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<blockquote data-quote="cunnart" data-source="post: 7605159" data-attributes="member: 638903">I have a 98 grand cherokee 5.9 with the infinity gold system. As I understand it the factory set up is 2 ohm&#039;s I replaced the rear door speakers with infinity kappa 62.9i&#039;s which are rated at 2 ohms as well(4ohm with wiring?). My issue is the speaker produces no treble and even the bass kinda sounds muted. Does this sound like a bad amp or does the factory infinity amp have built in crossovers and sends no treble to the rear door speakers?If I hook jumper wires to the back of the radio and into the speakers they sound fine. Or are the speakers really a 4OHM and just aren&#039;t getting enough power?I will eventually be replacing the factory head unit with a clarion cz500 once a replacement comes as the first one had a defective display. I tested the speaker jumpered to the clarion headunit.Also when I get the money I will replace the factory amp with a 4 channel amp and run the sound bar off the head unit and the front and rear doors off the 4 channel amp. is this a good strategy? Or should I run the sound bar and rear door speakers in parallel? Will it matter that the stock sound bar speakers and the droos are 4 ohm? I am also adding in a sub (audiobahn 1200q with alpine m350 amp).The factory infinity system has components in the front doors ( will be replacing with kappa components as the stock woofers are blown) rear door 2 way speakers and a sound bar in the storage area with components. I plan on keeping the sound bar speakers stock for now as they sound fine.Sorry for the long post any help would be appreciated.</blockquote>

[QUOTE="cunnart, post: 7605159, member: 638903"] I have a 98 grand cherokee 5.9 with the infinity gold system. As I understand it the factory set up is 2 ohm's I replaced the rear door speakers with infinity kappa 62.9i's which are rated at 2 ohms as well(4ohm with wiring?). My issue is the speaker produces no treble and even the bass kinda sounds muted. Does this sound like a bad amp or does the factory infinity amp have built in crossovers and sends no treble to the rear door speakers?If I hook jumper wires to the back of the radio and into the speakers they sound fine. Or are the speakers really a 4OHM and just aren't getting enough power? I will eventually be replacing the factory head unit with a clarion cz500 once a replacement comes as the first one had a defective display. I tested the speaker jumpered to the clarion headunit. Also when I get the money I will replace the factory amp with a 4 channel amp and run the sound bar off the head unit and the front and rear doors off the 4 channel amp. is this a good strategy? Or should I run the sound bar and rear door speakers in parallel? Will it matter that the stock sound bar speakers and the droos are 4 ohm? I am also adding in a sub (audiobahn 1200q with alpine m350 amp). The factory infinity system has components in the front doors ( will be replacing with kappa components as the stock woofers are blown) rear door 2 way speakers and a sound bar in the storage area with components. I plan on keeping the sound bar speakers stock for now as they sound fine. Sorry for the long post any help would be appreciated. [/QUOTE]

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