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      04-19-2012, 02:13 PM   #8
Private First Class

Drives: 2012 X3 xDrive35i Dinan
Join Date: Sep 2011
Location: San Francisco

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Originally Posted by Radioactive View Post
Don't be fooled by the need for component speakers, ie separate tweeter/midrange. If fact there can be problems with 'tuning" the speakers to match. A better solution is to look into a high end European COAXIAL speaker such as the one the installer recommended, the Focal or look at something from Morel or Rainbow. They will have a built in crossover and aimable tweeters. As far as midbass, the speakers will go down to 75-100Hz, then I assume you have under seat woofers to take over the low end. If not the parts probably could be order to install one. Try, if you can get it, the "flat" Earthquake Audio woofer.

As far as an external amp, you are in a much easier situation than those of us with upgraded systems. You can purchase an amp with high level inputs (speaker level) or an adapter to drop down the input from high level to low level. If you get a five channel amp the (sub)woofer protion will normally have crossover and output level control for the bass.

BTW, I don't think "inches" will work without modifications. Try to get your size in metric. look under "integration" 100. The 8" SWS.
Interesting...I wonder if the SWS is a drop-in replacement for the under-seat subs/midbass drivers? I'm sure that the factory amps wont have enough power to drive them though. Would love to clean up & beef up the low end a bit without having to add an aftermarket all-in-one sub + amp combo. Would be only a few days before I found a broken window and missing box due to the lack of having a nice concealing trunk (covering the cargo area when parked on the streets of San Francisco is the same as writing an invitation to would-be thieves).