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  1. Audio, Video & Nav
    I've seen a lot of good info on here so decided to finally join. I have a 2018 Terrain SLT Non-Bose system. I purchased 4 new speakers (JBL GX Series). 6"x9" in the front doors and 6.5" in the back doors. I already know the amp I will need has to provide 50-60 watts per channel but my question...
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