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5 Reasons Your Subwoofer Not Working But Speakers Are


Have you ever been in the middle of watching your most anticipated movie or listening to your preferred music and unexpectedly noticed that you have a subwoofer not working but speakers are situation?

It can be a very frustrating experience, especially if all the other speakers are functioning properly. You may find yourself wondering what the main reason and how you can fix it is. To start, let’s consider why this problem is so common.

A lot of people don’t realize that their subwoofers require power from an amplifier in order to function correctly. Without enough power being supplied by the amplifier, sound cannot pass through the speaker cone.

A subwoofer is a vital component located inside the cabinet. Additionally, some users may have incorrect wiring connections between their amplifiers and subwoofers, which could also lead to audio issues such as distortion or no sound at all coming out of their systems.

5 Reasons Why Subwoofers Stop Working But Speakers Are

When your subwoofer isn’t working, but the speakers are, you may be wondering what could be wrong. Fortunately, there are a few reasons why this might happen that can help you quickly identify and fix the issue.

It is possible that one or more of the connections between components is loose or disconnected. If this is the case, just simply check each connection to make sure they’re secure and properly connected.

If possible, try switching up sources to see if anything changes before taking further steps in troubleshooting and repairs. With these few tips in mind, you should have no trouble identifying why exactly there’s an issue with only one part of your sound system. Now, let’s dig deeper at some of the reasons why subwoofers stop working.

#1 Some or all the control knobs are not working properly

Look for the volume control settings on your head unit. Sometimes the volume level of the bass is too low, and the subwoofer produces sound frequencies that you can’t really hear that well. Also, the bass knob on your active subwoofer might need to be turned up as well.

If you notice that the power indicator is not on, then try finding the power button of your new subwoofer so that it can actually start working properly. The best way to troubleshoot an active subwoofer is to find the power switch and ensure that it is turned on.

When the subwoofer is not working at all is probably because it is not receiving any power. Once you have confirmed that the power is on, check the connection between the subwoofer and the audio source.

#2 Input cables are not connected properly

The RCA cables or input cables play a crucial role when it comes to reproducing the output sound from your primary audio device. You will need to ensure that the input cable is properly plugged in so that the incoming signal that is coming in from the audio source is clear and has no distortion.

Sometimes the input ports can be broken on the head unit, causing a loose connection. This subwoofer connecting cable needs to function properly so that the low frequencies can be clearly reproduced when playing music on your audio system.

#3 The subwoofer fuse is not blown

An active sub that comes in a vented or sealed box will typically bring a small integrated fuse. This particular fuse can get busted when a power surge occurs.

Check the user manual so that you can find the location of the blown fuse and replace it with a new one. You will notice how the power lights and the subwoofer turns on immediately after.

#4 Insuficient RMS continuous power rating

When you have multiple subwoofers and one subwoofer is not working, you might have an amplifier problem or an incorrect speaker pattern. A subwoofer will work properly when the amps power matches the subwoofer’s RMS continuous power rating.

In some cases, a faulty amplifier may be the culprit and will need to be replaced or repaired. By taking these simple steps, you can ensure that your subwoofers are working properly and producing high-quality sound for your listening pleasure.

#5 Loose connection or wiring issue with the power wire

The power cables are in charge of supplying the required operating voltage to the subwoofer so that it can be properly powered. Any voltage difference can cause a power drop or even a short circuit. This can cause your subwoofer to go into protect mode or even damage other electronic devices on your vehicle.

All the wiring need to be tightly plugged in order for your subwoofer to work as it should. Loose power cables are also one of the reasons why the subwoofer overheats. Plus, if you have a passive subwoofer, you need to check if your amp has power.

Why Is There No Sound Coming From My Subwoofer?

When you turn on your subwoofer, and there’s no sound, it can be extremely frustrating. There are a few potential causes of this issue, which we’ll explore in this article.

At the most basic level, the cause could be something simple like incorrect connections or volume settings. Check that all cables are plugged in securely, and double-check that the volume is set to an audible level. If these two issues have been addressed and there’s still no sound coming from your subwoofer, then it’s time to look at other possibilities.

It could be that the power source isn’t working correctly or has been disconnected – check if any lights come on when you switch it on; if not, then either unplugging for a minute before plugging back in may resolve the issue, or else you may need to replace the power cord entirely.

Additionally, if you have an amplifier connected to your subwoofer, make sure both devices are powered up properly, as well as have their respective settings adjusted correctly so they communicate with each other without any hiccups.

These potential causes should help narrow down why there’s no sound coming from your subwoofer – now we can move on to taking steps to resolve the issue and get back to enjoying music!

