Question about Dual XPA2100 2/1 Channel 300 Watt Amplifier Car Audio Amplifier

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My dual 300 watt amp is in protect mode and will not get out of it. Everything is hooked up properly

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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thesoundman
  • 41 Answers

SOURCE: prower acustic amp in protect mode

1) Make sure the amp is properly connected to +12V power source. 2) Make sure the amp is grounded well, directly to metal - if you have a voltmeter, an easy way to check the first two is to see if there are 12 volts across the power and ground wires. 3) Make sure the speaker output wires aren't touching each other. If none of these are the case, there is an internal problem with the amp and it should be serviced or replaced.

Posted on Sep 21, 2007

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  • 631 Answers

SOURCE: Why does my amp stay in protect mode?

The most common reason an amplifier goes into or remains in protect mode is shorted output transistors. To eliminate other possible reasons for it to go into protect, read the following page.

Troubleshooting - Amp in Protect Mode

Posted on Aug 04, 2008

  • 631 Answers

SOURCE: mmat amp 1200 watt

If the amp is in protect mode, it probably has shorted output transistors.

What model amp is it?

Posted on Aug 20, 2008

  • 21 Answers

SOURCE: protection light

take the amp out and hookit up to the car battery and let it charge then unplug it do this a couple of times then rehook it to the cars audio system it sounds like your amp may be locked..

also check your speaker wires from amp to speaker box then from the back of the box to the speaker inside the box you may have a short..

thats where i would start.. hope this helps

Posted on Dec 21, 2008

  • 77 Answers

SOURCE: 600w legacy amp

9 times out of 10 if your amplifire is in protect mode and evrything externaly, like speakers, fuse, voltage, etc. checks out fine then
either you have shorted out output transistors or power mosfet transistors. Basicly that just about what happens with car amps.
It's easy enough to fix IF, IF you know what your doing. First you
need to check the output transistors with a digital volt meter on diode check, If they check out then check your power supply mosfet transistors. I can almost guarantee this is your problem. Very common. I buy non working amps all the time and repair them. Listen to pbabin also he has helped me out. Good luck

Posted on Feb 12, 2009

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1 Answer

I have 2 10" Kicker Comp Subs


That amplifier is only rated at 150 watts at 4 ohms, or 300 watts at 2 ohms. Not a very strong amp to run 2 kicker comps. My guess is you have the subs wired wrong for your application. There are 2 types of subs, one is a dual 4 ohm, and one is a dual 2 ohm. Most people bridge these coils together and that cuts your ohms in half. For example. Lets say you have the 10cvr104 subs. Thats the dual 4 ohm sub. You wire the coils together in parallel, now its a 2 ohm sub. You have 2 of these subs running off of your amp, if they are hooked up in parallel, now you have a 1 ohm load, out of the amplifiers normal operation. Your amplifiers internals heat up really quick and there is a thermal overload, putting your amplifier into circuit protection mode. My suggestion for wiring your subs is as follows: for each speaker, wire the coils together like this- positive coil1 to negative coil 2 and negative coil 1 to positive coil 2. That is called running in series, and doubles your ohm load. Next, we need to wire the speakers together properly to hook up to your amplifier. For this, since the coils are hooked together, you only need to use one set of terminals from each sub. And take the positive from sub 1 and hook it to positive of amp. Take negative sub 1 and hook it to positive of sub 2. Take negative of sub 2 and hook it to negative of amp.

Aug 30, 2012 | Rockford Fosgate Punch 301M Car Audio...

1 Answer

My stereo in 1997 chevy caviler is turning off and on when turned up to a high volume. I have a sony xplod 52 watt by 4 channel radio. With two 6x9 sony xplod 50 watt rms and 300 watt peak power in the...


Most likely cause is heat. The clearances behind the radio are often not sufficient to provde the proper air coolling that the higher power radios need. The heat sinks on the rear of the radio require a certain amount of air flow to dissipate the heat generated under high load conditions. If you add summer heat to the equation, you can have the radio going into thermal cutout to protect it circuity.

May 27, 2011 | 1997 Chevrolet Cavalier

1 Answer

I have my amp hooked up right to two 12 inch subs but the red protect light comes on wht does this mean?


Check all your cable work.
Power is connected tight? Ground is attached tight - on both ends (my guess is it is the ground) Remote cable?
Is the ground a proper ground?

Mar 01, 2011 | Dual XPA2100 2/1 Channel 300 Watt...

1 Answer

I have an Dual brand 300 watt amplifier that I just bought and I hooked everything up right (battery---power, ground----sanded metal, bypassed remote with toggle switch remote-----+terminal on switch...


Is your toggle hooked to ground? Hook your toggle switch to the battery and then the other end of that toggle the remote input on the amp.

Aug 15, 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

Stuck in protect mode


alot of times you get one that the reset button is not resetting properly or if bought used then someone poped a part on the board a cap or fuse or diode its kind of hard to tell if not looking at unit

Jun 26, 2009 | Dual XPA2100 2/1 Channel 300 Watt...

2 Answers

How do I fix the problem so they work again.?


A 1000 WATT AMP HAS PROBABLY GONE INTO PROTECTION MODE BECAUSE YOU ARE TRYING TO RUN 1600 WATT SUBS COMBINED

Jun 08, 2009 | Car Audio & Video

1 Answer

Amp goes into protection


make sure the impedance is right for the amp you're using. If you're using a 4ohm amp and a 2ohm sud that may be the problem. It may be overdriving the amplifer which is bad and can cause damage to the amp. Hope this helps.

Jun 01, 2009 | Kicker 12" Solo X Subwoofer S12X - 5000...

1 Answer

Boss chaos 150 200 watt that shows light but doesn't produce sound


If this is the CH150, it's not bridgeable. Try connecting it normally (one speaker per channel) to see if it will produce output.

Dec 05, 2007 | Boss C150 Car Audio Amplifier

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