Base System Speaker Upgrade

[Heimkehr]

Has anyone had problems overloading their head units from running all these speakers with no amp? The difference in ohms is not a problem?

Jerry says almost exactly what I was going to say:

I can turn mine up to the full volume of 38 with no distortion, but that's too loud. I normally run low 20's, but occasionally go up to the high 20's and never have any issues. For the factory speakers with a 4 ohm in parallel with an 8 ohm, the effective resistance is 2.67 ohm, so a close match to my 3 ohm Infinity speakers.

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[jhalla920]

Jerry says almost exactly what I was going to say:

Thanks for the replies. I put the infinity 307s’ in the dash. Going to do the 6.5 infinity reference in the soundbar. Base audio, no amp and no sub. Was hesitant to do the 6.5 swap in the soundbar without any good data on what kind of power the base head unit has.

 

[jhalla920]

I put infinity reference 307 in upper dash and 607 in the soundbar. Did you guys end up reversing the wires in the Metra connectors in the soundbar as well, or just the dash? I tried the Speaker Pop app on iPhone but it gives wildly inconsistent results.

 

[Heimkehr]

I put infinity reference 307 in upper dash and 607 in the soundbar. Did you guys end up reversing the wires in the Metra connectors in the soundbar as well, or just the dash?

Just the dash, in my case, where I did use Infinity Reference speakers in conjunction with the provided Metra connectors.

I used Mopar premium speakers in the soundbar, which were plug-and-play as delivered.

This depinning kit helped.

 

[Jebiruph]

I put infinity reference 307 in upper dash and 607 in the soundbar. Did you guys end up reversing the wires in the Metra connectors in the soundbar as well, or just the dash? I tried the Speaker Pop app on iPhone but it gives wildly inconsistent results.

After I used one of these to test the speaker polarity https://a.co/d/iVsKNRA , I found that all the factory speakers came wired with reverse polarity, so I used the Metra adapters wired as delivered to keep all the speakers in phase (all negative polarity)..

 

[Uhdinator]

I was looking at Kenwood KFC x3 vs Infinity 307 3.5" upgrade for sound bar and dash. One thing I noticed is the sensitivity rating of the Kenwoods is 83db (1w @ 1 meter)
the Infinity are 91 db. So you're gonna get more out of the Infinity's with less power. Im sure either one will sound better than the factory speakers. The Kenwoods only go as low as 800Hz and the Infinity go down to 85HZ.

I ordered Kicker KSC40's for the sound bar
88 db @ 1w, with LF down to 60hz
Infinity ref 307's for the top dash
91 db @ 1w. 85 hz LF.
Pretty sure it will be and improvement.

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