Question about American Pro VS1405 Car Audio Amplifier

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American Pro VS1405

Okay so i have a American Pro VS1405 and it works really good until it gets super hot and turns off. I heard a cooling fan will help but would i put the fan inside the amp or what??

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  • sgates88 Jan 27, 2009

    Its 800w and my sub is 550RMS

  • sgates88 Jan 27, 2009

    hmm idk where can i find that at??

  • blueextc3221
    blueextc3221 May 11, 2010

    Your subwoofer's make and model # and how many you have in service.

  • blueextc3221
    blueextc3221 May 11, 2010

    Load = resistance to energy flow.... not power.

  • blueextc3221
    blueextc3221 May 11, 2010

    What is the load on the amplifier?

    Sounds like you are over-driving it.


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Sounds like the thermal protection on your amp is doing its job. You can put an external fan in to help in cooling, like the crossflow type shown here, or a couple of muffin fans like these (look familiar?). You may have fashion a bracket to mount the fan(s), but that shouldn't be too much of a problem. Many fans are shipped with mounting tabs attached.

Posted on Feb 13, 2009

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It wont get power

Check the primary fuse on the positive amp wire usually located near the + battery post. Also check any onboard fuses. If these check OK, make sure the remote lead has 12V+ on it when the head unit is turned on. If these all check out, the amp is most likely defective.

May 16, 2010 | American Pro VS1405 Car Audio Amplifier

1 Answer

Amp wont produce sound when car is on only when car is off it works

Ok do this little experiment when you turn on the car again disconnect the amp turn on wire from the amp. then get a small wire then strip back both ends with a wire stripper only exposing enough for the copper wire to show. then touch one end to the 12volt on the amp and touch the other end to the amp turn on terminal. The amp should come on and the sound should come on. Your problem then is your amp turn on connection is wrong and may be connected to the power antenna wire which may not be able to handle the load and shuts off so I suggest connecting it to the ignition wire so whenever the radio is on that wire will send 12 volts to the amp to turn it on. Sometimes On the back of the radio harness there are two blue wires. One is Blue and the other is blue white. Always connect it to the Blue white cause thats the amp turn on wire. The solid blue wire is the power antennna wire. Also possible the blue/white wire is sending a weak 12volt signal so just connect it to the red wire which is the ignition wire. Dont connect it to the yellow wire because thats constant 12 volt. If you connect it there the amp will always be on and drain your car battery and you might hear big loud buzz sound when you turn off your car.

Apr 07, 2010 | American Pro VS1405 Car Audio Amplifier

1 Answer

How much rms dose an american pro vs 1409 put out

I used to have a similar model, vs1405, and it was advertised to have 600w max. Its rms ratings were 260w bridged @ 4ohm. and 80x2 @ 4 ohm.
So I really wouldnt expect much.
I would personally suggest the HiFonics Brutus. Very nice amps for the price, and have TONS of power.

Oct 26, 2009 | American Pro Car Amplifiers

1 Answer

Once playing, after about fifteen minutes of playing. it over heats and cuts off until it cools down.

Your problem could have more than one solution. The first problem could be the way your speakers are hooked up. Speakers hooked up in parallel lowers the resistance and some amplifiers overheat with a speaker load of 2 ohms or less. Another problem you could have is not enough ventilation for your amplifier to remain cool. Fifteen minutes of play time suggests your amp is getting hot really quickly. You might even need to install a cooling fan where your amplifier is located. Hope this helps.

Jul 08, 2009 | Sony Car Amplifiers

1 Answer

Car amp

I believe the answer is both. The amp gets too hot and cuts off the circuitry and causes the amp to go into protection.
Your amp is only designed to run at 2 and 4 ohms. What you need to do is check out this site and run your subs at a 2 ohm load.

If your subs are dual voice. Run + to + to +, - to - to - in box. Run + and -, + and - to amplifier in stereo. Your amp won't shut off anymore.

Nov 08, 2006 | American Pro VS1405 Car Audio Amplifier

1 Answer

How to fix my amer.pro1000watt amp which has a burnt fuse an doesnt put out music

You blew the output transistors. They all need to be replaced. Check this for more info:

Aug 14, 2006 | American Pro VS-2043 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

Jul 24, 2006 | American Pro VS1405 Car Audio Amplifier

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