Since the AMPS are in each speaker with the Bose Radio, it is very difficult to do any kind of improvement with out swapping out EVERYTHING.

Could I just add an Equalizer to the system? It is a 99 Diesel w210 with Bose “Upgrade”

I need more high end. It is not crisp.

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1999 E300 TurboDiesel
2007 Ford Explorer limited
1981 John Deere 650 Diesel tractor