Question about Jl Audio 500/1 Car Audio Amplifier

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I have jl 500/1 power cuts and turns back on

When switch the car it has no power. the about half hour later it gains power

Posted by Anonymous on

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6 Suggested Answers

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  • 2 Answers

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Posted on Jan 02, 2017

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  • 108 Answers

SOURCE: 500/1 and 300/4 jl

Need more info here. did you run power from the 500/1 to the 300/4, or did you run the signal from the 500/1 to the 300/4? Also which amplifier is cutting out for a min...the 500/1, the 300/4, or both? each amp should be wired to a distribution block with 4 awg power wire recommended for each. the amps should also be wired without any capacitor.


Posted on Aug 03, 2008

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GooFyTiS24
  • 33 Answers

SOURCE: i bought a 500/1 jl audio amp and also a w7 10 sub

if its cutting off and right back on then check your ground and your power wire makes sure both are connected good and none of your fuse's are blown, either that or you got a wire hooked up backwards in the sub.. but my guess is that the sub is hooked up wrong... that sub should be hooked up in a series or in parallel,

ok if your running just one speaker, it should be hooked up like this and 2 speakers are a different way...

this is parallel :pos to pos , neg to neg, then one wire coming from pos on sub to pos on amp then neg on sub to neg on amp but bridge the amp on your amp should be 2 pos and 2 neg in two different channels take the pos off the sub into the pos on 1 channel and then the neg from sub to the neg on the other channel,

this is series : on the sub it will go pos to neg then the other neg and pos will go to the amp, but make sure the pos and neg r on different sides of the sub, dont hook them both to the same coil

if your need more help give me your email and ill send you a pic of how to do it...


Posted on Aug 12, 2008

  • 7 Answers

SOURCE: JL audio 500/1 produces barely any sound

Ohm load is way off check it and let me know... If you send the wrong ohm load to amp will restrict the output so it sounds low or muzzled

Posted on Nov 06, 2008

  • 14 Answers

SOURCE: JL 500/1 loses power after 15 seconds

that sounds like a ground problem. make sure that the wire is grounded to your frame, or any other unpainted metal surface. if no unpainted surface is available, get some sandpaper, and 2 gold, copper, or silver washers (in order from best connection to worst) from your local hardware store. find a bolt near the amp, that wont make something fall apart. take the bolt out, and sand the paint off underneath it. make sure to get all the paint and primer off. put the 2 washers on the bolt, and put the ground wire between the washers. then tighten the bolt nice and tight. this will give you the best possible ground connection, without running the ground to the neg of the battery. if this still doesnt work, try running the ground to the neg of the battery. if that doesnt work, then you should have your amp looked at. hope this helps

Posted on May 01, 2009

  • 84 Answers

SOURCE: 1 10 jl jl 250/1 mono block amp cuts off an on help

your subwoofer is wired incorrectly to your amplifier. Figure out which ohm load of subs you have and then what ohm load options your amp is stable at. Next go to either the Crutchfield website. find their learning center. go to subwoofer wiring diagrams. or go to www.the12volt.com and find their section on it

Posted on Jun 14, 2009

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1 Answer

I have a 12" d4 type r 1000 rms and a alpine 1000 amp speaker sounds great but smells like something is burning, my amp never over heats or shuts down but the smell is still coming from the sub?


Cut your gain back on the amp. It sounds like they are set too high. Check your install instructions on how to set your gain. If you have a 4 or 5 volt output head unit your will not be at half way. Im running a JL Audio 500 /1 on a skar wwv10 dvc in a ported box. My gain is set about half way & its plenty loud.I have a Alpine 9887 headunit 5 volt output on my RCAsI can take a volt meter & set my speaker output at 45amps & my gain in perfect.

Apr 28, 2014 | Alpine Type-R SWR-1242D Car Subwoofer

1 Answer

My Toshiba 32wlt58 cuts out every ten minutes.


I have just had that problem. Repairer said it was a chip in the power supply. Just got the set back this morning, ok for about 6 hours then cut out. Felt quite hot on LHS Will switch on again after a while, then cut out again. Suspect overheating problem took out PSU chip. Chip replaced but original fault still present

Oct 04, 2009 | Toshiba 32WLT58 32 in. LCD Television

1 Answer

Jl 500/1 amplifier will not turn on


you may have burned the channel you were using..try taking the cover off the amp and checkin for burned spots or any wires that may be loose or touching within the amp.

Feb 24, 2009 | Jl Audio 500/1 Car Audio Amplifier

1 Answer

Low ohms light flashes and bass distorts at high volume


Sounds like you need to invest in a capacitor. Those are used when subs receive a bass spike. You just a need a 1 Farat Capacitor (1,000 watts) ran between the head unit and the amplfiier to fix your issue. Also, try reducing the volume gain to half gain and low pass frequency to half gain; this will increase your clarity and make your amp less hot. This may fix it without a capacitor. Also find out what amprage your alternator is. Your alternator may not be designed to run the amplifier. Most alternators are 200 amps now if they are gold plated.

Hope this helps

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Feb 10, 2009 | Jl Audio 500/1 Car Audio Amplifier

2 Answers

JL audio 500/1 produces barely any sound


have you checked the input sensor on the amp?

Oct 28, 2008 | Jl Audio 500/1 Car Audio Amplifier

1 Answer

Amp powers up, then shuts down 15 seconds later...


Which lights are lit on top of the amp when you power it up?

Which ones light up during the 15 seconds that it's on?

Are you running a signal sensing system or are you turning the amp on via the remote lead?

Is the signal sensing switch set to on or off?

Sep 02, 2008 | Jl Audio 500/1 Car Audio Amplifier

1 Answer

I bought a 500/1 jl audio amp and also a w7 10 sub


if its cutting off and right back on then check your ground and your power wire makes sure both are connected good and none of your fuse's are blown, either that or you got a wire hooked up backwards in the sub.. but my guess is that the sub is hooked up wrong... that sub should be hooked up in a series or in parallel,

ok if your running just one speaker, it should be hooked up like this and 2 speakers are a different way...

this is parallel :pos to pos , neg to neg, then one wire coming from pos on sub to pos on amp then neg on sub to neg on amp but bridge the amp on your amp should be 2 pos and 2 neg in two different channels take the pos off the sub into the pos on 1 channel and then the neg from sub to the neg on the other channel,

this is series : on the sub it will go pos to neg then the other neg and pos will go to the amp, but make sure the pos and neg r on different sides of the sub, dont hook them both to the same coil

if your need more help give me your email and ill send you a pic of how to do it...


Aug 12, 2008 | Jl Audio 500/1 Car Audio Amplifier

1 Answer

Jl audio 500/1 amp


You may have the amp set to turn on via an audio signal. Set the Signal Sensing switch to OFF.

Jun 13, 2008 | Jl Audio 500/1 Car Audio Amplifier

1 Answer

500/1 and 300/4 jl


Need more info here. did you run power from the 500/1 to the 300/4, or did you run the signal from the 500/1 to the 300/4? Also which amplifier is cutting out for a min...the 500/1, the 300/4, or both? each amp should be wired to a distribution block with 4 awg power wire recommended for each. the amps should also be wired without any capacitor.


Mar 17, 2008 | Jl Audio 500/1 Car Audio Amplifier

1 Answer

JL 500/1 power problem.


There should be a small switch someware on the amp marked VOX or normal. I bet its on vox. if there is no switch then theres a jumper inside the unit to put it into a vox state. Vox Is when audio is at the input the amp goes on and when theres no voltage at the input the amp switches off.

Sep 22, 2006 | Jl Audio 500/1 Car Audio Amplifier

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