first!

#2. The next step is to remove the door panels or rear deck covers to access the old speakers. You can use a panel removal tool or a screwdriver and pliers to carefully pry off the panels. Take your time and be gentle to avoid any damage to the panels or surrounding areas.

#3. Once you have access to the old speakers, it’s time to disconnect the wiring harness and any mounting screws or bolts that hold the speakers in place. You may need a screwdriver or socket wrench to do this.

#4. With the wiring and mounting screws or bolts removed, you can now gently remove the old speakers from the car. Take care not to damage the speaker or any of the surrounding components.

#5. Finally, if you want to be extra cautious, you can use a multimeter to test the wiring and make sure that there is no electrical current running through the wires before you begin installing your new speakers. This step is optional, but it can give you peace of mind and help ensure that your new speakers are installed safely and properly.

Common Challenges and How to Overcome Them

Removing old speakers from your car can sometimes be a challenging task. Here are some common challenges you may face when trying to remove existing speakers:

#1. Tight or rusted screws

If the screws holding the old speakers in place are tight or rusted, you can use a socket wrench set to loosen them.

#2. Difficult to access speakers

Sometimes, accessing speakers can be tricky due to their location or the design of the car. In such cases, you can use a panel removal tool to gently pry off any covers or panels that may be blocking the speakers.

#3. Damaged wiring harness

In case the wiring harness is damaged or corroded, you can use a wire cutter/stripper to cut the damaged section and splice in a new section of wire.

This will help you ensure that the new speakers are connected properly and working well.

Installing the New Speakers

To install the new speakers, you will need the following tools:

  • New aftermarket speakers
  • Screws or bolts to mount the speakers
  • Pliers
  • Screwdriver
  • Wire cutter/stripper
  • Crimping tool or wire connectors
  • Electrical tape

Step-by-Step Instructions for Installing the New Speakers

If you want to upgrade your car’s sound system, installing new speakers is a great place to start. Here are some step-by-step instructions to help guide you through the process:

#1. First, you’ll want to remove the old speaker brackets or mounting plates from your car. This step may require some tools, so be sure to have a screwdriver or wrench handy.

#2. Next, connect the wiring harness to the new speakers. It’s important to make sure you match the polarity of the wires correctly, so double-check before you start connecting everything.

#3. Once the wiring is taken care of, mount the new speakers to the brackets or mounting plates using screws or bolts. Make sure the speakers are secure and in the correct position.

#4. With the speakers securely in place, it’s time to connect the wiring harness to your car’s audio system. Again, make sure you match the polarity of the wires correctly.

#5. Finally, it’s time to test out your new speakers! Turn on your car’s audio system and make sure everything is working properly. If you hear any strange noises or the sound quality doesn’t seem quite right, double-check your connections and wiring.

Tips for Proper Installation and Wiring

Proper installation and wiring are essential to ensure optimal performance and sound quality from your new speakers. Here are a few things to keep in mind:

#1. Check the polarity

Be sure to match the positive and negative terminals of the speakers and wiring harness to prevent any phase issues or sound distortion.

#2. Secure the speakers

Ensure that the new speakers are securely mounted to the brackets or mounting plates to prevent any rattling or movement while driving.

#3. Use wire connectors

To properly join the wiring harness and speaker wires, use a crimping tool or wire connectors. This will ensure a secure and reliable connection.

#4. Test the sound

Test the new speakers to make sure they are working properly and producing the desired sound quality. You may need to adjust the balance and fade settings on your car stereo to optimize the sound.

#5. Tidy up the wiring

Wrap any exposed wiring with electrical tape to keep it tidy and prevent any interference with other electrical components in the car.

By following these tips, you can be confident that your new speakers will provide you with the best possible sound quality.

Testing and Adjusting the New Speakers

After installing new speakers, it’s essential to test and adjust them to ensure optimal sound quality. Here are some tips to help you achieve the best results:

To test your new speakers, turn on your car’s audio system and play music with a range of frequencies and volume levels. Listen carefully to make sure the sound quality and volume meet your expectations.

