If you have just got around to installing a new set of car speakers, you may have found an odd-looking electrical box looking thing contained within the box. Some people don't understand why this is provided and also sometimes often get confused thinking the crossover box is a small amplifier to provide power to the new set of car speakers. Today, we are going to explain what this small crossover box is and where you should mount it.
Crossovers are provided with a set of car speakers to ensure each component in the speaker setup, a tweeter and midrange driver is getting the correct sound separation. In technical terms, the midrange driver will play anything from 80 HZ to usually around 2000 HZ and the small tweeters you see mounted at the top a pillar play right upto 20000 HZ. The crossover ensures maximum sound quality so your car speakers playing the right type of sound they are designed to play. This overall ensures maximum sound quality and performance out of your aftermarket car audio speakers. Car audio can get technical, but its our job to simplify things. I would also like to inform you that the crossover box also acts as protection device.
For example, if there was no crossover box, the bass frequencies will be sent to a car audio tweeter which is in capable of producing bass and it will blow the car tweeter almost instantly. Cheap car audio speakers that don't come with crossover boxes usually just have a cheap $2 capacitor attached to the positive terminal on the tweeter. While this does do the job, it not going to provide you with the best sound quality in my opinion, but it’s done to save costs.
The best place to mount of your crossovers is usually away from the door cars. This is because rain dust and dirt from opening your car windows can cause corrosion on the terminals. I have seen this before. People tend to fit crossovers within the door to make the car audio installation easier, nothing wrong with this, but from my experience if you can reroute them into the glove box or under a panel within the actual vehicle this overall would be better. They don’t tend to produce any heat like car amplifiers so there are no concerns of actual overheating.
If you have an aftermarket headunit and also an aftermarket car audio amplifier, they will also have crossover points on them. It will be marked as high pass filter. This is usually adjustable from 80 HZ an upwards, if you are using the crossover boxes supplied with set of brand-new car speakers, then its best to turn off the high pass filter from your car stereo and also aftermarket car amplifier. This will clean up the sound and not confuse the crossovers boxes with so many different settings.
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