should i have my subs fire towards the front or rear of the car and could someone explain what a crossover on a amp does please

thank you

Paul

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Concerning where to face the subs, I asked a similar question a while back. Use this link to get to that thread:

www.thirdgen.org/messgboard/Forum3/HTML/002174.html

A crossover is a "frequency filter" that only allows a specific frequency range to get to the speaker while blocking out all frequencies outside that range. On a sub amp, you will want to set the crossover to the "low pass" setting so that only low frequencies (bass) can get through to your sub. Sending high frequencies to the sub can damage it, besides the fact that it would sound awful. The reverse is true for tweeters (set crossover to "high pass", low frequencies can cause damage, sound bad).

Aside from just preventing your system from damaging itself, a sensitive crossover is also a very useful tool in adjusting the quality and fullness of the sound coming from your speakers.

Hope that explains it.