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My amp has power, but my subs don't put out sound, what should I do?

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Check you rca signal ,and you spkr if they are good and make sure all connection is right

Posted on Jun 26, 2009

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I have a hifonics Zrx1200.2 amp. I am running 2 Rockford fosgate p3 12s with it. The specs on amp and subs match perfect. So I have everything wired correctly, it least I sureeee think so. Subs are dvc...


u could just not have enough battery power or the load on the amp is to much. if the amp is in stereo mode it should work but if it is in bridge mode the ohms would be to low .. best thing is to get a sub amp with a 1 ohm stable capacity.. and you amp should be at least one third more powerful than the subs..eg: if the 2 subs is 1000 w each the the amp should be 2500 rms and up to prevent the amp from maxing out and over heating etc.

Jun 09, 2013 | Car Audio & Video

1 Answer

I have a 12 inch Klipsch synergy series sub. for my surround system and want to put my JL audio 12w6 speaker in the box, will the amp drive the woofer or is the ohms a factor?


ohms is a big factor. also it will probably take more power to drive the W-6 so it won't sound as good. I suggest you don't do it. especially if you can't match up the ohms. You will fry the amp, or it will sound like ****.

May 19, 2012 | Car Audio & Video

1 Answer

I have a kenwood amp. The fan is running but no power is running my subs. I have changed all fuses and checked all connections but it still will not turn on how do i solve thus problem?


Check your subs. Make sure they are not toast. Sounds like the amp is on, but it seems like its not working, when it could be your subs burned up. Push on them, and if they don't move and are rock hard you cooked your subs.

Other things it could be.
  • Bad RCA cables.
  • Incorrectly wired subs.
  • Amp in protection mode(must disconnect power to amp for a minute to reset)

Aug 08, 2011 | Kenwood Car Audio & Video

1 Answer

I get a pop from the sub when the power comes on.


This is caused because the stereo you have put in, is a high power output, or higher than the factory and puts that extra power into the factory amp systems causing the amp to surge the power to the speaker resulting in the pop sound,most newer cars use a stereo system without an internal amp so as to reduce heat and a external amp in usually under a seat or dash and a high power stereo boost the output of the amp.

Sep 27, 2009 | Car Audio & Video

1 Answer

Wheres the power.. No bump


it might be that your subs are too powerful for the amp, check the model of the sub or subs online and check out how many watts they can take, because you might need to upgrade your amp or downgrade your subs

Jul 03, 2009 | Alpine MRP-M450 Car Audio Amplifier

1 Answer

Amp problem


depends on what subs you are using that amp puts out a max rms of 150 watts x 2 no kicker brand sub will run of that low of power. the fading you are hearing sounds like the amp is being overdriven and it is hard clipping because it doesnt have enough power for the subs. that amp is designed for mids and highs.

Jan 09, 2009 | Kicker 04KX350.4 Car Audio Amplifier

3 Answers

Adjusting wattage on kenwood kac 9103 class D mono amp


That amplifier is 900W x 1 @ 2ohms.
If your subs are 4ohm SVC wired Parallel, resulting in a 2 ohm load, each sub will only see 1/2 of the rated power. (450W ea.)
Your gain (sensitivity) setting should be between 75% and 85% to max. You will be fine.

Jan 02, 2009 | Kenwood KAC-9103D Car Audio Amplifier

1 Answer

Amp light is on but doesn't put anything out to my subs


if you are sure its the amp. the problem is internal. but if your not sure, try a different stereo or source of sound to the inputs of the amp. if there is still no sound than it is the amplifier and it could be a number of things.

Jan 07, 2008 | Alpine MRP-M450 Car Audio Amplifier

1 Answer

Subs


What kind of subs, are the duel voice coil?


is just run normal series and see if you get sound, series will alwase give u sound

Don

Jan 02, 2008 | Alpine CDA-9833 CD Player

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