Active Passive

passive is where the speaker wires come out of your amps and go to a crossover which then seperates the frequencies to you woofer and tweeter, active is where the signal is split before it gets to you amp ie your headunit or an outboards crossover the rcas going to the amp are all crossed over to certain frequiencies and you have a seperate amp for tweeters and one for mids/woofers. Basically

 
passive is where the speaker wires come out of your amps and go to a crossover which then seperates the frequencies to you woofer and tweeter, active is where the signal is split before it gets to you amp ie your headunit or an outboards crossover the rcas going to the amp are all crossed over to certain frequiencies and you have a seperate channels for tweeters, mids, and woofers. Basically
Fixed for you //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

 
that would be true if you were running a 4 channel to your mids and tweets, some people have seperate 2 channels amps, thats why I said basically
The amount of amps you have has nothing to do with 'active'. It's exactly what ultimate said. Your unit gives a different RCA signal for your high, mid and low. Passive only gives you 2 signals, high and low. It also gives you more cross over points and higher Db slopes than passive.

 
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