How to Connect Your Samsung Soundbar to Your TV

The fastest way: HDMI eARC or optical cable

Most Samsung soundbars connect to your TV in one of two ways: HDMI eARC (the newer, simpler method) or a digital optical cable (the older, more reliable fallback). HDMI eARC is faster to set up if your TV supports it—you plug one cable into the eARC port on your TV and the matching port on the soundbar, then turn on eARC in your TV's settings. If your TV doesn't have eARC or it isn't working, an optical cable does the same job and works on almost every TV made in the last 15 years.

Before you start, check the back of your TV for the label "eARC" or "ARC" next to an HDMI port—usually HDMI 3 or 4. If you don't see it, or if you want the backup method, look for a port labeled "Digital Audio Out (Optical)" or a small square hole about the size of a headphone jack. Your soundbar manual will tell you which ports it has.

Key Takeaways

HDMI eARC is the simplest connection if your TV has an eARC port—plug in the cable and enable eARC in your TV's sound settings.
A digital optical cable works on any TV with an optical port and is the most reliable backup if eARC fails or isn't available.
After connecting the cable, you must tell your TV to send sound to the soundbar, not the TV speakers, in the audio output settings.
If the soundbar doesn't turn on automatically when you play sound, check that the TV is set to send audio through the correct port.
Some Samsung soundbars also support Bluetooth or Wi-Fi, which work without a cable but require pairing first.

Setting up HDMI eARC step by step

Locate the eARC port on your TV—it's usually HDMI 3 or 4, and the manual or the TV's back panel will label it. Plug one end of an HDMI cable into that port and the other end into the eARC port on your soundbar. Power on both devices.

On your TV remote, go to Settings > Sound > Sound Output (the exact path varies by TV model, but these words appear in most Samsung TVs). Look for an option called HDMI eARC, eARC, or Digital Output and select it. Some TVs also have a separate toggle for eARC that you need to turn On. Once you've made the change, test it by playing something on your TV—you should hear sound from the soundbar, not the TV speakers.

If the soundbar doesn't respond, go back to Sound Output and make sure TV Speaker is set to Off. Some TVs default to playing sound through both the TV and the soundbar, which can be confusing. Turning off the TV speaker forces all sound to the soundbar.

Using a digital optical cable instead

If your TV doesn't have eARC, or if you tried eARC and it didn't work, a digital optical cable is your next step. Find the optical port on your TV—it's a small square hole, usually labeled "Digital Audio Out (Optical)" or "Optical." On the soundbar, find the matching port, also labeled "Optical" or "Digital In."

Plug the optical cable into both ports. The cable is directional—the end going into the TV is the "out" end, and the end going into the soundbar is the "in" end, but the connectors are the same shape, so you can't plug them in backwards. Power on both devices.

On your TV, go to Settings > Sound > Sound Output and select Optical or Digital Audio Out. Play something on your TV to test. If you hear sound from the soundbar, you're done. If not, go back and make sure TV Speaker is set to Off.

Connecting via Bluetooth or Wi-Fi

Some Samsung soundbars, especially newer models, support Bluetooth or Samsung's proprietary Wi-Fi connection (sometimes called SpaceFit Sound or Q-Symphony). These methods don't require a cable, but they do require pairing first.

For Bluetooth, press the Bluetooth button on your soundbar remote or the soundbar itself—usually a button labeled with a Bluetooth symbol. The soundbar will enter pairing mode (you'll hear a tone or see a light). On your TV, go to Settings > Sound > Bluetooth Speaker List (or Bluetooth Audio Devices, depending on your TV model) and select your soundbar from the list. Once paired, the TV will send sound to the soundbar over Bluetooth whenever it's on.

Wi-Fi connections like Q-Symphony work similarly but require both devices to be on the same Wi-Fi network and sometimes require the Samsung SmartThings app. Check your soundbar manual for the exact steps, as the process varies by model.

Troubleshooting when the soundbar won't turn on

If you've plugged in the cable and set the TV to the right output, but the soundbar still doesn't make sound, start with the simplest checks: make sure the soundbar is powered on (look for a light on the front), and make sure the volume isn't muted or turned all the way down on the soundbar remote.

Next, unplug the soundbar for 30 seconds, then plug it back in. This resets the connection and often fixes minor glitches. While it's unplugging, also restart your TV by holding the power button for 10 seconds. Once both devices are back on, test again.

If you're using HDMI eARC, try switching to optical instead. eARC is newer and sometimes doesn't work on older TV models, even if the TV has an eARC port. An optical cable is more likely to work on the first try. If optical works but eARC doesn't, stick with optical—there's no advantage to eARC if it's not stable on your setup.

When to call Samsung support

If you've tried both HDMI eARC and optical, restarted both devices, and the soundbar still doesn't receive sound, the issue is likely a hardware problem—either a faulty port on the TV or soundbar, or a defective cable. Try borrowing a cable from a friend to rule that out first.

If a different cable doesn't help, contact Samsung support with the model numbers of your TV and soundbar. They can walk you through less common settings or determine whether the soundbar needs repair. Most Samsung soundbars come with a one-year warranty, so if it's new and the port is broken, Samsung will replace it.

Frequently Asked Questions

Do I need both HDMI and optical cables at the same time?

No. Use one or the other. If you plug in both, your TV might try to send sound through both, which can cause delays or confusion about which one is actually working. Pick the one that works best on your setup and leave the other unplugged.

Why does my soundbar turn on and off randomly?

This usually means the TV is losing the connection to the soundbar. If you're using HDMI eARC, try switching to optical. If you're using Bluetooth, move the soundbar closer to the TV or remove obstacles between them. If it's a Wi-Fi connection, restart your router and re-pair the soundbar to your network.

Can I use the soundbar with other devices like a cable box or gaming console?

Yes, but only if those devices are connected to your TV. The soundbar receives sound from the TV, not directly from other devices. So if you want sound from your cable box through the soundbar, the cable box must be plugged into your TV's HDMI input, and the TV must be set to send that audio to the soundbar.

What if my TV doesn't have eARC or optical?

Very old TVs sometimes have neither. In that case, Bluetooth is your only option if the soundbar supports it. If the soundbar doesn't have Bluetooth either, you would need to replace the TV or soundbar to get them to work together.

Does the soundbar need to be the same brand as my TV?

No. Any soundbar works with any TV as long as they share a connection type—HDMI, optical, Bluetooth, or Wi-Fi. Samsung soundbars work with LG, Sony, or any other brand of TV. The connection is the same.

This guide is for general information only and is not medical, financial, legal, or other professional advice. For decisions specific to your situation, consult a qualified professional. See our Editorial Policy.