Confused

[Below20hzonly 10+ year member]

Ok ive got infinity perfect mids and want to get different tweets and i was just wondering if i wud even need a crossover if i powered them both with separate amps and just adjusted the hpf on the amps differently??

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[trumpet 5,000+ posts]

Most amplifiers won't have a crossover that goes high enough for tweeters. You'd need one that as an "x10" multiplier option to increase the HPF frequency. It's easier to set up the crossovers for a 3-way tweeter/mid/subwoofer system on an active capable head unit than to do it with amplifier crossovers only. You'd also usually have the benefit of time alignment and a good equalizer with an active head unit.

Use a good pair of passive crossovers and call it a day. Right now I think an active setup would be over your skill level.

 

[Below20hzonly 10+ year member]

who makes quality crossovers

Most amplifiers won't have a crossover that goes high enough for tweeters. You'd need one that as an "x10" multiplier option to increase the HPF frequency. It's easier to set up the crossovers for a 3-way tweeter/mid/subwoofer system on an active capable head unit than to do it with amplifier crossovers only. You'd also usually have the benefit of time alignment and a good equalizer with an active head unit.
Use a good pair of passive crossovers and call it a day. Right now I think an active setup would be over your skill level.