How Can I Install Aftermarket Speakers?


An upgraded car audio system can take your driving experience to a whole other level. Although car speaker installation seems like a tedious task, with the right tools and knowledge, you can easily replace your factory speakers with aftermarket car speakers. Here we have a step-by-step guide for installing speakers in car.

Why Modify the Speakers in Your Car?

Built to fit within a budget, stock speakers frequently sacrifice sound quality. Superior sound is achieved by aftermarket automobile speakers by means of better materials and sophisticated engineering. Changing to aftermarket car speakers guarantees improved bass response, cleaner sound, and all-around more pleasurable listening.

Tools and Equipment You Need

Before diving into the installation process, gather the necessary tools and equipment:

  • Screwdrivers (Phillips, flat-blade, and magnetic)
  • Torx drivers and bits
  • Drill with bits
  • Allen wrenches
  • Socket wrench set
  • Wire cutter/stripper tool
  • Soldering iron and solder
  • Crimping tool and connectors
  • Panel removal tool
  • Electrical tape
  • Hobby knife
  • Sound deadening materials

Preparing for Car Speaker Installation

1. Disconnect the Battery

Safety first! Disconnect the battery to avoid any electrical shorts or accidents during the installation. This step is crucial for preventing damage to your car's electrical system and ensuring your safety.

2. Remove the Old Speaker

The factory speakers must be accessed by removing the door panels. Locate and take out all of the obvious screws to start. To gently peel off the door panels without damaging them, use a panel removal tool. Disconnect and remove the old speaker's wiring harness after the panels are off.

3. Prepare the New Speakers

Check the size and type of your new aftermarket car speakers. They should match the size of the factory speakers for a seamless fit. If necessary, use speaker brackets or adapters to ensure proper installation. Sound deadening materials can be added around the speaker mount to enhance sound quality by reducing vibrations and road noise.

Installing Aftermarket Car Speakers

4. Connect the Wiring Harness

Connect the wiring harness from the new speaker to the wiring loom in the automobile. Make that the positive and negative terminals are precisely aligned and the polarity is matched. For a secure connection, you might have to solder or strip the wire ends and utilize crimp connectors.

5. Mount the New Speakers

Put the replacement speaker in the mounting hole and fasten it with screws. To stop any rattling, be sure it's firmly in place. If installing component speakers, locate the crossovers and tweeters and firmly mount them.

6. Reassemble the Door Panels

Try the new speakers by plugging them in and quickly reattaching the battery and turning on some music. If all is well, remove the battery once more and put the door panels back together. Make sure panels are fastened and all screws are tightened.

Tips for a Successful Speaker Installation

Use Sound Deadening Materials

Applying sound deadening materials inside the door panels can significantly improve audio quality. These materials reduce vibrations and prevent road noise from interfering with your music, resulting in a cleaner and richer sound.

Check Speaker Sizes

Always check the size and depth of your new speakers to ensure they fit in the factory mounting holes. Consider the speaker's magnet size, as larger magnets might interfere with the window mechanism inside the door.

Wiring Considerations

For high-power speaker systems, consider upgrading the speaker wiring to handle the increased load. Thin factory wires might not deliver the best performance with powerful aftermarket speakers.

Mercedes-Ambient-Light-LED-3D-Rotary-Tweeter-Speaker-for-W20- &-W206-&-W222

Common Challenges and Solutions

Factory Grilles and Brackets

Some cars have factory grilles and brackets that might not accommodate aftermarket speakers. In such cases, use mounting brackets or adaptors to fit the new speakers securely.

Custom Tweeter Installation

If your car has component speaker systems, installing tweeters can be challenging. Custom mount the tweeters in the door panels or A-pillars for the best sound staging. Use the provided crossover to split the audio signal between the woofer and tweeter.

Dealing with Manual Windows

If your car has manual windows, removing the window crank can be tricky. Use a retaining clip remover or a shop rag to carefully detach the crank without damaging the mechanism.


Installing aftermarket car speakers is a rewarding project that can really improve your car's audio system. By following these steps and tips, you can achieve a professional-quality installation. Remember to always prioritize safety and take your time to ensure everything is done correctly.

At Euro Empire Auto, we offer a range of high-quality aftermarket car parts and accessories, including the Mercedes Ambient Light LED 3D Rotary Tweeter Speaker for W205 & W206 & W222. Enhance your driving experience with premium car parts from our auto parts store, backed by excellent customer service and support.

Carbon Fiber Car Parts work excellent, but it's important to protect them from damage, find out how to ensure their longevity here