Check for any distortion, hissing, or popping noises, and make sure the left and right speakers are balanced and produce a similar level of sound.

To adjust the audio settings, use the balance and fade controls to adjust the sound level from each speaker. This will help you achieve a balanced and accurate sound.

You can also xperiment with different EQ settings to find the optimal sound for your music and preferences, adjusting the levels of bass, treble, and midrange as needed. If you’re using component speakers or subwoofers, adjust the crossover settings to ensure that each speaker is reproducing the right frequencies.

If your car’s audio system has a time alignment feature, use it to adjust the delay between the speakers and your listening position, creating a more immersive and natural sound.

Remember to be patient as you fine-tune the audio to your preferences. Experiment with different settings until you achieve the best possible sound quality and performance from your car’s audio system.


If you’re looking to elevate your driving experience with exceptional sound quality and performance, we recommend replacing your car’s OEM speakers with high-quality aftermarket options. With the right set of speakers, you can immerse yourself in your favorite tunes like never before.

While OEM speakers may seem like a convenient and cost-effective choice, they often fall short in terms of audio quality and performance. That’s why upgrading to aftermarket speakers is a game-changer that can completely transform your listening experience.

When selecting new speakers, it’s important to consider various factors such as size, power handling, sensitivity, and frequency response, as well as any compatibility issues that may arise. With the right installation techniques, adjustments, and tools, you can optimize the sound quality and performance of your new speakers to provide an unparalleled audio experience.


How Do I Replace the OEM Speakers in My Car?

Here are the steps you can follow to replace your car’s speakers:

#1. Firstly, it’s important to determine the size of your OEM speakers. This will ensure you purchase compatible replacements that fit perfectly in your car. You can check your car manual or search online to find out the size and type of speakers you need.

#2. Next, gather the necessary tools such as screwdrivers, pliers, wire cutters, and electrical tape to remove and install the new speakers. Having these tools on hand will make the process much smoother and more efficient.

#3. Carefully remove the screws holding the old speakers in place, and disconnect any wiring connected to the speakers. This is an essential step, and it’s important to handle the old speakers with care to avoid any damage.

#4. Now it’s time to install the new speakers. Connect the wiring of the new speakers to the wiring harness in your car and secure the speakers in place using the screws provided with the new speakers. It’s essential to ensure the speakers are mounted firmly and securely.

#5. Finally, test the new speakers. Turn on your car audio system to ensure the new speakers are working correctly. Adjust the settings to your preferred levels, and enjoy your new sound system!

Can I Replace the OEM Speakers in My Car With Aftermarket Ones?

You can definitely replace the original speakers in your car with aftermarket ones to enhance your listening experience. However, it’s important to choose compatible speakers that fit properly in the designated location. 

Do I Need to Buy Speakers That Are Compatible With My Car’s Sound System?

You do not necessarily need to buy speakers that are compatible with your car’s OEM wiring, but it can be beneficial. While most aftermarket speakers will work with your car’s existing wiring, some may require additional modifications or adapters to properly connect.

If you’re not comfortable making these changes, it’s best to stick with speakers that are designed to work with your car’s wiring.

However, buying speakers that are compatible with your car’s OEM wiring can have several advantages. These speakers are designed to fit seamlessly with your car’s existing audio system, which can improve the overall sound quality and make installation easier.

In addition, buying speakers that are compatible with your car’s OEM wiring can ensure that the speakers are properly powered and don’t overload your car’s electrical system. This can prevent damage to your car’s wiring or other components.

Will Replacing OEM Speakers Void My Car’s Warranty?

Replacing OEM speakers should not automatically void your car’s warranty. However, there are some factors to consider.

If the new speakers are installed improperly and cause damage to the vehicle or its electrical system, the warranty may not cover the repairs. However, if the installation is done correctly and doesn’t result in any issues, the warranty should remain intact.

It’s always a good idea to be cautious when modifying your car and to check your car’s warranty documentation or consult with the manufacturer before making any changes. This will help ensure that you don’t accidentally void the warranty.

