Question about Jensen JPA460 Car Audio Amplifier

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Amplifeir keeps turning off

I have a jl slash series amp that keeps turning off when the amp is turned up. And when you turn it down the amp will sometimes kick in and be real loud but only sometimes when the main volume is down.

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HI K-****, Adjust your Gain setting to limit just enough so the amp does not go into Protect mode.

  1. Turn your Gain all the way down,
  2. then crank up the bass from your system.
  3. GRadually turn up the gain until you trip on protect.
  4. Turn the gain back a notch and your set for no more protect.

Posted on Nov 05, 2007

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Posted on Jan 02, 2017

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1 Answer

Have a jl audio 500/1 the red light blinks and no other light turns on. whats the problem with it?


I think you might have your remote turn on from your deck to amp hooked up wrong check that out!! I not are you familliar with the mr. butterworth crossover JL developed for that series of amp? Just like its big nrother the 1000x1 class D the built in smart crossover has many built in pretect modes. If your subs are drawing to much power it shuts down if they draw to little of ohms or to many but that 500 is 1 ohm stable so download the crossover settings from JL and go from there

Apr 28, 2012 | Jl Audio 500/1 Car Audio Amplifier

1 Answer

I have a jl audio 500 1 slash series the amp would cut on and off every now and then and when it is off i check to make sure power is getting to it and it is getting the full 12volts what could be the...


I had this same issue when I moved the Amp from one car to another.

I did not use the required 4 AWG wire for the Power connection. In my original car I had.

Replaced it and with the correct AWG and it the problem went away.


So check the Gauge wire your using. I tried to be cheap and it was a pain.

Dec 24, 2010 | Jl Audio 500/1 Car Audio Amplifier

1 Answer

I have a jl audio slash 500/1 series amp, and it keeps blowing the fuse. am i using the right one? which one should i be using?


if its the fuse in the fuse link then you should be using the a 50A fuse thats if on your amp there is fuses that total 60A when you add it up and if it still blows then you might have a short in the power wire between the battery and the 50A fuse

Aug 01, 2010 | Jl Audio 500/1 Car Audio Amplifier

1 Answer

My amp only powers on it gives no power to my subwoofers


1st check to see if the RCA's are plugged in if they are make sure the speakers are plugged in. Check at the amp and at the sub Alson check the input voltage switch. JL Audio Slash series amps have a high/low switch for your input voltage. And the last thing I can think of is if your using a remote wire to turn the amp in make sure the signal sensing switch is off. If your not using a remote wire turn it on....Hope this helps

Mar 29, 2010 | Jl Audio 250/1 Car Audio Amplifier

1 Answer

I am wondering what amp i would need for 2 JL Audio W3v3 - 2ohms. I am looking for something around 200. SHould I go with the Mono block and how many watts?


well you can go a couple different directions. you can wire them parallel or in series. parallel will get you down to about 1.3 ohms at the amp and series will get you close to 4 ohms. you need an amplifier thats stable at either of those impedances. the lower the resistance (impedance) the more power your going to get to the subs. I manage an electronics store and specialize in mobile audio/video. we are a 'Signature JL Audio Dealer' so i like to say i know the product line very well. JL makes an amplifier that is stable from 1.5 to 4 ohms and will put out the same amount of power at any impedance in that range which is really nice. Its called their 'Slash Series' you are looking for a JL Audio 500/1 amplifier. Grab an 8 gauge amp kit (4 gauge would over do it) and wire 'em up. Enjoy!

Mar 17, 2010 | Jl Audio 10W3v2 Car Subwoofer

1 Answer

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

Jun 11, 2009 | Jl Audio 250/1 Car Audio Amplifier

1 Answer

Trouble with jl amp


well start with. turn your hi pass completely off. Turn your bass boost completely off. Turn your input gain copletely down. and turn your cd player to about 3/4 of what you listen to it at. Then turn your input up until it starts to sound a little dirty(distortion) then turn it down a notch. set it at a 80 herz filter so it allows nothing over 80 herz to come through. I just installed one of these jl amps a week ago. 1400.1 and it made two kicker cvt's sound amazing just have to set it just exactly like i told you. it will hit tight as hell and loud and it will hit all frequencies way better.

Jun 09, 2009 | Jl Audio 1000/1 Car Audio Amplifier

1 Answer

Jl audio 1000/1 low voltage -keeps shutting off at high volume


You should definitely upgrade the power wire to the sub amp to 4 gauge -absolutely your choking your amp its starving for current-poor thing is starving !!!!!!!

Apr 16, 2009 | Jl Audio 1000/1 Car Audio Amplifier

1 Answer

Jl amp


the overload protector of your unit it so sinsitive try to cutof the overload relay and then observe 20 min. monitor the allominum heatsink the temp. normal

Aug 27, 2007 | Jl Audio 250/1 Car Audio Amplifier

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