How to Connect a Soundbar to a TV

The simplest answer

For most setups, connect the soundbar’s HDMI ARC or eARC port to the TV’s HDMI port labeled ARC or eARC. Then:

1. Enable the TV’s HDMI-CEC and ARC/eARC settings.
2. Set the TV’s audio output to HDMI ARC/eARC or external speakers.
3. Select the correct soundbar input.
4. Test volume control with the TV remote.

This connection usually offers the best balance of sound quality, convenience, and control. It allows the TV to send audio from built-in streaming apps and connected devices to the soundbar. HDMI-CEC can also let the TV remote control soundbar volume and power.

If either device does not have ARC or eARC, use an optical cable. Bluetooth can work for simple wireless playback, but it is usually less suitable as the main connection for TV viewing because of possible delay, limited format support, or less reliable remote control.

Choose the connection based on your goal

Your priority	Recommended connection	Why
Best all-around TV setup	HDMI eARC	High-capability audio return and convenient control, when both devices support it
Simple setup with broad compatibility	HDMI ARC	Carries TV audio and commonly supports HDMI-CEC remote control
Your TV or soundbar lacks ARC/eARC	Optical	Straightforward digital audio connection
Minimal cables or occasional listening	Bluetooth	Convenient, but possible latency and limited TV integration
Several external devices and a soundbar with HDMI inputs	Source devices to soundbar, then soundbar to TV	Can help the soundbar receive formats the TV cannot pass through, depending on the equipment

The labels on your equipment matter more than the cable’s marketing name. Check the ports and manuals for both the TV and soundbar before buying a cable or changing settings.

HDMI ARC and eARC: the preferred connection

What ARC and eARC do

ARC stands for Audio Return Channel. It lets the TV send audio back through an HDMI cable to the soundbar instead of requiring a separate audio cable.

eARC is the newer version with greater audio capability and more robust support for advanced formats. The actual result still depends on the TV, soundbar, source device, streaming app, and audio setting. Two products with eARC ports may not support exactly the same formats.

Look for these labels:

• TV: HDMI ARC or HDMI eARC
• Soundbar: HDMI OUT (ARC/eARC) or a similar output label
• TV settings: HDMI-CEC, Anynet+, Simplink, Bravia Sync, Viera Link, or another manufacturer-specific name

The soundbar normally connects to the TV’s HDMI OUT (ARC/eARC) port. Do not assume that any HDMI port will work.

Why HDMI is convenient

With a properly configured HDMI ARC or eARC connection, you can often:

• Hear audio from the TV’s internal streaming apps
• Send audio from devices connected to the TV
• Adjust soundbar volume with the TV remote
• Turn the soundbar on and off with the TV
• Reduce the number of cables in the setup

These features depend on HDMI-CEC being enabled and implemented consistently across the devices. If volume control does not work, the audio connection may still be functioning; the control setting may simply need adjustment.

Optical: the reliable fallback

Optical, also called TOSLINK, sends digital audio from the TV to the soundbar. It is useful when:

• The TV has no ARC/eARC port
• The soundbar has optical input but no HDMI ARC input
• HDMI-CEC causes control problems
• You want a straightforward connection with minimal setup

The trade-off is control and format flexibility. Optical generally does not provide the same two-way device control as HDMI-CEC, so you may need the soundbar remote or a universal-remote setup for volume. It also has more limited support for advanced audio formats than eARC.

To use optical:

1. Remove the protective caps from both ends of the optical cable, if present.
2. Connect the TV’s optical output to the soundbar’s optical input.
3. Set the soundbar input to Optical or D.IN.
4. Change the TV’s audio output to Optical or External Speakers.
5. If there is no sound, try PCM as the TV’s digital audio output setting.

Bluetooth: convenient, but not usually the best main connection

Bluetooth is useful when you want a cable-free connection or occasional audio playback. However, it can introduce compromises for TV use:

• Audio may arrive slightly after the picture.
• Surround or advanced audio support may be limited.
• The soundbar may not wake or switch inputs as reliably.
• Volume control may behave differently from HDMI ARC/eARC.
• The TV may connect to only one Bluetooth audio device at a time.

Use Bluetooth when convenience matters more than consistent home-theater performance. For regular TV, movies, and gaming, HDMI ARC/eARC is usually the better starting point.

Understand decoding, passthrough, and speaker performance

A connection does not automatically determine how good the soundbar will sound. Three separate issues are involved.

Decoding

Decoding is the process of interpreting an audio format. The TV, soundbar, or source device may perform this job.

For example, a streaming device might send an audio signal to the TV, while the TV passes it to the soundbar. Whether the soundbar receives a surround signal or a converted format depends on the device capabilities and settings.

Passthrough

Passthrough means a device receives an audio signal and forwards it without converting it into a different output format. A TV’s passthrough behavior can vary by input, app, audio format, and model.

If a particular source is not producing the expected sound:

• Check the source device’s audio output setting.
• Check the TV’s digital audio output or passthrough setting.
• Check the soundbar’s supported formats.
• Compare the result with the source connected directly to the soundbar, if the soundbar has HDMI inputs.

A TV with eARC may be a better fit for an advanced audio system, but the port alone does not guarantee a specific format or listening result.

