Question about Soundstorm Force F2800 Car Audio Amplifier

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Sound Storm F-2800 Amp

I am considering the purchase of the F-2800 amp for my work car which is all factory speakers except the Alpine head unit and I just can't justify spending too much money on it for the use. So I just want to add some low end to the system but also give myself the room for some upgrades for the mid and high ends if I choose to in the future. I'm uncertain about the lower end brands and am very open to some suggestions for other amps around or under the $300.00 mark for the amp itself. As of right now I have picked out two Audiobahn AW1251T 12" subs in a bandpass box, but I?m open for any suggestions there too (Something around the $250.00 mark for the pair). Thanks in advance for any suggestions!!!

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Re: Sound Storm F-2800 Amp

You can you own sound but you have to eliminate the rare channels and use them for your self to conect the Subs and other stuff. Take care for the Power rating and just let the music play!!! Patrick

Posted on Aug 29, 2007

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No sound from amp when amp is powered up, whats wrong? Alpine m-1000 wih alpine deck. Was told something about resetting it but don't know, please help?

There is a number of things that can cause no sound from the amp.

Check to make sure your RCA's are plugged in to the amp.
Make sure the ground and remote are not touching on the amp.
This will cause your head unit to gray out in some areas.
Verify, your subwoofers are in working order.
Test another pair of speakers on your amp to make sure.
If those speakers work, your subwoofers are fried or have come unhooked inside your subwoofer enclosure.
Make sure you have not set the head unit to Surround Sound if you have a DVD player in your vehicle.
This should be set as passive.
Make sure your gains aren't turned down on the amp.
Even if there is a light on the top of the amp, the fuse might have blown.
Make sure a fuse on the amp didn't blow. This will in some cases cause the amp to go into protect and no bass.

Jul 27, 2010 | Alpine MRD-M1000 Car Audio Amplifier

3 Answers

I have an alpine MRP-500 amp that used to work great with my 2 10" Type-R subwoofers. Out of nowhere the sound just stopped working and still will not. I had the amp and subs tested and the guy said it was...

  • make sure the subwoofer level is up on the head unit.
  • Make sure the RCA cables are good.
  • Make sure the remote wire is connected and has 12v+ when the head unit is on.
If the remote wire is not turning on the amp, its not going to work. To hot wire it to see if thats the problem, just run 12v+ to the remote jack. That will turn on the amp.

Nov 22, 2009 | Alpine MRP-M500 Car Audio Amplifier

1 Answer

I have an Alpine M500 mono amp that works great, until you turn up the volume. I can adjust the bass down at the head unit, but at higher bass the amp shuts off. And then comes back on after a couple...

I don't think either, I believe your running theamp load too low with too low an ohm speakers and this cases the amp to produce more power but not stable and it overheats and the thermal protection cuts the amp off when the temp gets too hot to prevent damage.. Make sure your speakers depending on how they are wired do not exceed the amps load rating

Oct 26, 2009 | Alpine MRD-M500 Car Audio Amplifier

1 Answer

Subs have almost no sound coming from them

Hello meow_mix_666,

If you have tried different amps and different subs with the same result, I'd definitely suspect that you are not getting enough of an output signal from the head unit. Checking the RCA's and perhaps using a different set of preamp outs would be a good idea.

One other possibility that you may not have considered is to check the phasing. I've run into speakers that had the markings reversed and running the subs out-of-phase on a 4-channel bridged would make a huge difference in the bass.

Hope this helps.

May 10, 2009 | Alpine MRP-F300 Car Audio Amplifier

1 Answer


Hello korre,

Low output could be the head unit, the speakers of the amp itself. Start by isolating the problem.

1) Test the sub(s) on a known good output.
2) Input a known good signal. A portable with RCA preamp outs will work OK.
After you have eliminated the other components, troubleshoot the amp itself:

1) Check the onboard fuses. The M605 has 2 each 30A fuses just to the left of the power and ground terminals.
2) If it was just installed, then my first suspicion would be a problem in wiring. If one tiny little strand of your speaker wires comes into contact with another wire or ground point, it could present just enough of a signal path to ground out most of your power, and perhaps still allow the amp to seemingly operate normally (at least for awhile). Check power and ground too.
3) Make sure your head unit RCA's are plugged into the inputs and not the outputs.
4) Check the low-pass and subsonic filter settings. If low pass is turned all the way down, the amplifier would ONLY send frequencies below 30Hz to the speakers. Subsonic turned on and the low pass all the way down would effectively result in no sound.
5) Remove the top cover to access the mode controls and display. Check the input level.

If everything checks out, the amp probably has a defective component and needs factory/service center repair.

Hope this helps.

May 06, 2009 | Alpine MRD-M605 - V12 MONO AMP 600WX1 RMS...

1 Answer

I have an alpine head unit and a kenwood 1000 watt amp. I have two 12" subwoofers hooked up to the amp and thats it. I got my tweeters, and door speakers powered by my head unit. The bass was cutting in...

your amp may have burned out or try checking the fuse in the amp and the car also your channels may be burned or you may jus have water damage to the amp

Feb 18, 2009 | Kenwood KAC-7202 Car Audio Amplifier

1 Answer

Amp gets power but no sound

Hello, First of all with these new Alpine amps everithing adjustable just about is digital, as well as the internal workings of the amp to a point. If you bought this amp new then check your warranty or take it back where you purchased it if you can. Check that your amp is getting an input signal from your head unit. Check your head unit sub output settings, something could have gotten turned off or down. On this paticular amp if there is a problem internaly it would let you know or go into protection mode. You say your sub has ben tested and is good, check again. Hook another speaker up to the amp. Unhook that speaker and try, you never know. Like I said, if the amp is'nt going into protect mode and the digital display is'nt telling you any types of faults then it has to be the input signal. Make sure you are getting a signal. That has to be your problem otherwise amp would be in protect mode. Let me know what you find.

Feb 12, 2009 | Alpine MRD-M605 Car Audio Amplifier

1 Answer

Hi, I've just install an alpine power amp with JL 10inch subwoofer, everything seems to be working properly except for the subwoofer

If you have the RCA's running from the head unit to the amp, and the speaker wires running to the speakers then you have it hooked up right. Now If you still don't have any sound then you need to look at the amp to make sure that you have a green light. Still I would use 8 or 10 gauge power wire and then the same for the ground wire, make sure that you have a good ground.


Dec 21, 2008 | Alpine MRP-F250 Car Audio Amplifier

1 Answer

No sound from speakers after mra-f350 connected to alpine w205

Did you set the digital output to the on position on the bottom of the head unit?

You have to switch the head unit off then back on for it to recognize the position of the switch.

Oct 27, 2007 | Alpine MRA-F350 Car Audio Amplifier

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