How to make Subwoofers louder without Amplifier?

Make Subwoofers Louder without Amplifier

We need to increase the volume of subwoofers louder because it is not loud enough. Amplifiers will be very costly, and everyone can’t afford them. We can make the subwoofer louder without an amplifier. Improving your subwoofers’ volume is possible without an amplifier. This is a very cost-effective and viable option for nearly all people.

How to make Subwoofers louder?

Of course, some things may change over time, but following these instructions will give you a good head start. To make subwoofers louder, we need to effectively amplify the sound coming from their voice coils in the same manner as would be done with an amplified speaker system.

Subwoofers – Why You Need Them

Subwoofers are an essential part of any home theater or car audio system, especially if you want to get the most out of your music listening experience!. There are many reasons why you need subwoofers in your sound system.

How to Make Subwoofers Louder

One of the most straightforward reasons is that it makes the bass louder and clearer, which helps to make all types of music more pleasant to listen to. They also help balance out the audio coming from all the other speakers, creating a more overall balanced sound.

How to Make Subwoofers Louder without Amplifier?

Although many people believe that a subwoofer’s loudness is solely determined by its power output, this is a myth. The truth is that there are many ways to maximize the loudness of your subwoofer.

1.  Improving Subwoofer Placement

The first thing you should do is put your subwoofer in the right place. This varies depending on the setup of your room, but generally, you will want to place it somewhere along the front wall of your room and near one of the corners.

 The closer to a corner that you can get, the better bass response you will achieve because the two walls will interact with each other to amplify low-frequency sounds. If your subwoofer comes with rubber feet, then use them so that the subwoofer doesn’t vibrate against hard surfaces, since this may cause rattling and other unwanted effects.

2.  Seal up any air leaks in the enclosure

Air leaks can reduce output by as much as 3 dB (half), so make sure all joints are sealed tight. You can also add polyfill, which will help control airflow and increase sound quality. If you have a ported enclosure, plugging it with polyfill can increase output significantly by converting it into a sealed box.

3.  Fine-Tune the Subwoofer with your Receiver

If you have just purchased and connected a new subwoofer to your receiver, you will have to adjust the volume and frequency settings on the receiver to make it louder. So, here are some tips that will help you make adjustments to your receiver and make your subwoofer louder.

The first thing that you need to do is set the crossover frequency of your subwoofer. To adjust the crossover frequency, place yourself between 2 and 3 feet away from your subwoofer and increase or decrease the frequency level until you get the best possible sound output from your speakers.

This should be done at a moderate volume (not too loud). Once you have found the correct setting for your subwoofer, write down that setting so that you can always reset it when needed.

4.  Adjust the Subwoofer Phase

Adjusting the phase control on a subwoofer is something that should be done after all other settings have been adjusted. The phase control simply adjusts how early or late the sound comes out of the subwoofer compared to the sound coming from your speakers. Most people will not need to adjust their subwoofer’s bass phase unless they are using a second subwoofer in addition to their main one.

To adjust the bass phase, make sure you have your receiver/amplifier set up for a 2-channel stereo (not surround sound). Then, play a song that has strong low-frequency bass content. As you turn the knob, listen for when the bass sounds “fullest” or “most powerful”. When you find that position, that is where your subwoofer sounds best.

5.  Reduce Electrical Impedance

The biggest enemy of subwoofers is electrical impedance. This is because the low-frequency signals used to produce deep bass in a subwoofer tend to cause the amplifier to overheat. The higher the impedance, the more susceptible the amp is overheating.

The best way to do this is by wiring multiple speakers together in parallel or series. For example, two 4-ohm speakers wired in parallel to each other creates an electrical circuit with 2 ohms of impedance. This increases the current flowing through your subwoofers and makes them louder.

If you want to make a single subwoofer louder, you can add a second voice coil to a dual voice coil speaker. Each voice coil acts like another speaker and doubles the electrical impedance of one loudspeaker.

6.  Use Subsonic Filters

Subsonic filters block sounds below a certain frequency from getting through to your speakers. A lot of music has very low bass notes that are inaudible anyway because our ears aren’t designed to hear them.

7.  Add Sound Damping Material

Add sound damping material (also known as deadening material) to the box. This is a layer of absorbent material that you can add to the inside of your subwoofer box, which will reduce vibrations and improve the overall sound quality of your system.

If you want to make your sound damping material, crumple up newspaper and stuff it into any cracks or holes in the wood. This isn’t as effective as professional products, but it can still reduce vibrations and help improve sound quality.

