New Apple TV lacks optical audio port but makes it up with Dolby Digital Plus 7.1
Guide to Connecting Your Apple TV to Surround Sound Speakers [Updated for Apple TV 4K]
Guide to Connecting Your Apple TV to Surround Sound Speakers [Updated for Apple TV 4K]
Apple TV 4K review - GSMArena.com tests
Refurbished Apple TV 4K 64GB (2nd Generation) - Apple
Andrew Reid on X: "Where the hell did the optical audio output go on the Apple TV 4K?!? How are you supposed to use it with a projector and amp?! https://t.co/dPnSVtMl4P" /
III Series 4K Active HDMI 5.0m - Austere
Set up Dolby Atmos or surround sound on Apple TV with a sound bar or AV receiver - Apple Support
Apple TV review (2015): A huge leap forward, unless you want 4K | Engadget
Apple TV 4K in Car, RV, Truck, Boat | High-definition Widescreen Television
Apple TV Setup — Pioneer Connect
Kanex Digital Audio Adapter for Apple TV
Amazon.com: Apple TV 4K HD 32GB Streaming Media Player HDMI with Dolby Digital and Voice search by Asking the Siri Remote, Black, MQD22LL/A-32G (Renewed) : Electronics
Amazon.com: Belkin Digital Optical Cable and Adapter : Electronics
Apple TV 2nd Generation Digital HD Media Streamer A1378 + Remote HDMI Cable | eBay
How to Identify Your Apple TV Model - Make Tech Easier
Amazon.com: ROOFULL 4Kx2K HDMI to HDMI and Audio (3.5mm Stereo or SPDIF Optical) Extractor Splitter Converter Support Apple TV, Fire TV, Blu-ray Players : Electronics
How to hook up Apple TV to external optical-audio speakers | iMore