Question about Competition INTERFIRE BIG BOY 2CH AMPLIFIER IFHB-23340C Car Audio Amplifier

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No bass my amp when its hooked up 100% right it has power the blue lights light up but no bass all fuses are good but there is a light on it that lights up red and says protection on what does this mean?

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Could be the speaker its hooked up to . try to disconnect the sub and see if the protect light goes out

Posted on Feb 06, 2010

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Amp power dips when heavy bass drives my speakers, at low volume, the blue light flickers with the beat of the music. i suspect that the amp itself is the fault. tried a different amp.


Suggest connecting with a fuse to a car battery. The current available from a ATX power supply is about 10 amps for the 12 volt circuit(see link).

For a 100 watt per channel amplifier would require a minimum of 17 amps for a RMS (root mean square/average) It is the peak power requirement which is significantly more that can be the problem.

ei http://web2.murraystate.edu/andy.batts/ps/PowerRatings.htm
26262737-5ntl554mom5lyewa1raj0eax-1-0.gif For a typical high output stereo the fuse would be 40 amps or more!



26262737-5ntl554mom5lyewa1raj0eax-1-2.jpg Hope this helps?

Aug 19, 2016 | RCA Car Audio & Video

1 Answer

Internal fuse


Amps getting power that's good it seems as though either you have a cross in your bridge or you fried your amp

Apr 02, 2014 | Hifonics Car Audio & Video

1 Answer

No protect light or power light comes on w/my american legacy 800watt 2channel amp


is the blue trigger wire connected from cd player to amp? fuse? check earths connections also.. if its wired correctly the light should illuminate otherwise there may be a problem?

May 14, 2012 | Car Audio & Video

1 Answer

The main problem I have having is I am getting power to my AMP but no power to the subs. I tested my AMP and subs in another car and everything worked so I know my hardware all works fine. I had someome...


okay , well you need to make sure all your conections are in the right spots, and that your IN LINE FUSE, between your amp and battery, the big glass one is not burnt, just take a look at the metal piece inside , if its a sold metal piece its good, if its burnt in half like a broken bridge it needs to be replaced. the next thing is the fuse on your amp, you need to make sure it is not burnt also. Check your remote that it is hooked up to the right wire. then check that your sub/speaker wires are connected properly and secure. YOUR GROUND WIRE IS HUGE HERE also. MAKE SURE IT IS GROUNDED TO A GOOD SPOT, YOU MAY HAVE TO MOVE IT AROUND A FEW TIMES TO FIND A GOOD GROUND!!!! if you check all of these things, it should work fine.. you can fiddle with your amp and bass settings levels. turn em up so when it works you know it, but not too much you dont wanna blow nothing :)

Mar 12, 2010 | Car Audio & Video

1 Answer

Amp burned out but fuses still good?


this is caused by inproper wiring from the speakers/subs to the amplifier.. an amp will still put out power to subs and speakers when it's wired improperly but it won't last for very long doing it... 6 months is longer than usual....

Dec 05, 2009 | MA Audio M1900XE Car Amp

1 Answer

New amp


Something is def. wrong. did you check the fuses on the amp after the light went out? probly have a bad connection somewhere. check ground wire and power make sure they have a good connection and arent cut up and shorting out.

Oct 21, 2009 | Pioneer Car Amplifier GM-7100M - Mono Bass...

1 Answer

Amplifier wont move subs


I dont know if this will help you but start at the deck and make sure that the outputs(RCA) arent crossed over to highpass and do the same at the amp make sure that its set for lowpass- set half gain -bass boost half gain- subsonic minimum - If that doesnt help try using an i pod with an adaptor that you can play it right into the amp this is to see if you are getting signal from the deck to the amp if it doesnt work with an i pod or mp3 plugged directly into it then you may have got you a blown amp going on- good luck with that

May 29, 2009 | Alpine MRP-M1000 Car Audio Amplifier

1 Answer

Green light turns red on hard notes with kicker 750 mono amp


First off, never, ever replace a blown fuse with a bigger one (especially one that is almost twice as big) unless it's an absolute emergency. Most of the time, the reason a fuse blows is because of a problem with the device (in this case, the amp). By installing a larger fuse, there's a very good chance the problem will become permanent (i.e. busted amp).

The amp could be going into an overcurrent mode when the bass hits and power cycling itself to try and reset the problem. If this is the case, take it to a local electronics repair shop and see what they can do.

It's also possible the input voltage to the amp is dropping too low during the bass hit, making the amp restart. Try putting a 1.0F or higher capacitor on the battery to buffer the power during the bass hits.

Mar 16, 2009 | Kicker (ZX750.1) Car Audio Amplifier

2 Answers

No audio-amp protect light come on then went


You need to check the DC voltage across the B+ and ground terminals. You also need to check the DC voltage across the remote and ground terminals. If the voltage is less than 11 volts, you need to check the B+ supply and remote wiring for breaks or open fuses. You should also check the ground connection to confirm that it's not loose.

 

If the voltage is OK, the output transistors are likely shorted.

Oct 21, 2007 | JBL GTO75.2 Car Audio Amplifier

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