For ARC and eARC connections, you can connect the soundbar to a TV with a single HDMI cable; otherwise, you’ll just need to connect an optical audio cable in addition to an HDMI cable.

ARC was introduced as part of the HDMI 1.4b Specification, and allows for the two-way travel of audio data over an HDMI cable to and from a TV.

USB-C, which has become something of a "do-everything" connector standard, has added an alternate mode that eliminates the need for an adapter when connecting to HDMI displays.

HDMI’s ARC, or Audio Return Channel, can make your gear easier to use. Here’s how.

HDMI ARC is suitable for most audio setups, providing convenience and control, while HDMI eARC takes it a step further with its support for advanced audio formats and improved audio quality.

Admittedly, standard HDMI ARC is still limited in its output, with a maximum of 5.1 compressed audio channels able to be streamed from TV to soundbar, or a heavily compressed version of Dolby ...

HDMI is a great technology, but if you have to run the cable over long distances they're not the most reliable. Ethernet cable (or, more correctly, Cat5e/Cat6 cable), on the other hand, is better ...

Apple's Lightning-to-HDMI adapter and the product page for the iPad mini claims that the device is able to output 1080p images to televisions. But that may not be strictly true, according to some ...

Monoprice/HDMI.org When it comes time to connect your shiny new soundbar or AV receiver, your two main choices are HDMI or optical digital audio. The simplest advice is to go with HDMI when you can.