How To Tell If Your Amp Is Blown

An amplifier is a digital gadget that escalates the strength of signals that go through it. For example, a vehicle amplifier will boost the sound signal that goes through it, which makes the music better for the listener. If your amplifier is blown, you won't get a loud sound coming out of the speaker system.

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Moreover, if your bass subwoofer stops working, the first thing you will assume is that your car amplifier has blown. This may not be the case. The RCA wires or the loudspeaker wires connected to the sub could have disconnected because of vibrations.


If you are not getting any sound from your car amplifier, don't assume that your car amplifier has blown. It is suggested that you use these troubleshooting ideas to assist you in identifying if your car amplifier has blown or not.

How to tell if your amplifier is blown

An amplifier is crucial for a car. In this article we have tried to explain about how to tell if your amplifier is blown. The procedure is as follows:

Required Materials

  • Amplifier
  • Screwdriver

Checking Procedure


Step 1:

Check carefully if the amplifier is linked and installed properly. If the amplifier is usually in contact with the metal of the car, this can be a problem. The screws used for installing the amplifiers may be touching metal. Perhaps some other portion of the amp is coming in contact with a conductive surface area.

How to install car amplifier

In either case, this may cause the amp not to power on, or it could trigger the amplifier to go into safety mode. When the amplifier enters safety mode, the green button will turn  orange and red, and the amp will only work intermittently.


Be sure that the blue remote control cable is connected properly. It explains to the amp once to carefully turn on as you power on the CD player. If it is not connected or even to the incorrect wire, the car amplifier will not activate at all simply.

Remote control cable connect

Step 2:

Therefore, be sure it is linked to a blue cable from the stereo’s wiring harness and check their voltage.


Step 3:

Check the ground as well as the power. The amplifier requires a power input that’s positive and a power output that’s negative in order to work properly. If the amplifier isn't properly wired, or if the wiring you’re using is wrong for that amplifier, the amp won't work correctly.


Examine if the fuse can be blown. If the power light isn't coming on, let's assume that you have examined the 12-volt line with a multimeter. The fuse on the charged power wire or the amp could be blown out. It may happen if there was a short circuit when you played your music at some true point.

Car amplifier fuse

Step 4:

The most sensible thing to do is take out both fuses and examine them carefully. Check if the small metal wire inside has snapped. If it has, you will have to reinstall it because that’s the key reason why your vehicle amplifier is not powering on.


Step 5:

Use a flashlight to check the bottom and the power. If the links are loose, tighten them. If the connections are loose or perhaps you've blown a fuse, the amplifier will not give any output.


Step 6:

Verify the switch on the signal in addition to a music input transmission. If the amp isn't obtaining these signals, you should check to ensure all the connections are protected. The turn-on signal is easy to check - just switch the power button to the "on" position. The actual input signal should come on when there is input coming in automatically.


Step 7:

If you have through these steps and examined all of the indicators, wiring and contacts, you probably have a blown fuse.

If your fuse has blown, this is probably because of poor quality construction or undetected overheating problems. You will have to replace it with the manufacturer, so check to see you have a guarantee. Alternatively, you can get it repaired by an automobile amp specialist.

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