Originally Posted by xtremerevolution
What'* the difference between passive and active in car audio? Do explain.
In an active setup, the sound processing gets done before amplification, versus after amplification in a passive setup.
The reason active is more efficient is because the amp isn't amplifying signals your speakers won't use, unlike passive. In most cases the SQ ends up being alot better along with it because the sound processor in an active setup is far superior to what can be found in passive xovers.