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<blockquote data-quote="iankrajacic" data-source="post: 6908253" data-attributes="member: 624310">Ok, so here&#039;s the story,I have :4x 6&quot; alpine type R speakers, some cheapo sub and amp and a sony LCD headunitI have ensured its all wired properly, all wires connecting to the headunit and soldered and heatshrinked.All speakers are connected to a 4 channel amp and have individual RCA&#039;s.Problem is that when all 4 speakers are pluged in, the speakers emit a buzzing sound intune with the alternator, when i unplug the back and just leave the front pluged in = no buzzing, and same if i unplug the fronts and leave the back pluged in...I have bought a cap to put on the alternator but that has made a differance..My friend from work thinks it might be the ground connected to the headunit and he thinks maybe i should connect it straight to the battery, and other people think that i should just get a bigger cap to put on the alternator.the grounds on both of my amps are strong and well.I am kinda leaning towards the ground on the headunit... maybe go down to jaycar and get a longer wire and connect it straight to the - on the battery?Please give me some input, thanks heapsIan.</blockquote>

[QUOTE="iankrajacic, post: 6908253, member: 624310"] Ok, so here's the story, I have : 4x 6" alpine type R speakers, some cheapo sub and amp and a sony LCD headunit I have ensured its all wired properly, all wires connecting to the headunit and soldered and heatshrinked. All speakers are connected to a 4 channel amp and have individual RCA's. Problem is that when all 4 speakers are pluged in, the speakers emit a buzzing sound intune with the alternator, when i unplug the back and just leave the front pluged in = no buzzing, and same if i unplug the fronts and leave the back pluged in... I have bought a cap to put on the alternator but that has made a differance.. My friend from work thinks it might be the ground connected to the headunit and he thinks maybe i should connect it straight to the battery, and other people think that i should just get a bigger cap to put on the alternator. the grounds on both of my amps are strong and well. I am kinda leaning towards the ground on the headunit... maybe go down to jaycar and get a longer wire and connect it straight to the - on the battery? Please give me some input, thanks heaps Ian. [/QUOTE]

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