Connect Your Soundbar Using the HDMI Cable
The fastest way to connect a Samsung soundbar to your TV is with an HDMI cable. Plug one end into the HDMI port on the back of your soundbar and the other end into any available HDMI port on your TV. The soundbar will power on automatically when your TV turns on, and audio will route through the soundbar instead of your TV's built-in speakers. This method works with nearly all Samsung soundbars made in the last five years.
HDMI is better than older connections because it carries both audio and video in one cable, and it supports higher-quality sound formats. If your TV and soundbar are close together, a standard 6-foot HDMI cable is usually enough. If they are farther apart, buy a longer cable — they cost the same and prevent strain on the ports.
Some Samsung soundbars have two HDMI ports: one labeled HDMI IN and one labeled HDMI OUT (or eARC). Use the HDMI IN port for this connection. The HDMI OUT port is for a different setup where your soundbar sits between your TV and cable box, which most people do not need.
Key Takeaways
- Plug the HDMI cable into the HDMI IN port on your soundbar and any HDMI port on your TV; the soundbar will turn on when your TV does.
- HDMI is the simplest connection method and works with all recent Samsung soundbars without extra setup steps.
- If your soundbar has two HDMI ports, use the one labeled HDMI IN, not HDMI OUT.
- After connecting, check your TV's sound settings to make sure audio is not still playing through the TV speakers.
Check Your TV's Sound Output Settings
After you plug in the HDMI cable, your TV may still send audio to its own speakers instead of the soundbar. Go to your TV's settings menu — usually found by pressing the Menu or Home button on your remote — and look for Sound, Audio, or Speaker settings. The exact path depends on your TV model, but it is typically under Settings > Sound > Speaker or Settings > Audio Output.
Look for an option called Speaker Select, Audio Output, or Sound Output. Change it from TV Speaker to External Speaker, HDMI, or Soundbar. Some TVs call this setting Optical Out or Digital Audio Out. Once you change it, your TV will send all sound to the soundbar. Test it by turning up the volume on the soundbar remote; if the soundbar responds, the connection is working.
If you cannot find the setting or your TV does not have one, your soundbar may have automatically taken over audio output when you plugged it in. Play something on your TV — a streaming app, broadcast, or movie — and listen to see where the sound comes from. If it comes from the soundbar, you are done.
Use HDMI eARC for a Cleaner Cable Setup
If your TV and soundbar both support HDMI eARC (enhanced Audio Return Channel), you can connect the soundbar to your TV's eARC port instead of a regular HDMI port. This lets you use one HDMI cable to send sound from your TV to the soundbar and also send video from other devices through your TV to the soundbar. It reduces the number of cables you need.
Check your TV's manual or the back panel to find which HDMI port supports eARC — it is usually labeled eARC or ARC and is often port 3 or 4. Plug the HDMI cable into that port on your TV and into the HDMI OUT port on your soundbar. Then go to your TV's sound settings and select eARC or HDMI as the audio output. eARC works the same way as a regular HDMI connection once it is set up, but it is cleaner if you have a cable box, streaming device, or game console plugged into your TV.
Not all Samsung soundbars have eARC, and not all TVs support it. If your soundbar manual does not mention eARC, use a regular HDMI IN port instead. eARC is a convenience feature, not a requirement.
Troubleshoot When Sound Does Not Come Through
If you plugged in the HDMI cable but hear nothing from the soundbar, start by checking the cable itself. Unplug it from both ends and plug it back in firmly — a loose connection is the most common cause. Make sure you are using the HDMI IN port on the soundbar, not HDMI OUT. Check that the soundbar is powered on; most Samsung soundbars have a small LED light on the front that glows when they are ready.
Next, check your TV's sound settings again. Go back to Settings > Sound and confirm that the audio output is set to External Speaker, Soundbar, or HDMI — not TV Speaker. If your TV has an option for HDMI Format or HDMI Audio, make sure it is set to Auto or PCM, not Dolby Digital or another specific format. Some older soundbars do not support all audio formats, and Auto is the safest choice.
If sound still does not work, try a different HDMI port on your TV. Some ports may not carry audio, or one port may work better than another. If you have a different HDMI cable at home, swap it in to rule out a bad cable. If the soundbar works with a different cable, the first cable is damaged and should be replaced.
When to Use HDMI Instead of Optical or Bluetooth
Samsung soundbars often come with optical and Bluetooth options as well as HDMI. HDMI is the best choice because it supports the most sound formats and requires the least setup. Optical cables work too, but they carry lower-quality audio and require you to manually switch inputs if you use multiple devices. Bluetooth is wireless and convenient, but it can drop the connection if something blocks the signal, and it does not work as well for movies or games where sound timing matters.
Use HDMI as your main connection. Keep optical or Bluetooth as a backup if you want to connect a second device — for example, a portable speaker or a phone — without unplugging the TV. Most people set up HDMI once and never change it.
Position Your Soundbar for the Best Sound
Once the HDMI cable is connected and working, where you place the soundbar matters. Put it on a shelf or stand directly below or above your TV, or as close to that position as your furniture allows. Sound travels in a straight line, so if the soundbar points toward you, you will hear it better. Avoid putting it inside a closed cabinet or behind a door, which muffles the sound.
If your soundbar has a subwoofer, place the subwoofer on the floor to the side of your TV, away from corners. Corners can make bass sound boomy and uneven. The subwoofer connects to the soundbar wirelessly, so you do not need another cable. Test the sound by playing a movie or show with dialogue and bass — you should hear voices clearly from the soundbar and feel bass from the subwoofer.
Frequently Asked Questions
Do I need to turn on the soundbar manually every time I use my TV?
No. When you connect the soundbar with HDMI, it powers on automatically when your TV turns on and powers off when your TV turns off. This is called CEC (Consumer Electronics Control) and works on most Samsung soundbars and TVs made in the last five years. If your soundbar does not turn on with your TV, check your TV's settings for an option called HDMI-CEC, Anynet+, or Bravia Sync, and turn it on.
Can I connect my soundbar to my TV with HDMI if my TV is very old?
If your TV is older than 10 years, it may not have HDMI ports at all, or the HDMI ports may not support audio. Check the back of your TV for HDMI ports — they are rectangular and smaller than older cable ports. If your TV has HDMI but sound does not work, use an optical cable instead. Optical cables are cheap and work with almost all older TVs and soundbars.
What if my soundbar has only one HDMI port?
If your soundbar has only one HDMI port and no HDMI OUT, use that port to connect to your TV. You cannot use eARC with a single-port soundbar, but you can still get full sound quality. If you need to connect a cable box or streaming device, plug it into your TV instead of the soundbar, and your TV will send the audio to the soundbar through HDMI.
Will HDMI work if my soundbar and TV are in different rooms?
HDMI cables work reliably up to about 50 feet, but longer runs can lose signal. If your soundbar and TV are far apart, use an optical cable instead — optical works over longer distances without signal loss. You can also use a wireless connection like Bluetooth if your soundbar supports it, though it is less reliable than a wired cable.
Do I need to buy a special HDMI cable for a soundbar?
No. Any standard HDMI cable works with any Samsung soundbar. You do not need a cable labeled "high-speed" or "premium" — a basic cable costs a few dollars and performs the same. Make sure the cable is long enough to reach from your TV to your soundbar without stretching.