HDMI and optical connections. The HDMI connection, commonly known as an Audio Return Channel (ARC) or Enhanced Audio Return Channel (eARC) connection, is utilized to link the soundbar to your television, projector, or any other output device. Nevertheless, several top-tier soundbars feature extra HDMI connections, leading to the question: What purpose do these additional HDMI connections serve when the ARC or eARC connection is designated for the main audio link?
The supplementary HDMI connections available on a soundbar, which can vary from one port to several ports, prove useful for various situations. For instance, they can be beneficial in scenarios where your television has a shortage of HDMI connections or when your TV cannot relay a specific audio format to the soundbar. Here is a breakdown of some significant scenarios for the additional HDMI connections on your soundbar.