How to Choose a Soundbar for Your TV

If your TV’s dialogue is hard to understand or movies sound flat, the right soundbar can make a noticeable difference. The best choice depends less on buying the biggest bar and more on matching three things:

1. Your listening goal — clearer speech, stronger bass, or more convincing surround sound.
2. Your TV’s connections and audio features — especially HDMI ARC or eARC, optical output, and audio passthrough.
3. Your room and TV setup — including the soundbar’s width, placement, subwoofer needs, and whether rear speakers are practical.

Start with the sound problem you want to solve

For clearer dialogue

Look for a soundbar with:

• A dedicated center channel, often shown by the middle number in a format such as 3.1.
• A dialogue or voice-enhancement mode.
• Clear placement directly below or near the TV.
• Enough separation between voices, music, and effects for your room.

A basic 2.0 soundbar can be clearer than built-in TV speakers, but a 3.0 or 3.1 design may be a better fit if dialogue is your main priority. Voice modes can help, but they may also make speech sound thinner or less natural, so treat them as a useful setting rather than a guarantee.

For stronger bass

Choose a system with a separate wireless or wired subwoofer if you want more impact from:

• Action movies
• Music
• Games
• Explosions and other low-frequency effects

A 2.1 or 3.1 system adds a subwoofer to the left/right or left/center/right soundbar channels. A subwoofer needs suitable floor space and may not be ideal if neighbors, thin walls, or shared living spaces make bass a concern.

For a wider movie soundstage

A wider bar can create more separation between left and right effects, but width alone does not create true surround sound. For a more enveloping setup, consider:

• A soundbar with virtual surround processing.
• A bar with side-firing or upward-firing speakers.
• Optional rear speakers.
• A system that supports the surround formats used by your TV and streaming sources.

Surround performance depends on room shape, speaker placement, content, and calibration. A compact bar may be easier to place, while a larger system may need more space and careful positioning.

Understand soundbar channel formats

Channel labels describe the speaker layout, but they do not tell the whole performance story.

Format	What it generally means	Best suited to
2.0	Left and right channels, with no separate subwoofer	Clearer everyday TV sound in a simple setup
2.1	Left and right channels plus a subwoofer	TV, music, and movies with more bass
3.0	Left, center, and right channels	Dialogue clarity without a separate subwoofer
3.1	Left, center, and right channels plus a subwoofer	Dialogue plus stronger movie sound
5.1	Front channels, surround channels, and a subwoofer	More conventional surround sound
5.1.2 or similar	Surround channels plus height channels	Compatible immersive or height-effect formats

The first number generally refers to the main speaker channels. The second refers to a subwoofer. A third number, when present, refers to height channels.

These labels are useful starting points, not a complete quality rating. A well-designed 3.1 soundbar may be more useful for dialogue than a larger system with poor placement. Similarly, a system labeled for immersive sound may not produce convincing height effects in every room.

Match the soundbar to your TV’s audio connections

HDMI ARC and eARC

HDMI ARC, or Audio Return Channel, sends audio from the TV back to the soundbar through an HDMI cable. This lets you connect many sources to the TV while sending the TV’s sound to the bar.

HDMI eARC is a newer version with greater audio bandwidth and support for more advanced audio formats, depending on the devices and settings involved.

For the simplest modern setup:

1. Connect the soundbar’s HDMI ARC or eARC port to the TV’s HDMI port labeled ARC or eARC.
2. Turn on the TV’s HDMI-CEC control feature if required for power and volume control.
3. Set the TV audio output to HDMI ARC/eARC or external speakers.
4. Choose the appropriate digital audio output setting.
5. Test both streaming apps and connected devices.

Both the TV and the soundbar need to support the features you want. An eARC-compatible soundbar cannot add eARC capability to a TV that only has standard ARC.

Optical audio

Optical, also called TOSLINK, is a common digital connection that can work well for basic TV audio.

