How to Ground a Home Theatre Subwoofer (Step-by-Step)

In case you are experiencing naive sound from the subwoofer, then probably you need to properly ground the subwoofer to get rid of the issue.

The problem here is that not many people know the exact procedure for the grounding of a home theatre subwoofer.

Thus, we have compiled this complete step-by-step guide, in which we have provided the complete procedure for the grounding of the home theatre subwoofer.

Procedure for Ground the Home Theatre Subwoofer

The unnecessary hum on the home theatre subwoofer can be tackled by using the grounding procedure. It is one of the best ways to get rid of the hums on the subwoofer’s low-frequency sound when you are using the subwoofer with the home theatre system.

Grounding the home theatre subwoofer is a little tricky, and you have to follow the proper procedure, otherwise, you can ruin the whole procedure.

Below, We Have Compiled all the Steps for Grounding the Home Theatre Subwoofer:

Step 1: Checking the Type of Subwoofer

The very first step involves checking the type of subwoofer, as you would have to get the different types of accessories for each subwoofer type for the grounding purpose.

Additionally, you have to find out the difference in the performance and working of these soundbars for proper working.

Here are the Different Types of the Subwoofers.

1. Active Subwoofers

The active subwoofers do come with a built-in amplifier. That means you do not need to have an external amplifier to power up the subwoofer.

Although the quality of sound produced by the active subwoofers is not on par with the passive voice subwoofers, still, they produce amazing quality sound.

Above all, you do not need to hook any external amplifier with the subwoofer system, which is a truly amazing feature to have.

2. Passive Subwoofers

The passive subwoofers do need an external subwoofer for the working. That means, you must have the external subwoofer for the work of the passive subwoofer, otherwise, it won’t work.

Hence, you have to do all the ground wiring on the home theatre system by involving the amplifier.

3. Side Firing Subwoofers

The side-firing subwoofers have such a mechanism that the firing mechanism is on the side of the subwoofer. Thus, you will have to place the subwoofer in a way that the sound of the subwoofer does not mess up with the walls or other objects that come in the way of the subwoofer.

4. Down Firing Subwoofers

The down-firing subwoofer produces the sound from the bottom, and the wiring and the placement have to be done by keeping these things in mind.

Although, these subwoofers are not as common as the front-firing subwoofers, still, they have a decent chunk in the market.

5. Front Firing Subwoofers

The most common subwoofers available in the market are front-firing subwoofers. These subwoofers offer excellent quality sound.

The placement and the wiring of the front-firing subwoofer are super-easy and can be done by following the subwoofer in the right direction.

Step 2: Getting the Right Accessories

Subwoofers don’t come with wiring kits, and you need to get the right type of wiring kit for the subwoofer, and the home theatre system.

For getting the right type of wiring kit, you also need to have the distance, etc in your mind. After you have got the right accessories for your subwoofer, move on to the next step.

Step 3: Positioning the Subwoofer

In the third step, you have to place the home theatre subwoofer in the right place to get the right performance.

Ideally, you have to place the subwoofer in the front corner for the best possible performance. On the other hand, the ideal placement for the dual subwoofers is the mid-wall. By getting the subwoofer in the mid-wall, you can have superior overall performance.

Lastly, if no other placement option is possible for you, then you can also use the back corner subwoofer by placing the subwoofer in either of the corners.

Step 4: Connecting the Subwoofer to the Amplifier/Receiver

In the final step, you need to connect the subwoofer to the amplifier, as well as the speaker. The connection process for connecting the subwoofer to the amplifier is pretty straightforward.

Firstly, you need to connect the subwoofer to the speaker by putting the wires on the speaker output, and the subwoofer input tab.

Afterward, you need to get the subwoofer line-in connected with the amplifier output line, and you are good to go.

Frequently Asked Questions (FAQs)

What Does Grounding Do on the Subwoofer?

Grounding the subwoofer, and the amplifier in the home theatre setup can remove the hum from the sound.

Is There Any Benefit of Grounding the Subwoofer?

Yes, there are a lot of benefits of grounding the subwoofer in the home theatre system. The main benefit of grounding the subwoofer is that it removes the hums and other creepy noises from the sound.

Does a Subwoofer Need to Be Grounded?

A subwoofer does not need to be grounded necessarily. However, if it creates an unnecessary buzzing sound, then you have to ground the subwoofer to get rid of the issue.


Grounding the subwoofer is one of the most impressive ways of improving the sound quality of the home theatre subwoofer.

Above, we have compiled a complete step-by-step guide that you can follow to easily ground the home theatre subwoofer without any expert help.

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