Subwoofer Not Working Amp Has Power: 5 Effective Way to Fix

By | October 28, 2022

Woofers are speakers that reproduce low- to midrange frequencies. Subwoofers are speakers that reproduce low-frequency sounds. A variety of technical problems prevent the subwoofer from working properly. There is an issue with sound quality that causes the sound to explode.

There were problems with the audio; it was tangled up and poorly organized. Consequently, you become annoyed by the subwoofer. You need a new subwoofer for that reason. If you want to eliminate that annoying subwoofer, I suggest you check the problem first. Steps to solving the problem can be found here. It’s a good idea to replace it if you find it unsound.

Subwoofer Not Working Amp Has Power

If you are experiencing problems with your subwoofer, turn off all of the equipment before checking for problems. Before you check the cable connections of such electrical devices, you must disconnect all electrical connections. Due to your negligence, any damage may occur.

5 Effective Ways to Fix: Subwoofer Not Working Amp Has Power –

1) Check The Speaker Wires & Connection –

Speaker Connection

Specifically, whether or not all the device’s wires and connections are connected to it and functioning properly. You must ensure that the subwoofer is correctly connected to the amplifier, receiver, and speaker. Make sure that you have properly connected the wires to the port.

An amplifier or receiver’s output will be connected to the subwoofer’s inputs as the subwoofer’s output. During testing, you should check its wiring for a long time. To add more bass, connect the subwoofer to the amplifier or receiver.

There are often loose connections, damaged parts, or incorrect bits. Subwoofers do not work properly as a result. Your subwoofer is fine if your receiver doesn’t have an issue with the amplifier speakers. To determine which of the other systems has the problem, you must check the other systems.

2) Check Your Outlets, Power Cables, And Fix Them –

Power Cable

An LED light indicates the active power of any amplifier. After turning on the subwoofer, ensure it is properly connected to the socket. If the power light is not on, check the subwoofer connection. Power will not be provided whenever the plug is not adequately hooked up to the socket for some reason.

What is the process for connecting the cable?

  • Make sure the wire is properly plugged into the socket.
  • If the device is on, make sure all the switches are on.
  • Try connecting a second outlet with some effort if the subwoofer will not run.

3) Troubleshooting Fuse Problems –

Fuse Check

A) The power supply must be off to check your subwoofer’s fuse. Before you check for amplifier problems in your car, turn the engine off.

  • The engine must be turned off before you check a fuse or cable.

B) Lifting the fuse to inspect the amplifier wires is necessary. What are your methods for recognizing fuses? Following the ground wire, you can see it behind the amplifier.

  • The amplifier will determine fuse placement.

C) A multimeter can test how much current flows between a fuse and a cable. Use the multimeter to check the fuse. When you check the fuse with your meter, you should see 0.6 ohms in the meter.

  • A blown fuse is indicated by the multimeter showing 100 and not changing.

D) Fuse problems must be resolved by removing the fuse and replacing it with another. Check the ampacity rating of a newly installed fuse against its previous rating. Fuse ratings usually range from 25 to 30 amps in most cases. As a result, I recommend that you use a fuse with the right rating for your device.

  • Your amplifier will determine what type of fuse to use.

E) Replace the fuse and check to see if the amplifier works. The amplifier must be turned on after the device has been connected to the electrical circuit. Your device’s fuse problem will be solved if the amplifier works.

  • There is a problem with the power supply in the US if you see the fuse blow before the power is turned on.

4) Keep an eye on the system settings and menu if there are any problems –

Monitor the System Menu

You can be certain that there is a problem with the device’s system if it does not detect a problem between the wires and the fuse. Make sure that they have the right input permissions and input in the menu settings. Subwoofers will not work if their audio input is improper. I recommend checking the output of the subwoofer. Therefore, select your audio system’s input in settings.

5) Subwoofers should be checked to make sure they are working correctly –

Subwoofer Is Working

It is imperative to make sure that the subwoofer works properly after fixing all kinds of connection issues and issues with different settings. Turn on the subwoofer audio only after you have checked the volume of the receiver and speakers.

Increase the subwoofer volume slowly by keeping it at zero. You will know your subwoofer is working correctly when you see it is working without interruptions. You are definitely going to enjoy this news.

Final Word: Despite solving all kinds of subwoofer problems, it is no longer effective if the subwoofer fails to produce sound. A new subwoofer is necessary after removing the old one. Your amplifier is powered, but the subwoofer does not work. Hopefully, find out the proper solution for Subwoofer Not Working Amp Power.

I hope you can find the solution to the problem. If your subwoofer does not work, please let me know. If you think my article will assist you, I will provide you with better articles in the future. I appreciate you taking the time to read this article.


Question 1: Why is my amp on, but no sound from the subs?

Answer: There are a few reasons your amp may be on but not producing sound from your subs. The amp and subs may not be properly connected, for example. Make sure the amp is turned on and that all connections are tight. Another possibility is that the amp’s input or output settings are incorrect. Consult your amp’s manual for instructions on how to set the input and output properly. Finally, it is possible that the amp is defective. If you have ruled out all other potential causes, you may need to replace the amp.

Question 2: What would cause a subwoofer not to work?

Answer: There are a few potential causes for a subwoofer to stop working. It could be a problem with the power supply, the amplifier, the speaker itself, or a wiring issue. If you have checked all the connections and made sure there is power to the subwoofer; then the next step would be to test the amplifier. If the amplifier is working, then the problem is likely with the speaker.

Question 3: How do I know if my sub amp is blown?

Answer: There are a few ways to tell if your sub amp is blown. One way is to look at the fuse. If the fuse is blown, the amp is most likely blown. Another way is to check for power. The amplifier is likely blown if it is not receiving power. Last but not least, if you turn on the amplifier and the subwoofer is silent, the amplifier is probably blown.

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