Is this okay or do i need something else

[Ecko113]

Wondering if my 150 amp stock alt and stock battery on my audi a4 2.0 will it be enough to power 2 sa 10 v 2s on a tara amps smart 3k looking for recommendations on what to do if I need to do anything car already comes with a 755 watt Bang and Olufsen system would my car be able to handle all this or do I need a battery HOA or anything like that

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