If you want quality and performance, this is the way to go! Something that is NOT STATED in the information and may be important for some is that they have Fans and Transformers. In some cars, the cover needs to be drilled because all these may not fit. If your hands are not for invention and you have doubts, buy a more economical series that the company produces with fewer watts, which do not have a fan or a power supply, they are simply not as powerful and cost half the price