Identifying the Problem And Possible Solutions

One of the most frustrating problems for sound system owners is when their subwoofer isn’t working, but the speakers are. It’s a common issue that can be caused by several different things. To help identify and solve this problem, here’s a quick guide to troubleshooting it.

Try checking all your wiring connections. Make sure they’re tight and not loose or frayed in any way. If you find something like that, fix it right away; loose wires can cause interference with your subwoofer’s signal, leading to poor performance or even complete failure of the unit itself.

Next, look at your amplifier settings; if they’ve been adjusted recently or incorrectly, then that could also be causing issues with the output from your subwoofer as well. Another potential cause is that either your receiver settings or speaker setup has been changed from what it should be for optimal performance with your subwoofer system.

Try adjusting these settings until you have achieved the ideal sound quality with all components in use. If none of those solutions work, then it’s possible that something within the subwoofer itself has malfunctioned and needs to be replaced or repaired by an authorized technician.

In any case, understanding these main issues can save time when trying to diagnose problems with your audio equipment – whether it’s a subwoofer not working, but speakers are still on, or anything else! From here, we’ll explore tips for keeping your subwoofer in good condition so you can avoid similar issues in future listening sessions.

Troubleshooting Common Issues With Speaker Wires

When troubleshooting subwoofer wires’ issues, the first step is to check all of the connections. Make sure that every single wire is securely connected in its proper place and that there are no loose or broken wires. If any of these appear to be an issue, you should replace them immediately.

The next thing you should do is test for continuity by using a multimeter. This will determine if there’s a break in the circuit somewhere along the wire length.

You’ll need to set your multimeter on ohms and connect one probe at either end of the cable while taking care not to touch both probes together when testing, as this could cause damage.

Lastly, test for resistance by connecting one probe at either end of the cable and setting your multimeter on AC voltage mode. This will measure how well current can flow through your cables, which will tell you if they’re working properly or not.

A low reading indicates good wiring, whereas a high reading would indicate poor wiring or corrosion inside the cables, which need addressing before use.

Testing subwoofer wires helps ensure they are functioning correctly so that you can enjoy quality sound from your system without interruption! Taking these steps now can help save time and money down the road by avoiding potential problems due to faulty wiring later on down the line.

Check The Type of Audio Input Cables and Speaker Cables

Check out what type of audio source you’re using for playback on your system – some sources may not support low-frequency signals very well, which will prevent them from coming through properly on your subwoofers (or lack thereof). To maximize the speaker outputs, you need to make sure that the speaker wire is not damaged.

Input cables need to be tightly plugged so that they do not produce any distortion. You may have a subwoofer not working due to this input cable issue. Other components, like the amplifier, can also produce distortion if you have any loose connections.

Improve The Listening Experience Of Your Audio System

We have talked about the different reasons why your subwoofer might not be working despite having perfectly functioning speakers connected to it.

Now we are going to go over other different situations where either the insufficient power supply or incorrect wiring connections are likely culprits for audio problems related to your home theater system setup.

If you are looking for simple but effective troubleshooting tips on how one should go about fixing these issues quickly and easily without having any technical knowledge whatsoever, this guide got you covered.

An external amplifier would be your best bet when it comes to improving the overall audio quality of your setup. Another way to simplify your current setup is to get a single voice coil subwoofer instead of dual voice coils.

Tips For Keeping Your Subwoofer In Good Condition

When keeping your subwoofer in good condition, you must keep some things in mind. Firstly, plug the power cord properly into both the wall outlet and the back of your subwoofer. Check if all connections are secure between components, such as the amplifier and receiver.

Ensure that the sound settings on your audio source or device are set correctly for optimal performance with your subwoofer. It’s also important to consider where you place the subwoofer. Make sure it isn’t too close to walls or other objects that could interfere with its sound quality.

Avoid placing it near appliances that create heat and noise; this can cause damage over time due to prolonged exposure. Don’t forget about regular maintenance: dusting off any dirt buildup so air can circulate properly around the speaker grille will help extend its life span drastically!

Keeping these tips in mind will not only help prevent future issues from arising but also ensure maximum performance from your system when everything is working correctly! With a little bit of effort and care, you’ll be able to play music for years to come!


It is very important for you to understand how the subwoofer and the components work together so that you can be prepared if something goes wrong.

Plus, It’s better to be safe than sorry! Knowing what could potentially cause issues with your subwoofer can help you take preventative measures and keep it running smoothly for years to come.

It is highly recommended to do basic maintenance on your home audio system regularly and get familiar with the settings available on your receiver or amplifier. This will ensure that all components are functioning properly and allow you to get maximum performance from them each time you turn them on!

Last Updated on: June 6, 2023

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