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Crossover in original amp (M490 option)?


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I have the M490 sound option in my 2003 MY04 Boxster (6 channel amp, speakers in dash and doors). The car was delivered in Australia.

Planning to replace the 4 speakers with something like Focal 3 way separates such as the K2 Power 165 KRX3. The bass driver would go in the doors, mid and tweeter in the dash. The appeal of this is that all 6 channels of the amp can be used (I don't plan to put rear speakers in), driving one speaker each.

Questions...

Does the original 6 channel amp have a built-in crossover?

If so, what is the frequency point of the crossover?

Does anyone see a problem with this idea of installing separates?

Cheers.

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Not sure about Australian delivered cars (s/b same) but in the US, the amp in the M490 hi-fi kit did have a crossover for the door speakers (at least pre '03MY when MOST fiberoptic system was introduced). I do not know the crossover point however. So, in order to hook it up correctly you'll want to drive the dash tweeters and mids w/ what were the original dash and rear speaker hook ups on the amp (pretty sure they are full range) and drive the door woofers w/ the original hook ups for the doors in the amp.

No issue w/ that set-up but you should still consider rear speakers. They aren't powerful or overwhelming but they really do help create 'fill' (like in a home theatre system) and will pull the soundstage back a bit to where your ears are located in the car as opposed to just underneath the windshield.

Either way Good luck :)

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