The Sony Bravia HDMI ARC port is the physical HDMI input on your TV that is clearly labeled "ARC" or "eARC/ARC" next to the port itself. While the specific port can vary by model, HDMI IN 3 is frequently designated as the ARC/eARC compatible port on many Sony Bravia TVs, making it the first port to check when connecting a soundbar or AV receiver.
Which HDMI port is the Sony Bravia HDMI ARC port?
The ARC (Audio Return Channel) and eARC (Enhanced Audio Return Channel) ports on a Sony Bravia TV are always physically marked. Look directly on the back or side panel of your TV for the words "ARC" or "eARC/ARC" printed next to one of the HDMI inputs. This dedicated port allows a single HDMI cable to send both video to the TV and audio back from the TV to a compatible audio system, simplifying cable management. While the exact port number can differ by model, HDMI IN 3 is frequently the designated ARC/eARC port. The key difference between ARC and eARC is that eARC offers significantly higher bandwidth and speed to support uncompressed, high-quality audio formats like Dolby Atmos (via Dolby TrueHD) and DTS:X, which regular ARC cannot fully process. If you also need to ensure full 4K video support, the HDMI port is 4K on Sony Bravia can differ from the ARC input. If you own a different brand, locating the HDMI ARC port on Hisense TV follows a similar labeling convention but often uses a different default port number. For ARC to function, both your Sony Bravia TV and the connected audio system must be ARC-compatible.
How to find and connect to the ARC/eARC port
- Visually inspect the HDMI ports on your Sony Bravia TV. Look for the port labeled "ARC" or "eARC/ARC" directly on the TV panel.
- Connect a High-Speed HDMI cable from the ARC/eARC labeled HDMI input on your TV to the ARC/eARC labeled HDMI output on your audio system. For eARC connections, it is recommended to use a Premium High-Speed HDMI Cable (18 Gbps) or Ultra High-Speed HDMI Cable (48 Gbps) to avoid potential audio issues, especially with high-quality audio formats.
How to enable ARC/eARC in your Sony TV settings
After connecting the cable, you must change the audio output settings on your TV. Press the Quick Settings button or the HOME button on your remote, then navigate to "Settings" → "Display & Sound" → "Audio output" → "Speakers" → "Audio system". This tells the TV to send audio to your connected soundbar or AV receiver. For eARC specifically, you may also need to set "eARC mode" to "Auto" within the same "Audio output" settings. Ensure that "HDMI Control" (sometimes called BRAVIA Sync) is enabled on both your TV and the connected audio system for proper ARC/eARC functionality and integrated control. The ARC/eARC port on your TV will pass compatible audio from any source connected to the TV, including internal apps and other HDMI inputs, to your connected audio system.
What if my Sony Bravia doesn't have an HDMI ARC port?
If your Sony Bravia TV lacks an HDMI ARC port, you cannot use the audio return channel feature. If only one device (TV or audio system) supports ARC/eARC, the feature cannot be activated, and an optical cable or other audio cable will be needed for sound output. The primary alternative is an optical audio connection: many Sony Bravia TVs come equipped with an optical audio output port (also known as TOSLINK or SPDIF) that can transmit audio to your soundbar or AV receiver. Simply connect an optical audio cable from the TV's optical output to the audio device's optical input. Another fallback is an analog RCA connection: if your TV has analog audio output ports, you can use a pair of RCA cables to connect the TV to your audio device. Keep in mind that analog connections may not support advanced audio formats like Dolby Atmos. While these alternatives can still provide audio transmission, they do not offer the same convenience and features as ARC, such as single-cable control and support for high-bandwidth audio formats. Understanding the limitations of the HDMI ports on a TV helps you choose the best connection method for your specific Sony Bravia model.

















