What is the difference between the 'audio out' jack and the [optical] 'digital audio out' port on my TV? - Quora
![SIMOLIO Digital Wireless Headsets for TV with Spare Battery, Wireless TV Headphone for Hard of Hearing, Optical Wireless Earphone for Smart TV, TV Hearing Earbud, Sound Amplifier: Amazon.co.uk: Electronics & Photo SIMOLIO Digital Wireless Headsets for TV with Spare Battery, Wireless TV Headphone for Hard of Hearing, Optical Wireless Earphone for Smart TV, TV Hearing Earbud, Sound Amplifier: Amazon.co.uk: Electronics & Photo](https://m.media-amazon.com/images/I/31e2DPTW0JL._SY350_PKmb-play-button-overlay_.jpg)
SIMOLIO Digital Wireless Headsets for TV with Spare Battery, Wireless TV Headphone for Hard of Hearing, Optical Wireless Earphone for Smart TV, TV Hearing Earbud, Sound Amplifier: Amazon.co.uk: Electronics & Photo
SOLVED: No audio, and no "Internal Speakers" in SystemPrefs>Sound>Output - MacBook Pro 13" Retina Display Late 2013 - iFixit
![Sonos Arc switching back and forth from internal speakers to external speaker on HDMI ARC Input - Sony Bravia | Sonos Community Sonos Arc switching back and forth from internal speakers to external speaker on HDMI ARC Input - Sony Bravia | Sonos Community](https://uploads-eu-west-1.insided.com/sonos-en/attachment/c6cef594-ed6f-4903-8048-8700ba4ee13d.jpg)
Sonos Arc switching back and forth from internal speakers to external speaker on HDMI ARC Input - Sony Bravia | Sonos Community
![amplifiers - Using both outputs (internal speakers and headphones) on digital pianos - Music: Practice & Theory Stack Exchange amplifiers - Using both outputs (internal speakers and headphones) on digital pianos - Music: Practice & Theory Stack Exchange](https://i.stack.imgur.com/lKP6I.png)