Question about Rockford Fosgate P3001 Car Audio Amplifier

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Subwoofer installation I am installing my subwoofers, and I am using an output gain convertor and I am getting no sound from my subs at all.

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  • dockworker1 May 13, 2008

    what do you mean by adjustment?

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CHECK THE ADJUSTMENT ON THE CONVERTER

Posted on May 13, 2008

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Will a pioneer receiver vsx d309 run 2 8 ohm speakers and 1 jl audio w3


It will drive the speakers but not the subwoofer. U need to connect the subwoofer pre- output from your amplifier to another amplifier that will drive the subwoofer.
If you connect the subwoofer directly to your amplifiers speaker output it will force the subwoofer to play the entire spectrum of frequencies (not designed to do that) consequently causing damage to the sub and maybe even the amp. So use the sub pre out.

hope this helped

....andy....

Dec 29, 2013 | Pioneer Car Amplifiers

1 Answer

I had Rockford Fosgate P300-1 Amplifier installed professionally with a Kicker CVR10 10 in Subwoofer in 2010 Comaro. My problem is that it causes an odor in my car. I took it back to Mothers window tint...


your kicker cvr subwoofer should have a max power of 1600 watts therefore your amp is not too much for the sub because the p300-1 amplifier has a max output of 900 watts. if anything your amp would not be enough to produce max power out of your subwoofer. your sub should not produce an odor unless you have your amplifier bridged which doubles the watts pushed to your subwoofer and if that is the case your amp is pushing 1800 watts to a 1600 watt sub which could be causing it to fry or possibly blow soon. other than that if thats not the case there shouldnt be a problem.

Dec 31, 2010 | Rockford Fosgate P3001 Car Audio Amplifier

1 Answer

Can i use my jensen jxp340 amp with my one 800watt 12" 4 ohm subwoofer?


Yes, technically you can, however you will be putting both your sub and your amp at risk. One of the worst things you can do to a sub is underpower it. The easiest way to explain it is n ot giving enough power to the sub leaves it starving for power. The motor structure ends up working too hard to try and move the cone properly and what happens is the sub will usually seize up rather than blowing out in the term you usually hear (ie, I had my system cranked up and I blew my subwoofer).

Secondly, in an attempt to get any real sound out of the under powered sub, you'll probably end up cranking the gain and bass boost on the amp which ends up overworking the amplifier quite a bit and can in turn lead to fried out amp chips, burnt up circuit boards etc.

Thirdly, by maxing the gain bass boost you're going to end sending a lot of distortion through your subwoofer in an attempt to get some decent bass. Distortion kills both subwoofers and speakers alike.

So to answer your question, yes you can hook up your subwoofer to that amp and yes, it will probably play for a while but I wouldn't recommend it. Look for a class d or mono block amp to push your sub as these will give you the most power and best heat dissipation. They are designed to push subwoofers specifically and you will get better sound and longer life out of your equipment. A good rule of thumb is look for an amp within 100-150 watts of both your RMS power handling and your Peak power. Remember, when it doubt, always go a little bigger on the amp side of the spectrum. It's easy to "tune down" an amp by having the gain and bass boost at a lower level (50%, 25% etc), than to turn 'em all the way up just to get some bass and end up prematurely blowing out your sub, amp or even worse, both.

Dec 01, 2010 | Jensen JXP340 Car Audio Amplifier

1 Answer

NO BASS!!


1) Check the Subwoofer for continuity - At the subwoofer, one at a time, test the terminals for Continuity using your Digital Multi-Meter; if your DMM doesn't have a Continuity test, use the Resistance, or Ohms, test and check for Resistance in the Subwoofer Coil (be sure to disconnect the subwoofer wiring before performing these tests).
2) If they test out good, hook the wires back up and test the terminals at the terminal cup or at the Amp hookup if you didn’t use a terminal, don't hook it up to the amp yet. Sometimes the wiring inside the box can be a problem if it has come loose, or isn't making a great connection.
3) If you have a Sub or multiple Subs with Dual Voice Coils, or multiple Subs with Single Voice Coils, make sure your wiring is correct by checking here:
http://www.the12volt.com/caraudio/woofer_configurations.asp
4) Make sure there are no Hi-Pass filters, crossovers, or multi Channel switches enabled.
5) Replace your RCA cable/s with known working RCA cable/s from the Source/Head Unit to the Amplifier/s.
6) Check your Head Unit settings; make sure the Bass is turned up and/or the Subwoofer setting is turned On.
7) If you are still getting no or low output, try plugging in an MP3 player or CD player using a headphone to RCA adaptor and check for sound output. If there is still no or low output, your Amplifier outputs are probably burned out.

Jul 18, 2010 | Jl Audio 300/2 Car Audio Amplifier

1 Answer

Car subwoofer wont play loud


You blew up a channel in your amp. Being that it's a Pioneer amp, I would throw it away and get another.

Sep 08, 2009 | Car Amplifiers

1 Answer

Output problem


dude TRUST me what you are using and have setup already is plenty..ONE TIP...of all things anyoine ever needs to worry about is the R...M....S power rating...the PEAK means NOTHING! its safe and fine to use what you got.

Jul 02, 2009 | Jl Audio 250/1 Car Audio Amplifier

1 Answer

Sony XM-1652Z


What head unit do you have?
Is there a dedicated subwoofer output?
If not, have you switched the rear output to sub output?
Is the amplifier set to LPF (low pass filter), and the gain turned up?
Many things can be wrong, but the fact that there is anything coming out of the subs is a good thing.
Start at the beginning - Head unit, then check amplifier gain/crossover setting.
If you are using a hi level adapter on factory radio, is the Bass on the radio up? is the output gain on the convertor up?

Jan 13, 2009 | Sony Xplod XM-1652Z Car Audio Amplifier

1 Answer

Sub power hadling capacity


Yes. If the rated power is 380W and the Max power is 1000W then it will handle it. Subs fry when clipping occurs. Clipping is when the amplifier is pushed past its capabilities and the output to the sub gets "dirty". The better quality the amp, the safer it will be on your speakers. It is also important to remember that the gain control on the amplifier is NOT a volume control to boot the sound, it is only to match the output from the headunit to the input handling of the amp. Cranking the gain up too much WILL CAUSE CLIPPING.

Jan 04, 2008 | Sony Xplod XM-1652Z Car Audio Amplifier

1 Answer

Amp is on, Subwoofer works, but no sound.


here is a short test you can try, remove the rca audio cable from the amp & connect a diskman or toher audio o/p device that you can hook up with the same rca wires, turn on the amp & see if you have sound. you can also remove the speaker wires from the sub & using multi meter read the ohm's of the sub, most subs are 4 ohm. Hope this help locate your problem

Oct 24, 2006 | Pioneer GM-7200M Car Audio Amplifier

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