will this be enough power?????

[smokeum99ta 10+ year member]

I have this head unit http://www.crutchfield.com/S-YiJlxCpU472/App/Product/Item/Main.aspx?i=500CDA9825&tp=5684 and what to try and run 4 of these speakers http://mobile.jlaudio.com/products_components.php?comp_id=119 . Will this work or do I need an amp for them?

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[Alex965 10+ year member]

They will work fine off the HU in low to mid volume levels. If you crank it up, your HU will distort because of small internal amplifier. If I were you, I would throw a JL 300/2 amp on front speakers instead of spending money on the rear JL speakers. Just leave the rear OEM speakers in the back and power them with the rear channels of the head unit.

By the way, those JL speakers are VERY nice!

 

[smokeum99ta 10+ year member]

They will work fine off the HU in low to mid volume levels. If you crank it up, your HU will distort because of small internal amplifier. If I were you, I would throw a JL 300/2 amp on front speakers instead of spending money on the rear JL speakers. Just leave the rear OEM speakers in the back and power them with the rear channels of the head unit.
By the way, those JL speakers are VERY nice!

I went ahead and installed an amp with them. I used all four since they were given to me by my friend who upgraded his speakers. Gotta love those "I have to have the best kinda people". Just hope they are worth the time and afford I spent on them yasterday.