Car Audio term - Active setup?

[drzenitram 10+ year member]

I know, I probably sound like an idiot, but I see the phrase used often and I can't seem to pull the meaning out of context.

What is an active setup? Active front stage? eh?

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[alteraudiousa 10+ year member]

active means there is no use of a passive crossover. All signal processing and crossing over of the frequencies is done by an electrical crossover and done at the amps or the HU itself.