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      01-09-2021, 11:13 AM   #24
ctuna
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Drives: 325xi 06 wagon MT
Join Date: Jan 2010
Location: Santa Cruz, Ca

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It's important that the terminology be kept straight because it's already confusing
enough.

Stereo = base system = no amp
Hi Fi = 6 channel analog amp with analog inputs = 676
Top Hi Fi = Logic 7 = 9 channel amp with optical inputs = 677 and 688