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2 answers

One run's of the amp's power supply, the other run's on it's own power supply (you plug it into the wall)

2007-08-29 06:56:19 · answer #1 · answered by Dan 2 · 0 0

This is also true with computer speakers. Passive speakers run off of the sound card and active speakers have their own power supplies.

2007-08-29 07:36:16 · answer #2 · answered by Dusty 7 · 0 0

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