If you're setting up a new soundbar or upgrading your home entertainment system, one essential piece you can't overlook is the HDMI cable for soundbar connection. Using the right cable can significantly improve sound quality and simplify your setup—especially if your TV and soundbar support HDMI ARC or eARC.

HDMI Cable for Soundbar
In this guide, we’ll explain what HDMI ARC means, how to connect your soundbar to your TV, and how to choose the best HDMI cable for soundbar audio—whether you're watching movies, gaming, or streaming.
HDMI vs Optical: Which Cable Is Better for Your Soundbar?
When connecting your soundbar, you typically have two main choices: HDMI ARC or an optical digital audio cable. Here's a quick comparison to help you decide:
| Feature | HDMI ARC / eARC | Optical Digital Audio Cable |
|---|---|---|
| Dolby Atmos support | ✅ (eARC required) | ❌ |
| One-cable TV control | ✅ (via HDMI-CEC) | ❌ |
| Lip sync correction | ✅ | ❌ |
| Uncompressed audio | ✅ (with eARC) | ❌ |
Verdict: If both your soundbar and TV support HDMI ARC or eARC, this is the preferred option for cleaner setup and better audio performance.
What Is HDMI ARC (and eARC)?
ARC stands for Audio Return Channel, a feature that allows your TV to send audio back to the soundbar using the same HDMI cable that delivers video from external sources like a Blu-ray player or streaming box.
eARC, or Enhanced Audio Return Channel, is an upgraded version that allows for lossless high-bitrate audio formats like Dolby TrueHD, DTS:X, and uncompressed 5.1/7.1 surround sound.
If you're wondering things like:
What does HDMI ARC mean?
What is ARC HDMI used for?
What is eARC HDMI?
Then you’re asking the right questions—because understanding these terms will help you unlock your soundbar’s full potential.
How to Connect a Soundbar to Your TV Using HDMI
Here’s a simple step-by-step guide on how to connect a soundbar using HDMI ARC or eARC:
Locate the HDMI ARC or eARC port on both your TV and soundbar. These are usually labeled “ARC” or “eARC.”
Use a compatible high-speed HDMI cable to connect the two devices.
Enable HDMI-CEC and ARC/eARC in the settings of both your TV and soundbar.
Disable the TV’s internal speakers, or select the soundbar as the default audio output.
Test playback using streaming content or Blu-ray to ensure high-quality audio is working properly.
These instructions address common queries like:
how to connect soundbar to TV with HDMI
connecting soundbar to TV with HDMI ARC
HDMI ARC cable for soundbar to TV
Choosing the Best HDMI Cable for Soundbar Audio
Not all HDMI cables are created equal. When buying an HDMI cable for soundbar connection, here’s what you should look for:
| Cable Feature | For ARC Use | For eARC Use |
|---|---|---|
| High-speed or ultra high-speed | ✅ | ✅ |
| HDMI 2.0 certified | ✅ | ✅ |
| HDMI 2.1 certified | Optional | ✅ (for full eARC support) |
| 48 Gbps bandwidth | Not required | ✅ |
| In-wall rated (CL2/CL3) | ✅ (if needed) | ✅ |
If your soundbar supports eARC, we recommend using an Ultra High Speed HDMI cable that supports HDMI 2.1 and 48 Gbps data transfer.
Looking for specific recommendations? Consider:
Best HDMI cable for soundbar (ARC): Any certified high-speed HDMI 2.0 cable.
Best HDMI cable for eARC soundbar: Ultra High Speed HDMI 2.1 cable (48 Gbps).
Best in-wall HDMI cable: CL2/CL3 rated cables for safety during installations.
These suggestions help answer:
which HDMI cable for soundbar?
best HDMI cable for ARC or eARC?
best HDMI cables for soundbar setup?
HDMI ARC vs Regular HDMI: What’s the Difference?
Many users wonder: Is ARC just another HDMI port? The answer is no.
Only the HDMI port labeled 'ARC' or 'eARC' on your TV supports audio return. Plugging your soundbar into a regular HDMI port won't work for ARC functionality.
Similarly, if you’re thinking about HDMI ARC vs HDMI or HDMI ARC to soundbar, remember:
ARC ports are designed for two-way audio-video communication.
eARC is the only way to get lossless surround sound from your TV to the soundbar.
FAQs About Soundbar HDMI Connections
Q: Do I need a special HDMI cable for ARC?
A: Not really. Most high-speed HDMI cables support ARC. However, eARC may require a newer cable rated for HDMI 2.1.
Q: What’s the difference between optical audio and HDMI ARC?
A: Optical cables are limited to compressed formats like Dolby Digital, while HDMI ARC/eARC can handle uncompressed formats and offer more functionality (like syncing audio and controlling both devices).
Q: Can I connect a soundbar to my TV if my TV doesn’t support ARC?
A: Yes, using an optical digital audio cable or analog RCA cables, though you'll lose some features like Dolby Atmos and volume control via TV remote.
Final Thoughts
If you're still deciding how to connect your soundbar, remember this: HDMI ARC or eARC offers the best combination of simplicity, control, and audio quality. Just make sure your HDMI cable is compatible with your soundbar and TV’s specifications.
By choosing the right cable—whether it's a basic ARC HDMI cable or a premium eARC HDMI cable for Dolby Atmos—you can make the most of your soundbar system.
