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Discussion Starter · #1 ·
I'm interested in replacing the factory speakers in my 2005 Impala, but I want to choose speakers that can be powered by the factory stereo if possible (I will upgrade the stereo itself at a later date).

I need to know how many watts RMS are sent to each speaker. I also want to know what kind of amp is installed in the trunk (the amp is also factory installed). It's made by ACDelco and the model number is 10449235.

I also noticed that the rear speakers are 2 ohms, while the aftermarkets I have been looking at are 4 ohms. Can I still use them or do I need to replace the amp also? Thanks for reading.
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