the front dash speakers are capped with 3.3 microfaret caps, essentially making them tweeters.

At least thats how my car is from factory. I simply added soem tweeters glue to the bottom of the speaker grills in the front. really enhanced the sound tremendously.

its like having a 5" tweeter and a 1" small tweeter really giving it better highs.

The door subs are wired as a sub. I plan on changing out the caps to a low mid cap on mine.

My rear speakers are the same. a small woofer and two tweeters per side.

Alon

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'92 300CE - Sold
2004 C240 - 744 - C7 Wheels - Android Radio
2002 C320 - 816 - Sport Wagon - Sold
2006 E350 Wagon - 368 - Dead
2015 GL350 Bluetec - 197U