Question about Jl Audio 300/4 Car Audio Amplifier
I have a Jl audio 300/4 amp and it recently started making a weird fuzzy static like noise. I have checked all wiring and concluded that it must be something internal. I have no idea what could cause it. PLEASE HELP!!!!
I had the same problem with my 500/1 and was even told by a Radio shop that I should just get a new one. WRONG! Open up the back of your amplifier while you have your system on and look for a loose circuit (white rectangle half visible on my 500/1) it probably came loose and is bumping against what it is usually connected to. I used a pencil eraser and stuck it between a circuit board and this circuit to keep it stable. Amp works great now, but it can come loose.
Posted on Nov 27, 2007
If you unhook the rca's does it persist?
Posted on Sep 22, 2007
I had the same amp! It is the JL 300/4 and one of the chanels came in really fuzzy. It sounded as if the the wires were touching during my installation. I called JL and a JL authorized dealer it would have costed me 190 dollars total to get the amp fixed. Instead I opened up the amp to see if anything looked out of the ordinary. When you open the amp, see if the green fuse looking things are aligned. If they are not aligned then straighten them out. I think they had gotten out of place from being dropped becaue I baught my amp used. My amp works perfectly now!
Posted on Mar 06, 2008
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Posted on Jan 02, 2017
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