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

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Amp will not turn on

I have an interfire if 4700b and it will not power on I switched the amp and it turns on

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  • Anonymous Mar 30, 2014

    I would like to know how many watts is the ib-4700b interfere amp an how to adjust the frequintsys

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  • 2 Answers

Check all conections, check any fuses,it might be the amplifiers power supplys shot

Posted on Jan 09, 2009

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2-12 inch kicker comp 4ohms each to conect to a interfire a700.2 amp best wire setup so i dont keep getting a protection led when volume i increased...thanx n advance.


Turn the gain down and try that, usually 25-40 is all you want.

Also make sure the AMP is well ventillated, or it will overheat and cut off...

Id no - go, then wire it without a bridge, two wires from each channel to each speaker.

Jun 17, 2014 | Car Amplifiers

1 Answer

Without remote wire how to connect to head unit


If your head unit does not have an output for remote amplifier turn on, you can also use the power antenna remote turn on and run that wire to your amp. Or you can run a small 14 gauge wire from your battery along with your amp power wire, just make sure you put an inline switch somewhere in your dash area. This will give you the option when to have your amp on. 14 gauge wire from battery, to switch, from switch to remote turn on at amplifier. Switch will turn on and off amp. Make sure you turn switch OFF whenever you turn car off or you WILL kill your battery.

Aug 10, 2012 | JBL Car Amplifiers

1 Answer

No bass


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

Feb 06, 2010 | Competition INTERFIRE BIG BOY 2CH...

1 Answer

What kind of noise it will bang or should i go with class d amps


If you run a pair of subs to each amp at a 4ohm bridged load per amp you will get the full power of the amps delivered to your subs-roughly 450 watts per sub as punch amps are all under rated-that sh%&t gonna bump hard - thats an incredible setup from an equipment standpoint- i run 1600watts on a pair of 15z and its freaking obnoxiously LOUD and yours will be moving more air than my 15s so it should be just mind numbing - go for it !!!!!!!!

Jun 04, 2009 | Rockford Fosgate Punch 800a2 Car Audio...

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How do i install an interfire IB2400c amp?


Hello blown1914,

That appears to be a good amp and should power your subs with no problem.

You will want to install a line-level converter to your stock speaker outputs and use RCA cables to the amp. Here's a link to SonicElectronix line-level converters. The PAC SNI-35 is OK if your stock radio has a remote turn-on lead. If not, you should probably look at the PAC TRUNK-LOC. It still a 2-channel line output converter but also includes a trigger output to power on your amp.

http://www.sonicelectronix.com/cat_i331_line-out-converters.html

I tried Interfire's web site to see if they have a downloadable manual for your IB2400c amp. I could not find it, so it may be that it is no longer in print or no longer available.

You may want to go to their support page (link attached) and send them an email.

http://www.interfireaudio.com/contact.html

Hope this helps.

Apr 12, 2009 | Car Amplifiers

4 Answers

Amp turns off


Sounds like remote turn on wire is bad. If using aftermarket HU, find another location to power amp. Try the the power antenna wire on the HU to run the REM.

Jan 24, 2009 | Pyle PLAM1200 2-Channel Car Amp

1 Answer

Jl audio 500/1 amp


You may have the amp set to turn on via an audio signal. Set the Signal Sensing switch to OFF.

Jun 13, 2008 | Jl Audio 500/1 Car Audio Amplifier

1 Answer

Power Problem, LED Lights up and then shuts off


Do you have the switch or activate wire on the new amp. to the right hookup? If you do, then theres a problem with the amp and if your not a tech these can be a difficult thing to trouble shoot. Take back the amp or seek out a pro to test it on a bench. Good Luck

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