Can I buy a subwoofer for my Vizio soundbar?
Samuel Coleman
Published Mar 20, 2026
Can I buy a subwoofer for my Vizio soundbar?
Vizio gives you the option of purchasing individual speakers and subwoofers to augment your existing setup, or purchasing a full set of Vizio subwoofers and speakers.
How do I get my Vizio subwoofer to work?
First confirm that the power switch is in the ON position. Press and hold the Pairing button on the back of the Subwoofer for 5 seconds. The LED on the back of the Subwoofer will begin to blink. Press and hold the Power button on the top of the Sound Bar for 5 Seconds.
How do I sync my Vizio subwoofer?
Connecting Your Vizio Sound Bar Subwoofer
- Turn on the power to your subwoofer.
- Press and hold the Pairing button on the back of the subwoofer for five seconds until its red LED begins to blink. Release the Pairing button.
- Press and hold the Power button on top of the sound bar for five seconds.
- Release the Power button.
How do I make my Vizio subwoofer louder?
Press “Menu” button. You’ll see in the screen “BT” displayed. Press “down” button. Press “down” again until you get to “Subwoofer”, press “fast forward” button to increase volume.
How do you turn up the bass on a Vizio subwoofer?
Press the BASS button then press the Next/Previous button to increase/decrease the bass level. The LED indicators will move to the top with increasing levels and to the bottom with decreasing levels. Press the CENTER button then press the Next/Previous button to increase/decrease the center level.
Can you use just a subwoofer?
Yes, with the right connection, you can achieve the low frequencies of a subwoofer without the use of a speaker system. To achieve this, use a line level RCA converter or speaker level inputs with a powered subwoofer.
How do I fix the sound delay on my Vizio TV?
First, if you are running your sound through a sound bar or sound system, turn the TV speakers OFF via the Vizio remote, Menu > Audio. Also in the Audio menu, find the Lip Sync adjustment. It will probably be on 0.0 with settings from 0.0-5.0. Put the setting at 2.5, save your settings and exit.
What can I use instead of a Vizio subwoofer?
You can get a used AV receiver. The ones without HDMI are pretty cheap and will have digital inputs and subwoofer out. Even a pair of cheap speakers will sound better than the soundbar. James, did you ever solve your problem? I have a Vizio wireless sub for a 3821 sound bar that just stopped working.
Why is my Vizio subwoofer not working with my sound bar?
When your wireless VIZIO subwoofer won’t connect or pair with your soundbar you’ll need to take the following steps to fix it… especially if you’re not in the market for a new sound system just yet.
Can a subwoofer be connected to a different sound bar?
No, you can not use a different subwoofer connected to a soundbar of a different branded system, especially without a technical expertise. The only case this is possible is if are a sound specialist or have the soundbar bluetooth connect a matching wireless transmitter to plug into the sub out of the soundbar. (source)
Can a subwoofer have an 8 inch driver?
All of them are equipped with 8-inch drivers that can improve bass playback even though they aren’t nearly as powerful as other subwoofers equipped with even larger drivers. A subwoofer can make all the difference when it comes to sound quality.
You can get a used AV receiver. The ones without HDMI are pretty cheap and will have digital inputs and subwoofer out. Even a pair of cheap speakers will sound better than the soundbar. James, did you ever solve your problem? I have a Vizio wireless sub for a 3821 sound bar that just stopped working.
How can I tell if my Vizio sound bar is on?
To ensure the soundbar is powered on, try turning the volume up and down, if the sound bar is on, the volume indicator lights will appear. The subwoofer has a power switch. When powered on a light should appear near the switch.
All of them are equipped with 8-inch drivers that can improve bass playback even though they aren’t nearly as powerful as other subwoofers equipped with even larger drivers. A subwoofer can make all the difference when it comes to sound quality.
Can you use a subwoofer with a sound bar?
If you tried to use bluetooth the problem would be adjusting the volume of both the soundbar and sub at the with one control. After you get the subwoofer I would suggest you transition into some gear made for music rather than video.