How to Connect Soundbar to Samsung TV Using HDMI

If you want to upgrade your Samsung TV's audio without a complicated setup, learning how to connect soundbar to Samsung TV using HDMI is the most reliable path forward. HDMI connections deliver uncompressed digital audio, support advanced surround sound formats, and allow your TV remote to control the soundbar volume — a major convenience upgrade over older connection methods. Whether you're setting up a brand-new soundbar or replacing a basic optical cable setup, this guide walks you through every step clearly.

Samsung TVs support two HDMI audio standards: ARC (Audio Return Channel) and the newer eARC (Enhanced Audio Return Channel). Both let audio travel from your TV back to the soundbar through a single HDMI cable, but eARC carries significantly more bandwidth, unlocking formats like Dolby Atmos and DTS:X in full lossless quality. If you're still using an optical cable, you may want to read our guide on how to connect a soundbar to Samsung TV using optical cable for a comparison before deciding which connection suits your setup. For a broader overview of all connection options, see our full guide on how to connect soundbar to Samsung TV.

Understanding HDMI ARC and eARC on Samsung TVs

Before you physically connect anything, it helps to understand what makes HDMI the superior choice for soundbar audio. Traditional HDMI cables carry video and audio from a source device to a TV. ARC and eARC flip part of that signal path, allowing audio to travel back from the TV to your soundbar. This two-way communication happens over a single HDMI cable, which simplifies wiring and eliminates the need for a separate optical or RCA audio cable.

ARC vs eARC: Key Differences

ARC was introduced with HDMI 1.4 and has been standard on Samsung TVs for many years. It supports compressed audio formats including Dolby Digital 5.1 and DTS 5.1 — a solid improvement over stereo TV speakers, but not capable of carrying lossless formats. eARC arrived with HDMI 2.1 and dramatically increases the audio bandwidth. With eARC, your soundbar can receive full Dolby TrueHD, Dolby Atmos, DTS-HD Master Audio, and DTS:X — the same formats you'd find on a Blu-ray disc. To understand this distinction in more depth, our article on HDMI eARC vs ARC covers the technical differences and helps you decide which standard matters for your specific soundbar.

Which HDMI Port Should You Use?

Samsung TVs label the correct port clearly. Look for a port marked HDMI ARC or HDMI eARC on the back or side of your TV — it is almost always HDMI port 1 or port 2, but always check your TV's label directly. Using any other HDMI port will not work for audio return. On your soundbar, the port is typically labeled HDMI OUT (TV-ARC) or simply HDMI ARC. Match the ARC port on the TV to the ARC/eARC output on your soundbar.

What You Need Before You Start

A successful HDMI soundbar connection depends on having the right hardware. Attempting the setup with an incorrect cable type or an incompatible soundbar can lead to frustrating troubleshooting sessions that are entirely avoidable.

Cables and Equipment Checklist

For basic ARC connections, a standard High Speed HDMI cable (HDMI 1.4 or higher) is sufficient. However, if your TV supports eARC and your soundbar also supports it, you should use a Premium High Speed HDMI cable or an Ultra High Speed HDMI cable (HDMI 2.1 certified) to ensure the higher bandwidth is available. Cheap, uncertified HDMI cables are one of the most common causes of eARC connection failures. Look for cables with the HDMI certification label on the packaging.

Checking Soundbar Compatibility

Not every soundbar includes an HDMI ARC port — some entry-level models offer only optical or Bluetooth connections. Check your soundbar's rear panel or its product manual for an HDMI port labeled ARC or eARC. If your soundbar only has a standard HDMI IN port (not ARC), it cannot use audio return and will not work for this connection method. You'll also want to verify that your Samsung TV model supports the ARC or eARC standard on its HDMI ports — this information is in your TV's settings menu under Sound Output or in the product specifications on Samsung's website. Browsing our soundbar guides can help you identify models with full HDMI ARC/eARC support if you're considering an upgrade.

Step-by-Step: How to Connect Soundbar to Samsung TV Using HDMI

With the right cable in hand and your equipment confirmed compatible, the physical setup is straightforward. The steps below apply to virtually all Samsung smart TV models and most major soundbar brands.

Making the Physical Connection

Start with both devices powered off. Locate the HDMI ARC or eARC port on your Samsung TV — again, it is labeled directly on the port. Plug one end of your HDMI cable firmly into that port. Run the cable to your soundbar and connect the other end to the HDMI OUT (TV-ARC) port on your soundbar. Ensure both ends are fully seated — a partially inserted HDMI connector is another common source of connection problems. Power on your soundbar first, then power on your Samsung TV. In many cases, your TV will automatically detect the soundbar and prompt you to switch audio output.

Configuring Samsung TV Audio Settings

If audio doesn't automatically route to your soundbar, you'll need to configure the settings manually. The menu path differs slightly by TV generation, but the steps below cover most Samsung smart TVs:

1. Press the Home button on your Samsung remote.
2. Navigate to Settings (the gear icon).
3. Select Sound, then Sound Output.
4. Choose ARC or the name of your connected soundbar from the list.
5. Confirm the selection and test playback.

