My 500 has the 10-speaker system. Here is a photo of what it looks like. There are two amps. One per side, each powering 5 speakers.

The dash speakes have caps on them as a 6 db/oct passive filter. I'm wondering if I should de-solder and retro them to a new set of speakes to keep the balance equal with the door mounted subs.

This now brings up the question of what to do with the 3 speaker clusters (L/R) in the rear. Replace with a good sounding Co-ax or maybe some seperates? Hm.. the biggest concern is a mounting system.

On my last W124 I gutted the front speaker cages and installed the new speakers into those cages. Made for a very tight install in the dash. The downside was the amount of time it took to cut the cages apart on the stock speakers.

I've not yet figured out what to do with the rears...

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