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2003 Jaguar X-type 2.5 AWD no nav
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Discussion Starter · #1 ·
Hello everyone first post here, I was replacing the headunit in my Jaguar 2003 X-type no nav and purchased a sony unit. I had power problems with that unit because it had some crazy built in amp(hi-power) so I decided to go with a JVC KW-R940BTS. I wired everything correctly and tried it out and when it reaches a mere 14 volume it starts distorting and tearing awfully. I tested the fade out because my rears are factory and my fronts are Pioneer TS-A1670F 6.5" and what I found is the rears don't play any volume even when at full fade. Also when the fronts are at full fade the distortion actually happens LATER at 25 volume, its super weird. Also another note is when I had my sony unit the rears worked fine and could get louder than where this is happening now. JVC support didn't help at all and I am positive my wiring is correct. I even shook some of the wires while playing sound and couldn't find a loose connection. Please help there is no info anywhere!!!
 

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Do you know what the impedance of the rear speakers is? It's possible that the rear speakers are less than 4 ohms, and the head unit does not like to be wired to speakers below 4 ohms. Maybe you fried the rear ouputs by trying to run too low of an impedance speaker.
 

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2003 Jaguar X-type 2.5 AWD no nav
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Discussion Starter · #3 ·
Do you know what the impedance of the rear speakers is? It's possible that the rear speakers are less than 4 ohms, and the head unit does not like to be wired to speakers below 4 ohms. Maybe you fried the rear ouputs by trying to run too low of an impedance speaker.
How should I go about finding that? Searching my car model and info about the factory speakers doesn't come up with anything. Would it be in one of the manuals?
 

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Do you have a digital multimeter available to you? It could help a lot to troubleshoot things like this, you can use it to measure the impedance of the speaker if you can’t find the info online
 
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