Professional sound deadening materials are expensive and involve a bit more work to apply, but they will be much more effective at reducing vibrations and improving overall performance.

8.  Replace Subwoofer Cables

Loose cables can also cause distortion. To replace a subwoofer cable, use a utility knife to cut the old cable in half. Remove the insulation from each end of the wire and connect it to the new wire with a soldering gun. Check your subwoofer’s wiring diagram for more installation information.

9.  Isolate Your Subwoofer from the Floor

Subwoofers need a solid platform to work properly. The floor will interfere with their sound waves and cause them to become distorted. Put your subwoofer on a solid, dense platform such as cinder blocks or heavy furniture pieces placed face down, or use an isolation pad made specifically for subwoofers.

You can also purchase an acoustic enclosure to place under the subwoofer for optimal performance. Some subwoofers come with feet that help isolate them from the floor, so be sure to use them if they came with your model.

10. Add an Improved Heat sink to Your Subwoofer Amplifier

If you’ve ever been disappointed when your subwoofer was not loud enough, then you might benefit from making it louder. You can make a subwoofer louder by adding an improvement. This will allow the amplifier to run cooler and more efficiently, allowing it to produce more power with less distortion.

11. Use High-Quality Audio Files

The quality of the audio files that you play on your subwoofer will determine how good it can sound. Many users prefer using compressed audio files because they are smaller and easier to download and transfer. However, these files are low-quality and will not allow your subwoofer to produce its best sound. The best way to ensure that you get the highest quality sound from your subwoofer is by playing uncompressed files such as WAV or AIFF formats.

If you want to make your subwoofers louder, then it is important to use high-quality audio files. All audio files are not made equal, and if you want the best sound quality, then you should use the highest quality audio files that you can get your hands on.

Read Also How to Choose the Right Gauge Speaker Wire


In conclusion, if you want to make your subwoofers louder without an amplifier, you can try a few different techniques. You can increase the power handling of your subwoofers by adding more insulation around the voice coil. You can also add a ported box to your subwoofer system to increase the bass output. Finally, you can use equalization to boost the low frequencies that your subwoofers reproduce.

How can I make my subwoofers hit harder?

Several factors can influence the punchiness or ‘hard hitting’ nature of your subwoofers. One of the most effective ways is to ensure the subs are matched with a powerful amplifier. An amp can supply the necessary power that your subwoofers need to perform at their best. In my experience as an audio technician, when the amplifier and the subwoofers are a perfect match in terms of power requirements, they will produce a deeper and fulfilling bass sound. You should also consider the subwoofer’s placement as it can also impact the sound output. Subwoofers placed in the corners of a room tend to produce a harder sound impact.

How can I make my subwoofer sound deeper?

As an audio enthusiast, one of the methods that I have found effective in achieving a deeper sound from the subwoofer involves using a correctly tuned subwoofer box. By correctly tuning, we mean that the box should have the proper depth and dimensions that aligns with your subwoofers. Sometimes that’s not enough, you might need to play around with the equalizer settings. Try lowering the high-pass filters and increasing the low-pass filters to emphasize the low frequencies. Make sure your subwoofer is correctly connected and that the amplifier provides enough power to it.Crutchfield is a decent information source on how to make your subwoofer sound deeper.

Why can I barely hear my subwoofer?

The feeling of having a subwoofer that isn’t living up to its potential can be frustrating, and I’ve been there. If you are barely hearing your subwoofer, it could be due to a few reasons. One common reason is that your subwoofer is underpowered. If your subwoofer is passive (requires external amplification), it needs to be matched with an appropriate amp to deliver the full potential. I once had a subwoofer that wasn’t giving me the desired output, but once I coupled it with a recommended amplifier, the sound output improved dramatically. To avoid damaging the amp or the subwoofer, avoid using an old or compromised amplifier.

How can I increase my volume without an amp?

Increasing your system volume without necessarily using an amp is a challenge I’ve faced several times. It requires creativity and some bit of tinkering with your system’s settings. One way to do this is to first ensure the speaker wires are intact and securely connected. Loose or worn-out wires can affect the sound output. Secondly, you should consider modifying the equalizer settings. Boosting the frequencies you want to hear more clearly can make a huge difference. Depending on the audio source, you could look for a ‘loudness’ setting and turn it on, but take care not to distort the overall sound quality. Also, consider placing your speakers in corners or enclosed spaces as the boundaries will amplify the sound naturally.wikiHow is a useful resource on how to increase volume without an amp.