On newer Samsung Tizen TVs, the path may be Settings > Sound > Expert Settings > HDMI Audio Format where you can also select the audio format (PCM, Bitstream, or Auto). For most setups, setting this to Auto or Bitstream delivers the best audio quality.

Enabling Anynet+ (HDMI-CEC) for Remote Control

One of the biggest advantages of using HDMI over optical is the ability to control your soundbar's volume directly from your Samsung TV remote. This feature works through a protocol called Consumer Electronics Control (CEC), which Samsung brands as Anynet+. Without it enabled, you'll need to use two separate remotes — a significant inconvenience.

What Is Anynet+?

Anynet+ is Samsung's implementation of the HDMI-CEC standard, a protocol that allows multiple HDMI-connected devices to communicate with each other through the HDMI cable. When Anynet+ is active, powering on your TV can automatically power on your soundbar, and adjusting the TV volume sends volume commands directly to the soundbar. Muting the TV mutes the soundbar. It effectively turns your Samsung remote into a universal controller for your home theater stack.

How to Enable Anynet+ on Samsung TV

1. Press the Home button on your remote.
2. Go to Settings > General (or General & Privacy on newer models).
3. Select External Device Manager.
4. Toggle Anynet+ (HDMI-CEC) to On.

You'll also need to enable CEC on your soundbar — most brands call it something slightly different (LG calls it SimpLink, Sony uses Bravia Sync, etc.), so check your soundbar's manual for the equivalent setting name and location. Both devices must have CEC enabled for the feature to work correctly.

Choosing the Right Audio Format Settings

After the physical connection and Anynet+ setup are complete, fine-tuning your audio format settings ensures you're getting the best possible sound from your soundbar. Samsung TVs offer several audio output format options, and choosing the wrong one can limit your soundbar's capabilities or even produce no audio at all.

Dolby and DTS Passthrough

The Bitstream setting tells your Samsung TV to pass the original encoded audio signal — Dolby Digital, Dolby Atmos, DTS, etc. — directly to the soundbar without decoding it first. The soundbar then decodes the audio itself, which is the preferred method when your soundbar supports those formats natively. The PCM setting has the TV decode the audio first and send a simpler stereo or multi-channel PCM signal. Use PCM if you experience compatibility issues with Bitstream, but note that you'll lose access to advanced surround formats. The Auto setting instructs the TV to detect the soundbar's capabilities and send the highest quality signal it can handle.

Audio Format Comparison Table

If you've added a subwoofer to your soundbar setup, configuring the crossover and bass settings correctly makes a significant difference. Our guide on how to connect Samsung soundbar to subwoofer covers that process in detail. Additionally, once your soundbar is connected and producing sound, experimenting with EQ settings can further improve audio quality — our article on how to adjust soundbar EQ settings for best sound is a practical next step.

Troubleshooting Common HDMI Soundbar Issues

Even when you follow every step correctly, HDMI soundbar connections occasionally run into problems. The issues below are the most frequently reported and are almost always solvable without professional help or replacement hardware.

No Sound from Soundbar

If your Samsung TV displays a picture but your soundbar produces no audio, work through this checklist:

• Verify the correct HDMI port: Confirm your cable is in the labeled ARC or eARC port on the TV, not a standard HDMI input port.
• Check Sound Output setting: Go to Settings > Sound > Sound Output and confirm ARC is selected, not TV Speaker or Bluetooth.
• Power cycle both devices: Turn off both the TV and soundbar completely (unplug from power), wait 30 seconds, then power the soundbar on first, followed by the TV.
• Try a different HDMI cable: Swap in a certified Premium High Speed HDMI cable to rule out a faulty cable.
• Check soundbar input: Make sure the soundbar's input is set to HDMI ARC / D.IN, not Bluetooth or optical.
• Update firmware: Outdated firmware on either device is a known cause of ARC/eARC handshake failures. Check for updates in your TV's Support menu and your soundbar's companion app.

Audio Sync and Lip Sync Problems

Audio delay — where the sound arrives slightly before or after the on-screen action — is a common complaint with HDMI soundbar connections. Most Samsung TVs include an audio delay adjustment under Settings > Sound > Expert Settings > Digital Output Audio Delay. Increasing this value delays the audio output to match the video. Many soundbars also include their own delay adjustment in their settings menu or companion app. If you're experiencing persistent sync issues specifically with streaming apps rather than cable or broadcast TV, the problem may be in the app's own audio buffering — try adjusting the delay while watching a live channel to isolate the source.

If your soundbar has multiple sound modes and you're unsure which to use for movies versus music versus gaming, our breakdown of soundbar sound modes explained covers each mode's purpose and best use cases in plain language.

Frequently Asked Questions