Queation on tweeter installation

[Dennis Gulau]

I'm installing a pair of JBL 3/4" tweeters in my roof to replace the factory speakers.

Can someone tell me what this is and if I need it? It is included in the box of stuff that came with the speakers.

 

[fraleywp]

This is a crossover. You would use this if you were trying to add the tweeters to a full range speaker set. Since you are replacing existing tweeters, I doubt you will need it. But, it will filter out any frequencies not supported by the tweeters you are installing.

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[canadiankodiak700]

Install it inline regardless.
Don't just assume that your current tweeter is already crossed over. It could have a micro crossover (cap) built in, therefore receiving full frequency from the headunit/factory amp.
Not to mention, if you replace the factory source of amp later, you won't have to pull it all apart to add in these crossovers

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[Dennis Gulau]

Thanks for the replies. I was thinking that is what it was but wasn't sure. I'll put it in.
There was no mention of it in the basic instructions that came with the tweeters.

 

[Gary2]

Best to use the crossover that is provided with the new speaker you are using as the cut off frequency may not be the same as the OE tweeter .

 

[Graygoose]

I would.