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<blockquote data-quote="rmerriam" data-source="post: 8135693" data-attributes="member: 656029">Hey Guys,I came across a problem with my system about a month or so back and have yet to find any correct answers.&nbsp; Ill start with some background information.I have a 2010 Ford Focus with the stock premium sound HU.&nbsp; I have my Alpine MRP500 amp wired to that and a Rockford Fosgate P3D412 sub.&nbsp; I had my bass settings on my HU set to +2 and it had worked no problem for over a year.&nbsp; Then one day it started cutting out and coming back on in sync with the beat of the song.&nbsp; Whenever a hard hit comes or what have you...&nbsp; I took it to a local shop and he was positive it was my stock head unit because Ford puts &quot;limiters&quot; in them so people don&#039;t blow there stock speakers.&nbsp; I am aware that in fact this is true, however seeming as it worked over a year before that, Im doubting thats the problem.-When it cuts out my amps power light stays on-I have to turn my bass setting on the HU far into the negative range to have no cut outs at high volume-All connections are secure-My ground is fine-Fuzes are fineMy best guess and worst fear is that my sub is fucked somehow..but I have no clue how to be sure seeming as when it doesn&#039;t cut out, it still sounds great!\Any help or ideas are highly appreciated and I am looking forward to finally figuring this out!Thanks,Ryan</blockquote>

[QUOTE="rmerriam, post: 8135693, member: 656029"] Hey Guys, I came across a problem with my system about a month or so back and have yet to find any correct answers. Ill start with some background information. I have a 2010 Ford Focus with the stock premium sound HU. I have my Alpine MRP500 amp wired to that and a Rockford Fosgate P3D412 sub. I had my bass settings on my HU set to +2 and it had worked no problem for over a year. Then one day it started cutting out and coming back on in sync with the beat of the song. Whenever a hard hit comes or what have you... I took it to a local shop and he was positive it was my stock head unit because Ford puts "limiters" in them so people don't blow there stock speakers. I am aware that in fact this is true, however seeming as it worked over a year before that, Im doubting thats the problem. -When it cuts out my amps power light stays on -I have to turn my bass setting on the HU far into the negative range to have no cut outs at high volume -All connections are secure -My ground is fine -Fuzes are fine My best guess and worst fear is that my sub is fucked somehow..but I have no clue how to be sure seeming as when it doesn't cut out, it still sounds great!\ Any help or ideas are highly appreciated and I am looking forward to finally figuring this out! Thanks, Ryan [/QUOTE]

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