Advantages include:

• Simple setup.
• Wide availability on TVs and soundbars.
• No need to use the TV’s HDMI-CEC controls.

Limitations can include:

• Less support for newer or higher-bandwidth audio formats than eARC.
• Fewer device-control features.
• Possible need to use a separate remote for volume, depending on the TV and soundbar.

Optical is a sensible choice when your TV lacks ARC or eARC, or when you want a straightforward connection for stereo and conventional surround audio.

Bluetooth

Bluetooth can be useful for music playback or temporary listening, but it is usually not the first choice for TV audio. Wireless audio may introduce delay, and TV compatibility varies.

Use a wired digital connection when possible, especially for movies, shows, or gaming where lip-sync matters.

HDMI passthrough

Some soundbars include HDMI input and output connections. This is called HDMI passthrough.

Passthrough can allow a source device—such as a streaming box, game console, or disc player—to connect to the soundbar before the video continues to the TV. This may help when the soundbar supports an audio format that the TV cannot pass through.

However, passthrough introduces more compatibility questions:

• Does the soundbar support the source device’s video resolution and refresh features?
• Does it support the HDR or gaming features you use?
• Does the TV accept the signal correctly?
• Will you need to change inputs on the soundbar?

If you connect most devices directly to the TV, ARC or eARC is often simpler. If you need the soundbar to handle audio decoding that the TV cannot pass through, HDMI passthrough may be useful.

Do not confuse decoding with passthrough

These terms describe different jobs.

Decoding

A soundbar decodes an audio format when it receives that format and converts it into sound through its own speakers. The soundbar must support the format for this to work.

Passthrough

A device passes an audio or video signal along without necessarily decoding it. For example, a TV may pass audio from a connected source to a soundbar, but the TV’s passthrough support may be limited by its hardware or settings.

A setup can fail even when the soundbar supports a format if the source or TV does not pass that signal correctly. Check the complete signal path:

Source device → TV or soundbar → soundbar speakers

For each step, confirm:

• The connection type.
• Supported audio formats.
• Video requirements if HDMI passthrough is involved.
• Whether the TV is set to output compatible audio.

Choose the right size for your TV and furniture

A soundbar does not need to be the exact width of the TV, but its size affects appearance, placement, and sometimes stereo separation.

Measure the available space

Before buying, check:

• The width of the shelf or media console.
• The height between the console and the bottom of the TV.
• Whether the TV stand leaves room for the bar.
• The depth of the soundbar.
• The location of the TV’s remote sensor.
• Clearance for upward-firing speakers, if included.
• Space beside or behind the seating position for optional rear speakers.

A soundbar that blocks the lower edge of the screen or the TV’s remote sensor can be frustrating even if it sounds good.

Consider TV stand and wall mounting

If the TV is wall-mounted, the soundbar may also need wall mounting or a shelf below it. Follow the manufacturer’s placement guidance, particularly for upward-firing speakers.

If the TV sits on a narrow stand, a separate subwoofer may be more difficult to position. Measure the complete system, not just the main bar.

Select a system format based on the room

Small room or simple setup

A compact 2.0 or 2.1 soundbar may be the most practical option when:

• Seating is close to the TV.
• You mainly watch news, sitcoms, and general streaming content.
• You want better clarity without additional speakers.
• Space is limited.

Medium room with dialogue concerns

A 3.0 or 3.1 system is often worth considering when dialogue is the priority but you also want fuller movie sound. The dedicated center channel can give speech a more specific place in the soundstage.

Movie-focused setup

A 5.1 system or a system with optional rear speakers can make sense when:

• You regularly watch movies or surround-mixed shows.
• Your seating position is stable.
• You can place rear speakers correctly.
• You are willing to manage more cables, power outlets, and settings.

Open-plan or irregular rooms

Virtual surround and height effects can be less predictable in rooms with open sides, high ceilings, unusual wall angles, or seating far off-center. In these spaces, prioritize clear front-channel sound and dialogue rather than buying a system solely for its surround label.

