There are different ways to dig deeper into a factory sound system upgrade. Answering a few questions can put you on the right track:

How important is your budget? Do you have a lot of money to spend on improvements?

Want to improve the sound while maintaining the factory stereo sound?

Would you rather ditch the factory stereo and start from scratch?

https://procarsoundsecurity.com/car-stereo-installations/

What is the importance of the bass?

Do you like to listen to loud music?

You might be surprised at how much the simple act of reflecting on these five questions puts you on the path to building a great car audio system. 

Car audio: useful tips for beginners – You can create a speaker system in the car without special knowledge. However, beginners should consider some important points that will help them do everything correctly and achieve the desired effect.

Car audio: tips for beginners – Building any audio system must start here, otherwise voltage drops will negatively affect the sound quality. If you are going to install a non-superpowered system, you can install a special driver. This is certainly not a panacea, but it will help protect the battery from rapid and frequent discharges, as well as smooth out voltage fluctuations. If you are installing very powerful acoustic equipment that consumes a lot of energy, experienced experts recommend installing an additional battery. Choose power wires carefully, as it is not worth saving; Copper wires with large cross-section are recommended.

Many newbies pay little attention to this moment: they have connected, everything works. It’s not right. Even if you install expensive brand acoustics and a powerful, high-quality sound amplifier, the speakers will never reproduce high quality with low power.