How to Connect the Onn Soundbar to the TV

If you are wondering how to connect the Onn soundbar to the TV after unboxing it, you’re in the right place!

Soundbars have become an essential addition to our home entertainment systems. It enhances the overall audio experience while watching our favorite TV shows or movies. Although the Onn. soundbar is one of the most popular and affordable options in the market today, it can still be a head-scratcher for some people when connecting it to their TV. 

how to connect the Onn soundbar to the tv - featured image

If you’re one of them, don’t worry – we’ve got you covered! In this article, we’ll walk you through the steps to connect the Onn Soundbar to your TV to level up your listening pleasure while watching the latest TV programs or VODs. 

Most Popular Onn. Soundbar Models

Onn. is a highly recognizable brand when it comes to electronic appliances. Their soundbars, in particular, have gained quite a bit of traction in the market in recent years. They offer a range of soundbars with different features, sizes, and prices to cater to different needs and preferences.

1. Onn. 20″ 2.0 Channel Soundbar 

This 20’’ soundbar is a compact option that is perfect for small to medium-sized rooms. It has two speakers that deliver clear and crisp sound and you can connect it to your TV, phone, or tablet through Bluetooth or an auxiliary cord. 

It also has LED lights, with 4 light modes and 4 dimmer options. This model retails for around $40, making it a great budget-friendly option. 

onn. 20" 2.0 channel soundbar

2. Onn. 36″ 5.1 Channel Soundbar 

This larger and more powerful model is great for larger rooms and for audiophiles and movie enthusiasts. It has five speakers that provide a surround sound experience and includes a powerful subwoofer for bass-heavy audio. 

It comes with a remote control and has various connectivity options, including Bluetooth, HDMI, and USB. Coming in at around $179, this option is good for consumers with a mid-range budget. 

onn. 36" 5.1 channel soundbar

3. Onn. 42’’ 5.1.2 Soundbar with Dolby Atmos and Wireless Subwoofer 

This model is a popular choice for those who prefer a soundbar with advanced features. It offers Dolby Atmos support with its 10 speakers and includes a wireless subwoofer for a great surround sound experience. 

The Onn. 42” 5.1.2 model has multiple connectivity options, such as HDMI, USB, and Bluetooth. It retails for around $379, making it a better option for those with a heftier spending budget. 

onn. 42" 5.1.2 soundbar with dolby atmos and wireless subwoofer

Preliminary Steps:

Before we go through the step-by-step processes for each known method for connection, let’s look at the preliminary steps first:

1. Check the Soundbar and TV Compatibility

Before we dive into the details of the connection process, it’s essential to ensure that the Onn. soundbar and your TV are compatible. In general, most soundbars use HDMI or optical audio cables to connect to a TV. 

However, some older TVs might not have these ports. Instead, they may only have a 3.5mm headphone jack or RCA audio ports. So, make sure to check your TV and the Onn. soundbar’s manual to rule out any incompatibility issues. 

2. Unpack the Onn. Soundbar and its Accessories

Once you’ve checked the compatibility, it’s time to unpack the Onn Soundbar and its accessories. The product comes with several accessories that you’ll need to connect to your TV. 

The specific accessories you will have depend on the model of your soundbar. But they commonly include a power adapter, a remote control, and audio cables.

Onn soundbar common accessories inside the box

Three Methods You Can Use to Connect the Onn. Soundbar to the TV

Generally speaking, the methods for connecting the soundbar to the TV are quite the same with other brands like LG. There could just be some slight variations in the settings. But for Onn. soundbar, these are your connection options:

1. Connect By Using HDMI or Optical Audio Cable

Most Onn. soundbars come with multiple input options, including HDMI and optical audio cables. Depending on the ports available on your TV, you can choose either of them to connect the soundbar. 

Here are the steps to connect the Onn Soundbar to the TV using HDMI or optical audio cable.

1-A. Connect By Using HDMI ARC

  1. Before you start the connection process, make sure that both your TV and Onn. soundbar are turned off.
  2. One end of the HDMI cable has a rectangular shape and should be connected to the HDMI port on the TV.
  3. Connect the other end of the HDMI ARC cable to the HDMI port on the Onn. soundbar.
  4. Once you’ve connected the HDMI cable to both the TV and the Onn Soundbar, turn on your TV and the Onn Soundbar. 
  5. Then, use the remote control (or app) that comes with the Onn. soundbar to select the HDMI input option. 