Use this TV and soundbar connection checklist

Before buying, verify the following.

TV ports

• Does the TV have HDMI ARC or eARC?
• Does it have an optical audio output?
• How many HDMI inputs remain available after connecting your other devices?
• Are your preferred devices connected to the TV or directly to the soundbar?

Soundbar ports

• Does the soundbar have the same connection you plan to use?
• If using eARC, do both the TV and soundbar support eARC?
• If using HDMI passthrough, does it support your required video features?
• Does it include the inputs needed for your sources?

Audio formats

• Which formats does the TV output?
• Which formats does the soundbar decode?
• Does your streaming device or game console send audio directly or through the TV?
• Do you need multichannel or immersive audio, or is clear stereo sound enough?

Exact format support varies by model and may depend on firmware, apps, region, and connection method. Check the TV and soundbar manuals rather than relying only on a product’s channel label.

Control and setup

• Can the TV remote control the soundbar volume?
• Does HDMI-CEC work reliably between the devices?
• Is there a dedicated soundbar app, and is it required for setup?
• Can you adjust dialogue, bass, and synchronization?
• Is automatic room calibration included, and will you be able to position the speakers as required?

Fix common setup problems

No sound

Check that:

1. The cable is connected to the TV’s ARC/eARC port, not an ordinary HDMI port.
2. The TV output is set to the soundbar or external audio system.
3. The soundbar is set to the correct input.
4. The TV’s digital audio output uses a mode the soundbar supports.
5. HDMI-CEC is enabled if the setup depends on it.

Audio and video are out of sync

Try:

• Switching from Bluetooth to HDMI or optical.
• Adjusting the TV’s audio delay.
• Adjusting the soundbar’s lip-sync control.
• Testing a different audio output mode.
• Checking whether a connected source is adding its own delay.

If only one source has a delay, the problem may be with that source or its connection rather than the soundbar itself.

Surround or advanced audio is not working

Confirm the entire chain supports the desired format:

Source → TV or passthrough connection → soundbar

Also check the TV’s digital audio output setting. Some TVs default to a mode that converts or limits the signal.

Dialogue still sounds unclear

Try these practical changes:

• Move the soundbar closer to ear level.
• Make sure the TV or console is not blocking it.
• Turn on dialogue enhancement.
• Reduce excessive bass if it masks voices.
• Check whether a night mode is compressing the sound too much.
• Reposition the subwoofer if low frequencies overwhelm the room.

A quick decision guide

Your priority	Start by considering	Main trade-off
Clearer TV dialogue	3.0 or 3.1 soundbar with a center channel	May cost more or take more space
Better bass	2.1 or 3.1 system with a subwoofer	Requires extra floor space and can disturb others
Movie surround	5.1 system or optional rear speakers	More setup, placement, and cable requirements
Small room	Compact 2.0 or 2.1 bar	Less physical separation and bass
Simple connection	HDMI ARC or optical	May limit advanced format support
Advanced audio	HDMI eARC, with compatible TV and sources	Requires matching support across the system
Few compatibility concerns	Connect sources to the TV and use ARC/eARC	Depends on the TV’s audio passthrough support

Choose the TV and soundbar as a system

A soundbar cannot compensate for every TV limitation. If you are choosing a new TV, check its audio connections before buying the bar.

Prioritize a TV with:

• HDMI ARC or eARC when you want a modern single-cable setup.
• Enough HDMI inputs for your streaming devices, consoles, and other sources.
• Audio output settings that match your planned soundbar.
• A stand and screen position that leave room for the soundbar.
• A size that fits both your viewing distance and the available furniture.

If you already own a soundbar, use its required connection and audio formats as part of your TV shortlist. If you are buying both at once, decide whether you value dialogue clarity, bass, or surround sound most before comparing models.

When you are ready to match screen size, viewing distance, and room constraints, Browse TVs and choose a TV that leaves the right space and connections for your audio setup.