Advice 2 : Than poor native audio system of the car and how to replace it?
A regular system has a narrow frequency band that gives the listener a plastic sound, the sound has no volume but at high volume starts to audition a sound from the vibration of the door trim panel. The premium cars have enough elite speakers from famous manufacturers, therefore, these vehicles do not require replacement of the audio system.
Sound quality in the car allows you to transmit all the tones, it has a volume and strength. Good quality sound is clean, the door covering it fonit. For all the shortcomings of the regular systems are very reliable, matched to the design of the car, so if you listen to just the radio in the car, rarely play music loudly, then it is possible to be limited to "native" set of speakers.
The number of speakers in the car – not the most important factor in the acoustics of the car, much more important than its type. The minimum set of loudspeakers should be one pair of dual-channel, which consist of high-, midrange and filter crossover. The tweeter is placed higher, mid – lower, the subwoofer can be placed anywhere.
It is important to ensure rigid attachment of the dynamics to the details of the car. When buying new speakers should be aware that native speakers are often smaller than special. Next, you should consider all the technical components: resistance 4 Ohm, sensitivity – 92 dB. All manufacturers of speaker systems you can find different kinds of acoustics in various price categories: from budget to professional.
Budget options well-known manufacturers are about 50.e. premium models can reach up to 2000.e. under the order – up to $ 10000.e. Not worth it to buy speakers unknown brand, it will last a year, so if there are limitations in money, it is better to use a reliable established system.