Can I Install Just One OEM Speaker or Do I Need to Replace Them All?

You can definitely replace just one speaker if needed. However, if you want to achieve the best possible sound quality and balance, it’s usually recommended to replace all the speakers in the system.

By doing so, you can ensure that each speaker has a consistent frequency response and impedance, which can significantly impact the overall sound quality of the system.

Moreover, if your other speakers are old, they may not match the new speaker’s sensitivity or power handling, which can also affect the sound quality. Therefore, it’s best to consider replacing all the speakers at once to ensure a consistent and balanced sound throughout the system.

If you have any doubts or questions about the replacement process, don’t hesitate to reach out to a professional audio technician. They can provide expert guidance and help you make an informed decision based on your specific needs.

Will Upgrade to OEM Speakers Improve the Sound Quality of My Car’s Audio System?

Replacing low-quality OEM speakers with higher-quality aftermarket speakers can make a significant difference in the sound quality. However, it’s important to keep in mind that simply replacing OEM speakers with the same OEM won’t result in any noticeable improvement.

To get the best results, you should also consider other factors such as the head unit, amplifier, and acoustic environment of your car. We highly recommend consulting with an audio expert who can help you determine the best upgrade options for your specific car audio system.

So, if you want to enjoy crisp, clear, and powerful sound while driving, replacing your OEM speakers with high-quality aftermarket speakers is definitely worth considering. Just make sure to take a comprehensive approach to the upgrade and seek professional advice before making any changes to your car’s audio system.

Should I Replace Factory Speakers With the Same Brand or a Different One?

While choosing the same brand may seem like the simplest solution, it’s worth noting that many OEM speakers have similar standards. In such cases, the only distinguishing factors may be the reputation of the producer and the quality of their products.

If you’re looking to enhance your listening experience and achieve optimal performance, you might consider selecting a different brand renowned for its high-quality speakers. By doing so, you can potentially benefit from advanced technologies and superior materials that the original manufacturer may not offer.

Ultimately, the choice between sticking with the same brand or exploring new options depends on your preferences and goals for your car’s sound system.

What Are Some Common Mistakes to Avoid When Replacing Stock Speakers?

When it comes to replacing OEM car speakers, there are a few common mistakes that can impact the overall sound quality and performance of the new speakers. To avoid these issues, it’s important to keep a few factors in mind.

#1. Firstly, be sure to choose the correct size of speakers that are appropriate for your vehicle. Check your car’s sound system specifications before making a purchase to ensure a proper fit.

#2. Secondly, follow the manufacturer’s installation instructions carefully to avoid damaging the new speakers or the car’s sound system.

#3. Additionally, consider upgrading your amplifier as upgrading your speakers without upgrading the amplifier can lead to distortion and reduced sound quality.

#4. It’s also important to match the speakers with the amplifier properly to achieve optimal sound quality.

#5. Lastly, take into consideration your car’s acoustics, door design, and interior materials when selecting and installing new speakers.

How Much Does It Typically Cost to Replace OEM Car Speakers?

On average, you can expect to pay anywhere between $100 to $300 for a basic set of replacement speakers. However, the cost can increase significantly if you opt for high-end speakers or require professional installation.

How Long Does It Take To Replace OEM Car Speakers?

It can typically take anywhere from 1 to 3 hours, depending on various factors. While it is possible to replace speakers yourself with some basic knowledge and tools, it is always recommended to seek professional help to ensure proper installation and prevent any damage to your vehicle.

PowerBass OE65C-FD - 6.5" Ford OEM Replacement Component Speakers - Pair

Focal ISUB BMW 2 - Factory Subwoofer Upgrade Compatible with Select BMW Models

Focal EC 165 K 6-1/2" K2 Power 2-Way Coaxial Speakers

Focal PC 165 FE 6-1/2" Expert Flax Evo 2-Way Coaxial Speakers

Focal PS 165 F3E 6-1/2" Expert Flax Evo 3-Way Component Speakers

Focal E25KX 10” Subwoofer