At this point, you should be able to hear the sound from the TV through the Onn. soundbar.

1-B. Connecting By Using an Optical Audio Cable

  1. As a start, check if both your TV and Onn Soundbar are turned off.
  2. Connect one end of the optical audio cable to the optical audio port on the TV.
  3. Insert the other end of the optical audio cable into the optical audio port on the Onn Soundbar
  4. Once you’ve connected the optical audio cable to both the TV and the Onn Soundbar, turn both appliances on. Then, use the remote control that comes with the soundbar

2. Connect the Onn Soundbar to the TV Via Bluetooth

Most, if not all Onn. soundbars have Bluetooth capability. This means you can connect your soundbar wirelessly. Here are the steps to connect your Onn. soundbar using Bluetooth:

  1. Turn on your Onn. soundbar and put it into Bluetooth pairing mode. This may involve pressing a dedicated Bluetooth pairing button or holding down a button on the soundbar for a few seconds until the Bluetooth LED light starts flashing.
  2. On your smartphone, tablet, or another Bluetooth-enabled device, go to the Bluetooth settings menu and scan for available devices. You should see your Onn. soundbar listed as an available device.
  3. Tap on the name of your Onn. soundbar to connect to it via Bluetooth. Depending on your device, you may be prompted to enter a pairing code or confirm the connection.

Once connected, you should be able to play music or other audio from your device through the Onn. soundbar.

Note: If you are having trouble connecting to your Onn. soundbar via Bluetooth, make sure that the soundbar is within range of your device (usually no more than 30 feet). Check also if it is not paired yet to another device. 

Often, even with other brands of soundbars and subwoofers like Sony, the most common issue that causes them to not work is incorrect pairing. You may also refer to the Onn. soundbar’s user manual for specific instructions on pairing via Bluetooth.

3. Connect By Using Aux Cables

To connect the Onn. soundbar to the TV using aux cables, follow these steps:

  1. Check if your soundbar has an aux input. The aux input is usually located on the back or side of the soundbar and is labeled AUX IN.
  2. Ensure that you turn off both your soundbar and TV.
  3. Connect one end of the aux cable to the AUX IN port on the soundbar.
  4. Connect the other end of the aux cable to the headphone jack or audio output of your TV.
  5. Turn on your soundbar and select the AUX input using the remote control or the buttons on the soundbar itself. Adjust the volume on your soundbar as desired.

Your soundbar should now be connected to your TV through the aux cable. By this time, you should be enjoying better sound quality for your TV shows, movies, and music.

Adjusting the Settings

To get the best audio experience from your Onn .soundbar, it’s important to adjust the settings on your TV and soundbar once you have it set up and working.

First, go to your TV’s audio settings and turn off the internal speakers. This will ensure that all of the audio is being played through the soundbar alone. Next, adjust the volume on the soundbar to a comfortable level. You can also adjust the bass and treble settings on the soundbar to your liking.

If your soundbar comes with a remote control, use it to adjust the settings. Some soundbars also come with a mobile app that allows you to control the settings from your smartphone.


If you encounter any issues during the setup process or while using your soundbar, here are some troubleshooting tips to help you out:

  • Make sure that you connect all cables properly and that you configure correctly the TV and soundbar settings.
  • If the sound is distorted, check the audio format settings on your TV and soundbar. Make sure that they are set to the same format.
  • If you’re not getting any sound from the soundbar, check if it is powered on and that the volume is turned up.
  • If the soundbar is not connecting to your TV, try resetting both the TV and soundbar to their default settings.
  • If you’re experiencing sound delays or lip-sync issues, try adjusting the audio delay settings on either the TV or the soundbar to see if that resolves the problem.
  • If the sound is cutting in and out, check for any interference from other wireless devices in the room. You may need to move your soundbar or TV to a different location to reduce interference.
  • If you’re using a soundbar with a subwoofer and the bass seems too weak or non-existent, make sure that the two devices are properly connected to each and the volume is turned up.

Onn. Soundbar Setup Complete!

By following the steps in this guide, you should be able to connect your Onn soundbar to your TV and enjoy high-quality audio from your favorite movies, TV shows, and music. If you encounter any issues during the setup process, don’t hesitate to refer to the user manual or reach out to Onn customer support for assistance.

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