Question about Rockford Fosgate Punch P5002 Car Audio Amplifier

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I have a p5002 with an 8ohm jl audio sub .is there a way to make it louder even if its already bridged?

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THE ONLY OPTION YOU HAVE IS TO PURCHASE ANOTHER 8 OHM SUB AND PARALLEL IT WITH THE ONE YOU HAVE SO THAT THE AMPLIFIER WILL SEE THE 4 OHM BRIDGE THAT IT NEEDS. AT 8 OHMS YOU ARE ONLY GETTING HALF OF THE POWER TO YOUR SUB. BE CAREFUL AS WHEN THIS OCCURS, MOST PEOPLE WILL ATTEMPT TO COMPENSATE BY TURNING THE AMPLIFIER UP INTO CLIPPING WHICH WILL EASILY DESTROY THE VOICE-COIL AND POSSIBLE DAMAGE THE AMPLIFIER. IF YOU WANT TO USE ONLY OHM SUB, THEN YOU SIMPLY NEED TO REPLACE IT WITH A 4 OHM SUB. MAKE SURE IT CAN HANDLE AROUND 500 WATTS RMS. LET ME KNOW IF YOU NEED FURTHER ASSISTANCE....V

Posted on Jan 06, 2010

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1 Answer

How do you bridge the jl audio 450/4


Nice amplifier. However it is best suited for speakers and not for sub woofers. Connect the plus (+) from speaker output 1 and the minus (-) from speaker output 2. Connect the plus (+) from speaker output 3 and the minus (-) from speaker output 4. Now the amplifier is in bridge mode, which will give you 300 WATT RMS at 4 OHM load. If you are bridging the amplifier to run sub woofers then do not forget to set the X- Over to LPF on the channels that you are planning to bridge. Whatever you do, make sure that the load you are asking the amplifier to play is no lower than 4 OHM. Playing this amplifier in bridged mode lower than 4 OHM is a recipe for trouble.
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I have two kicker cvr 12s how will I hook them up to hit the hardest with a jl audio 500/1


you would want to bridge them you take 2 pieces of speaker wire long enough to reach each sub and connect one side to the box and the other side of wire to the sub then you take your other speaker wire and hook it up to the sub you already hooked it to then run positive and negative to the other sub

Jul 07, 2010 | Audio Players & Recorders

1 Answer

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you dont want to connect both of those amplifiers together. You could run them separately to separate subs or the jl to your sub and your alpine to your front speakers. But you dont ever want to mix and match amps to the same sub. Even if you had 2 jl500/1's you wouldnt want to just hook them up together. Because they both have to be putting out the exact same amount of power. Which no 2 amps are ever exactly the same. Some companies make bridges to properly connect 2 exact amps together. I Hooked up 2 JL 1000/1's to each voice coil on a 13.5 W7 and i smoked the sub. So i definitely dont reccommend doing it unless the amps are conneccted to separate things.

Apr 28, 2010 | Jl Audio 500/1 Car Audio Amplifier

1 Answer

I hooked up my jl audio 500/1 and it turns on but there is no response from the subs.


-Did you verify that you have an input signal?
-Is the amp going into protection?
-If they are bridged mono, are they bridged across the appropriate terminals?
-If there is a subwoofer line out on your head unit is it muted or turned off?

Jan 04, 2010 | Jl Audio 500/1 Car Audio Amplifier

1 Answer

Sub not very loud


Hey buddy your question caught my eye because i have a buddy that was wondering the same thing not so long ago-and im no expert but i have had my run with rockford fosgate amps and a few sonys as well. So first of all if you know fosgates well you know that they ALL put out more power than what they are rated at -example your 400 watt fosgate amp is rated at 400 watts but if you got it new than it came with a birth sheet that shows you how much its really putting out-im just throwing a number out there but its probably closer to 480 actual watts. Now you get the sony amp and it says its a 1000 watts but its all bs -it actually is rated at 400 continous usable watts- so the reason that its not any louder than the fosgate is because you bought an amp with almost identical power output. The other part of the problem is that you are limited by your speaker-you could buy an amp that actually puts out 1,200 watts and plug it right in to your sub and its going to probably blow within 30 seconds or quite possibly catch fire. The numbers when dealing with car audio that you have to pay attention to are the R.M.S. power ratings - never look at the peak or max wattage because its all bs and yea its all bs- As i was saying you are going to be limited by your sub because as it stands right now you cant put much more power on that thing without blowing or roasting the coil. All subs have a limiting factor as to how much air they can move- this is called X-MAX and that tells you how far the speaker cone actually moves from start to peak excursion- once you have supplied the speaker with enough power to reach its x-max then thats it -no matter how much power you put on it it wont move any more air than that-and you will create heat and distortion if you try and thats just begging for a blown sub. If you want it louder than upgrade your sub to something that will move some serious air like a jl audio w7 or orion hcca subs -those subs can get it on like dammmmm or easier than that get another sub and then your moving twice as much air at a fourth of the price of buying a balls out jl w7-anyhow good luck with that

Apr 06, 2009 | Sony Xplod XM-1652Z Car Audio Amplifier

1 Answer

Jl audio 10w6 x zapco350


These subwoofers are dual 4 ohm voicecoils.

Parallel wiring the 2 voicecoils would net a 2 ohm mono load.

Connect both + on the sub to the + on the amp.
Connect both - on the sub to the - on the amp.

Many professionals simply jumper the 2 + and 2- on the sub.... then run 1 set of wires from one of the terminals to the amplifier.


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Jan 27, 2009 | Jl Audio 12W6v2 Car Subwoofer

2 Answers

Amp voltage


Well this is interesting, Let me start by saying if you have a 2 ohm load and your system is set for 4 ohms you are going to overdrive your load and burn up your amplifier, maybe not right away, but sooner or later it will fail due to electrical and thermal stress bought on by power dissipation issues.

Yes you can get 2000 watts out of your amps, but the correct way is to bridge your amplifiers if you can, and terminate them into the proper load.

Thank you,

Shuttle83

Apr 21, 2008 | Jl Audio 1000/1 Car Audio Amplifier

1 Answer

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hi, have you figured out whats wrong with ur amp ...i have the same amp ....and as soon as i finished the connections ...and connect the remote on wire,,, the amp goes on ...making a ticking sound with the green light blinking and the red light staying solid on ...whats the problem please help ....how can i fix this ......my amp is a jl e6450 ....im using a panasonic cd player with a built in amp ....and thats the cd player im trying to connect to the jl amp ...please HELP

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500watts sounds about right to me,i wouldnt go any higher as you risk popping the sub and haveing a melt down in the coil section of the subwoofer.

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