Question about American Pro VS1404 Car Audio Amplifier

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Not sound i got a america pro model vs 1404 amp and i hook it up with right but not sound is coming out, also a amber light is inside the amp, any help please?

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The only thing I can think is the +/- on the speakers are backward or no signal from remote wire....
The green power light is on I presume?

Posted on Sep 17, 2009

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No sound from subs


You need power to the amp. If the light on the amp is not on then your amp is the problem. Get power to it.

Nov 10, 2013 | Phoenix Gold Xenon-400.1 Car Audio...

1 Answer

I have an American Pro amp V.S.-1406. It has the amber lights on inside but no green power light. I am almost positive that everything is hooked up correctly but it just won't work. No sound. Good...


If you have no power light on or its not green or the color it's suppose to be when working properly then it's in protect mode. First unplug everything except the power wires and see if any of the lights change from amber. Being the color is amber this means its in protect. if still no green light for power or what color it's supose to be when working properly then you have an internal problem. Mostlikey the powersupply mosfets and/or the output transistors or mosfets. I have to look up this amp to see what it has for outputs. With a good ground and positive power wire hooked up, your amp has some shorted components. I own a small business repairing, selling, and installing car audio. I am MECP certified also I'm an electronics engineer and have designed 2 mono sub amps that sold very well. Saving up to have more built again. I have 20 years experience now so I have been doing this for a very longtime. My pricest are the cheapest and my work is professional. I do it cheap cause I'm tired of seeing people getting ripped off at allot of places and my overhead is'nt high. I also offer services that no one else does and I offer online video help to help a person test certain components berfore sending an amp in, or over the phone. If you need help just contact me through here and I will send my info. I get allot of business through this site and diycaraudio.com plus a few other sites. Hope this helps. I will look up your amp if I can find a manual to see what color the lights on it should be when working properly. Being amber though, in my experience that means it's in protect. Do what I asked first to rule out bad subs or RCA's causing it to go into protect.

Feb 13, 2013 | Car Amplifiers

1 Answer

What size fuses do i need for the 3 slots and im blowing the power fuse its all hooked up right


  • A Metrik MAX-1404 Amp requires 3 20 Amp Maxi Blade Fuses yellow in color.

Regards, Tony

May 23, 2011 | Metrik Amplifiers MAX-1404 Car Audio...

1 Answer

The Ground wire is hooked up right but the red light wont go off and stay green so the amp will work. It is very frusterating all the cables are the right size its is a 1000 watt amp. I have two 500 watt...


Sounds to me like the amp is going into protection mode. Try placing one sub on the amp with very little gain. One of the biggest reason why this happens is because the subwoofers are wired wrong. What is the brand and model number for your amp?

Apr 14, 2011 | Car Amplifiers

1 Answer

No sounds coming out of subwoofers


CHECK INSIDE UR SUBWOOFER BOX ...

Apr 11, 2009 | Pyle PLAM2300 Car Amp

1 Answer

The red led light on my mertik max-802 is staying on when i hook it up. the fuses are not blown out so wat could be the peoblem


Could be the ground. Or touching wires. if the speaker being hooked up are pulling the wrong ohmage it could also shut down an amp.

Dec 03, 2008 | Metrik Amplifiers MAX-1404 Car Audio...

1 Answer

WHEN I HOOK UP THE AMP


Check your speaker connections and the try to power the unit on again. I fear that you may have damaged the power amplifier MOSFETs on the output stage. This is what this sounds like. I would first try to see if audio is going into the unit by using an oscilloscope and taking a reading at the input of the amplifier. If audio is preset I would take the unit to a shop since there are no user serviceable parts inside of this device. Look for a shop that will give you a free estimate. I do feel that you have internal damage to that device.

Sep 03, 2007 | American Pro VS-2043 Car Audio Amplifier

1 Answer

American pro amp 1000 watt vs=3503


The Protect light would normally be Red. You need to test your RCA's and make sure your getting a signal to your amp.  I would just buy a new set  or if you have another set just try them.  If you get your amp to power on and all of your voltages are right with the proper signal and your amp fails to turn on you Have a bad amplifier

Aug 30, 2007 | Kenwood KAC-9104D Car Audio Amplifier

1 Answer

500/1 amber light on , no power to subs


WIthout looking at your vehicle its hard to say. If it works fine in the otyhe rcar i still suspect a ground problem.. People forget that most cars have a very small body ground wire from the body to the negative battery terminal.. check both pattery terminals for cleanliness and tightness.. then for grins run yourself a nice fat ground wire from ther body to the negative terminal.. i suspect this due to your car changing idle speed... almost guarantees a poor connection someplace... these are just ideas and again without looking at the car i couldnt tell you for sure.. what kind of car is it instsalled in now?

Aug 28, 2007 | Jl Audio 500/1 Car Audio Amplifier

1 Answer

My amp light is on but no sound from speaker


If the amp light is one and the protector light wasent on then I bet you blew your speaker??? take an ohm meter, measure each speaker with nit disconnected from the amp.. If they all measure what there suppose to( like 4 to 8 ohms) then the amp blew out and unless you have training on solid state electronic repair, you should seek a pro to fix the amp for ya.. Good Luck

Jun 28, 2006 | MTX 6001 Car Audio Amplifier

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