Speaker performance

The soundbar’s physical design still matters after the signal reaches it. Connection quality cannot compensate for:

• Limited bass capability
• Weak dialogue reproduction
• Poor room placement
• Blocked upward-firing or side-firing drivers
• A room that is too large for the soundbar’s design
• Seating positioned outside the intended listening area

When choosing a TV, treat the TV’s audio features and the soundbar’s speaker performance as separate decisions. A TV with eARC can provide a flexible connection, but it does not make a basic soundbar perform like a larger system.

Connection and setup checklist

Before connecting

Confirm the following:

• The TV and soundbar have compatible ports.
• You know which TV HDMI port is labeled ARC or eARC.
• The soundbar’s HDMI port is labeled HDMI OUT, ARC, or eARC.
• Your cable is long enough to avoid sharp bends.
• The soundbar will not block the TV’s remote sensor or the bottom of the screen.
• The soundbar’s speakers will not be covered by furniture.

For an HDMI setup, use a suitable HDMI cable and connect the TV ARC/eARC port to the soundbar ARC/eARC output. If your setup includes an older device or unusual cable arrangement, check the device manuals rather than assuming every HDMI cable and port will provide the same feature.

Recommended TV settings

Names vary by manufacturer, but look for settings similar to:

• Audio Output: External Speakers, HDMI ARC, or Receiver
• HDMI-CEC: On
• ARC/eARC: On or Auto
• Digital Audio Output: Auto, Passthrough, Bitstream, or PCM
• TV Speakers: Off or Audio System, if required

Start with Auto or Passthrough when your devices are compatible. Use PCM as a troubleshooting step if you get silence, dropouts, or an unsupported-format message. PCM can improve compatibility, but it may change the audio format being sent to the soundbar.

Recommended soundbar settings

On the soundbar:

• Select HDMI ARC/eARC, TV ARC, Optical, or the input you used.
• Turn on HDMI-CEC or the manufacturer’s equivalent control feature.
• Run any included room calibration process.
• Set the dialogue, bass, and surround levels to neutral before fine-tuning.
• Install firmware updates if the manufacturer provides them.

If the soundbar has an automatic input mode, confirm that it is selecting the connection you intended.

What to do if there is no sound

Work through these steps in order:

1. Confirm the soundbar has power.
2. Confirm both ends of the cable are fully inserted.
3. Verify that the cable is connected to the TV’s ARC/eARC port, not a standard HDMI port.
4. Select the matching input on the soundbar.
5. Set the TV audio output to the external soundbar or receiver.
6. Turn HDMI-CEC and ARC/eARC on.
7. Restart the TV and soundbar after changing the settings.
8. Try PCM for the TV’s digital audio output.
9. Test another source, such as a built-in TV app or connected streaming device.
10. Replace the cable only after checking the port and settings.

If the sound works but the volume buttons do not, check HDMI-CEC on both devices. If you used optical, volume may need to be controlled through the soundbar remote or a compatible universal remote.

Common setup mistakes

Connecting to the wrong HDMI port

Only the TV’s ARC/eARC port can return TV audio through HDMI. A regular HDMI input may display video from a source device but will not necessarily send audio to the soundbar.

Connecting the soundbar to the TV’s HDMI input

A soundbar’s ARC/eARC connection generally uses its HDMI output, not a standard HDMI input. Follow the labels printed on the soundbar.

Leaving the TV speakers active

Some TVs automatically switch to the soundbar. Others require you to select external audio manually. If both are active, you may hear an echo or two slightly different audio signals.

Expecting every source to behave the same way

Built-in TV apps, game consoles, streaming boxes, and disc players may use different audio settings. Test the source you actually use most rather than relying on one successful test.

Placing the soundbar poorly

Keep the front of the soundbar open. Do not place objects directly in front of it, and check that the TV stand does not block its drivers. If the soundbar uses upward-firing speakers, avoid enclosing them under a low shelf.

TV-buying implications

If you already own a soundbar, check for these TV features before buying:

• HDMI ARC or eARC
• HDMI-CEC support
• A clearly labeled external-audio setting
• Optical output, if your soundbar lacks HDMI ARC
• Audio passthrough options appropriate to your source devices

A TV with eARC may be the safer choice if you plan to use an advanced soundbar or add more capable audio equipment later. If you only need clear TV audio from a basic soundbar, ARC or optical may be sufficient.

Also consider the physical fit. The TV stand should leave room for the soundbar without covering the screen or blocking the TV’s remote sensor. If you are replacing the TV, use TVFit’s Browse TVs tools to compare models that fit your room, viewing distance, and connected equipment.

Bottom line

Use this order of preference for most home setups:

1. HDMI eARC when both devices support it and you want the most capable connection.
2. HDMI ARC for convenient TV audio and remote control.
3. Optical when ARC/eARC is unavailable or HDMI control is unreliable.
4. Bluetooth for occasional or cable-free listening where possible delay and limited control are acceptable.

The best connection is the one supported by both devices and configured for the sources you actually use. A compatible port helps, but the TV’s passthrough behavior, soundbar decoding, speaker design, placement, and control settings all affect the final experience.