4 ohm speakers ok for 2 ohm headunit?

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rodriik

Member - Posts: 12

Joined: July 31, 2009

Posted: August 07, 2009 at 1:16 PM / IP Logged

Hi guys. I have a 2009 Jeep Wrangler and I'm putting in new speakers. Two Boston SL65s in my soundbar, and two Boston SL60 components up front.

The 65s are 4 ohm, and the 60s are 3 ohm. I have a "mygig" navigation headunit and am keeping it, but I was told it is 2 ohm.

A guy told me it will sound terrible if I install these speakers because they will be too quiet and there will be no bass since it is going from 2 ohm to 4 ohm. Is this correct?

thanks

i_want_the_boom

Copper - Posts: 86

Joined: June 02, 2009

Location: Ohio, United States

Posted: August 07, 2009 at 1:43 PM / IP Logged

If you want those speakers to sound good you should get an amp and run the speeakers to it.

If the trunk dont rattle then its not loud.

If it's to loud then you're to old.

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rodriik

Member - Posts: 12

Joined: July 31, 2009

Posted: August 07, 2009 at 2:02 PM / IP Logged

i_want_the_boom wrote:

If you want those speakers to sound good you should get an amp and run the speeakers to it.

I don't really want to install an amp. Should I get some cheaper 2 ohm speakers instead of using these?

DYohn

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Joined: April 22, 2003

Location: Arizona, United States

Posted: August 07, 2009 at 2:54 PM / IP Logged

You'll be fine.

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rodriik

Member - Posts: 12

Joined: July 31, 2009

Posted: August 07, 2009 at 5:06 PM / IP Logged

DYohn wrote:

You'll be fine.

OK. Guy was wrong that it will sound worse? or be really low? thanks

i am an idiot

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Posted: August 07, 2009 at 7:44 PM / IP Logged

The deck will deliver slightly less power into the new 4 ohm load. Keyword was slightly. This reduction in power will result in a drop of around 3Db. This will be unnoticable to most ears..

Let's Go Brandon Brown. Congratulations on your first Xfinity Series Win. LGBFJB

yimke

Copper - Posts: 417

Joined: June 23, 2009

Location: Nebraska, United States

Posted: August 09, 2009 at 10:00 AM / IP Logged

Your factory amp might even last longer because of the increased resistance. Doesn't run as hot usually.

I usually don't recommend this practice, but you should be fine. Like DYohn said above, most people won't be able to hear the difference. 3db is not a lot.

DYohn

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Posted: August 09, 2009 at 10:04 AM / IP Logged

An amplifier's impedance rating represents the minimum impedance it can handle, not what is required. If an amplifier is rated at 2-ohms, any load of 2-ohms or greater will work fine with that amplifier.

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4 ohm speakers ok for 2 ohm headunit?

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