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My infinity kappa five amp quit working. Does not power up. I checked main power fuse and made sure power is getting to the amp and grounds are tight. ??

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: Problems with Infinity Amp 611A

are you running a large ground wire directly to the battery negative terminal?

Posted on Jun 03, 2007

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  • 33 Answers

SOURCE: no sound out of subs

Check the ohm of your soeakers again. If it doesn't say 2 ohm thats the prob. Keep in mind that 2 ohm can be any where from 1.7 too 2.3 but any reading on you DVOM that gives you two decimal places is also wrong. i.e. 2.17. This would mean that you have a woofer shorted.

If thats not it and you have already fixd a ground then use your meter to check the ground; to do this set the DVOM to ohms and touch one lead to a true gound, by that I mean scratch the paint and primer off of a spot you can hide untill you see bright mirror like metal. Then disconnect the ground wire from the amp and touch the other lead to it. You should read anything from 0.3 to 0.1 any higher and your ground isn't that great.

If thats not it, The only thing left is to hook the amp up out side of the vehicle away and not connected to ANYTHING that has to do with the car. Get a battery and a diskman or a playstation, anything that can pass sound out of RCA's (Maybe even a diff radio if poss). Hook it up. If it works its in the car and let me know. I'll tell you some more to check, If not its the amp. Good Luck

Posted on Dec 03, 2007

  • 631 Answers

SOURCE: Audiobahn A8002T

The most common cause for an amp to go into protection is shorted output transistors. To eliminate other possible causes, read through the following page.

Troubleshooting - Amp in Protection

Let me know if you have any other questions.

Posted on Jul 23, 2008

yungdub
  • 93 Answers

SOURCE: sony xplod xm 200gtr

Either You Fired Your Amp Or Wires, If You Got The Money Replace The Wires, Also Trying Grounded Your Ground Wire To Something Else.

Posted on Jun 14, 2009

bigTROY502
  • 129 Answers

SOURCE: Amp in power protect

A blown speaker will trigger the protect mode, sotry to power upthe amp with the speakers disconected, If you are still in protect, then the amp is bad.

Posted on Aug 08, 2009

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1 Answer

I need a power cord for a infinity kappa 255a amplifier can you tell me where i can find one


hi Frank.
if you go to this link have a scroll down the page and have a read up on what has been said about the amplifier you are talking about.
Need power plug for infinity amp model 255 .
plus i am finding out that you try ebay might help you but its not called a power plug.
they are calling it a WECO connector..or.. U need to buy a cable, usually red and has a fuse. .
or call the manufacturer.

Nov 22, 2017 | Infinity Car Audio & Video

1 Answer

I have a kicker zx350.4 for door speakers and the amp keeps cutting off once the bass hits hard or i have it aloud , once i put the volume down or bass low it comes back to normal and amp doesnt get hot at...


kappas are 2ohm. You are running that amp at 2ohms stereo on front and rear channels. That is a nice amp, but it is a thirsty one. If you have a sub amp as well, then you are not supplying your amps with enough power. drop down to 0 gauge and see if it heats up anymore. Also, try going high pass if you have subs. If you don't have subs. You need to run 4 gauge and make sure you have a great ground.

Oct 31, 2014 | Car Audio & Video

1 Answer

I have a kenwood excelon xr-4s amplifier and in channel 1 and 2 i have front speakers, in 3 and 4 i have a infinity kappa doble coil 4ohm each coil. When i turn it on loud it shut down the amp and start on...


Since you have two dual 4 ohm voice coil subs, hopefully you had one sub wired in parallel to each channel separately (one sub on 3, one sub on 4). That way, each channel gets 2 ohms. If you have both subs bridged across channels 3 and 4 (left + and right -) then you have applied a 1 ohm load to your amp, which would cause the problem you're having. It's possible the amp has been damaged, but the fuses on the amp should have blown to protect the amp. Check your sub wiring to make sure you don't have a 1 ohm load bridged across channels 3 and 4. Also check the fuses on the amp itself to make sure neither of them have blown. If everything is fine there, check your fuse under the hood that's connected to your battery. That fuse could have also blown.

Nov 14, 2017 | Car Audio & Video

1 Answer

I have a 2002 Chevrolet Camaro with the Monsoon stereo system, The front speakers take four wires. The Infinity Kappa 62.7i were the perfect speaker, but they stopped making them. I do not want to put...


one of those wires on your speakers is the common ground for both sets of wires in your camaro, Just take the negative wire from both sets of wires and run it to the single wire on your new speakers. The other 2 are positive from each wire. good luck

May 24, 2010 | Infinity KAPPA 62.9I Car Component System

1 Answer

I just bought a 98 concorde lxi and no sound coming out of the speakers, radio comes on and shows channels just no sounds


Hello georgouseyes,

The problem could be in the output from your receiver to the amp or in the amp itself.

First check to see if the amp powers up. If it doesn't, check the main power fuse (usually located under the hood near the battery). Also check the power and ground connections on both ends.

If the main fuse checks OK, check both onboard fuses. There's 2 35A fuses on the far right.

If the amp powers up OK and the onboard fuses are not defective, it's possibly the output from your receiver or line output converter. Replace the RCA cables with a known good pair. If there's still no sound, I'd suspect that the amp itself is defective.

Hope this helps.

Oct 17, 2009 | Infinity 475A Car Audio Amplifier

1 Answer

I have 2 infinity kappa speakers in the rear deck of my car. i had a stereo system in the trunk but it didnt really do much except throw more bass in with the music even then it wasnt that much bass. i...


You sold the subs, or sold the infinity kappas? After selling a sub system it is often more than disapointing to go back. It often does sound quiet. You can either deal with it for a couple months until you get used to it, or I'd go with a set of MB Quart to replace your kappas.

Oct 08, 2009 | Infinity KAPPA692.9I Coaxial Car Speaker

3 Answers

Need power plug for infinity amp, model 255 a


car amplifiers don't use power plugs? U need to buy a cable, usually red and has a fuse. You probably want a 4 gage wire and u cut it near the battery and place a fuse in there and then follow the rest of the lead to the amp. Make sure your amp is grounded first!

Jun 29, 2009 | Car Audio & Video

1 Answer

Amp blows main power fuse..


No "fault" lights? If not it HAS to be a connection...whether they look bad or not, Redo them, ground FIRST.
Good Luck

Jun 21, 2009 | AudioBahn A8002T Car Audio Amplifier

1 Answer

Speakers cut out when i turn up volume.


check your ground if its not grounded good your amp will power down!

Jun 05, 2009 | Pyramid 4 X 10 SPEAKERS Car Speaker

1 Answer

Lack of power, or bad amp?


Check your ground. Its just as important as the power supply. Take off any paint, good ground means good power, check the fuse on the amp and any connctions to the battery other than that i would exchange it

Feb 10, 2009 | Infinity 475A Car Audio Amplifier

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