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      01-20-2022, 02:45 PM   #19
Runnin'Rich
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Drives: 2009MY E91 328Xi 6MT
Join Date: Sep 2020
Location: British Columbia Canada

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Something worth noting:

E90 hifi
door speakers 2ohm
Underseat subs 2ohm

E70 hifi
Door speaker & centre speakers 4ohm
Underseat subs 2ohm

If you just swap to the e70 amp your door speakers could be quieter because of the difference in impedance (ohms)

I have a Hi-Fi e91 and I'm planning to do the EPS Individual Audio door/centre speakers(4ohm) with an e70 hifi amp.

I will try only the amp first and report back if it sounds any better than regular e90 hifi.
I found a silver e70 amp for $63 on eBay
Appreciate 0