Driving with a car speaker with static noise can be distressful and difficult. In such situations, it is always better to stop the car and look into this issue than continue to drive. However, it is also important to understand that if you have noticed such sounds for a long time, it might only sometimes be the speaker which causes it. Therefore, you first need to check the noise source and take a mechanic’s assistance.
If you notice the car speaker’s static noise, please ask a mechanic to help as soon as possible. The problem is probably with your car’s audio system; only an expert can help you resolve this issue. Here are the main reason and quick fixes to resolve the static noise. 
What causes car speaker static noise?
Firstly, you must understand what causes the car speaker to make static noise before you report such an issue. Here are some of the usual reasons that can cause a static noise:
An electrical disturbance
You may hear strange sounds in your car speakers due to electrical disturbances. In other words, any device that transmits electric signals within your car can interfere with the signal of other devices, causing a disturbance. Unfortunately, this disturbance also happens when you buy poor-quality stereo systems at lower rates.
Stereo receiving power even when off
When the engine is off, your stereo receiving power can also be problematic. This power increases the car speaker noises and keeps it going for too long. This power fluctuation can happen if you plug in multiple electric devices, such as a USB cable, a charger, or other gadgets. Most of the time, a second-hand amplifier can be a problem.
Grounding
Please make that your grounding wires are in place and have the necessary thickness. Usually, when the grounding wires are loose, the car speaker’s static noise increases. It is also easy to identify the grounding wires since these are thick, short, and not painted.
Poor quality cables
Your cable quality can also be one of the main reasons for the car speaker’s static noise. The cables connecting your radio and music system must have a minimum quality. With poor quality can increase the static noise. One way to quality-check your cables is by disconnecting them and reconnecting them again.
New amplifier
Sometimes, new amplifiers can also be a reason for static noise from your car speakers. When new amplifiers are improperly fit or are of poor quality, the noise increases. Try cleaning the amplifier and remounting it to eliminate the noise in such situations.
Easy ways to fix the car speaker static noise
Here are some quick and easy ways by which you can fix your car speaker static noise:
Check the static audio sources
One of the easiest ways to fix the car speaker’s static noise is by examining your car’s audio sources. These sources include your CD drive, USB, AM, and FM. Also, buy an antenna noise suppressor, which can reduce static noises and prevents any other disturbances. You may also use a magnetic shielding foil to wrap the part of your car’s audio system that makes noise.
Install a noise filter
If you find it difficult to understand the source of the car speaker’s static noise, try installing a noise filter. A noise filter blocks any high-frequency sound emissions from within your car. These filters help you eliminate any unnecessary sounds inside your car. However, first, you must identify the reason for the car speaker’s static noise before installing the noise filter.
Disconnect the radio antenna
One of the easiest ways to fix the static noise is by disconnecting the radio antenna, tuning it carefully, and checking for any statics. However, check for a good signal before you tune your radio, or you may need help finding the static. Another way to find the static is by repositioning the antenna. If you find the antenna faulty, it is always best to go for a replacement.
Rule out the amplifier
To check on the car speaker’s static noise, you can also unplug all the wires from the amplifier. Once the noise goes off, you may reconnect the amplifier. Also, check for any knots in the cables, and make sure that the patch and power cables are not tangled. If you place them properly, your amplifiers are of poor quality. So, you’ll need to replace them.
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