New Apple TV adds 7.1 audio but there's no optical output or 4K video | What Hi-Fi?
Amazon.com: CableCreation 3FT Optical Audio Cable, Toslink Cable Male to Male Digital Optical Cable with Gold Plated for Home Theater, Sound Bar, TV, Xbox, VD/CD Player, Blu-ray Player, Game Console&More : Electronics
Digital Optical Audio Cable 6 Feet S/PDIF Fiber Optic Cable Toslink TV Optical Cable for Soundbar, Home Theater, Speaker Wire, TV, PS4, Xbox Male to Male Gold Connectors Cord - Walmart.com
Guide to Connecting Your Apple TV to Surround Sound Speakers [Updated for Apple TV 4K]
Kanex Digital Audio Adapter for Apple TV
Kanex Digital Audio Adapter for Apple TV
Amazon.com: CableCreation 3FT Optical Audio Cable, Toslink Cable Male to Male Digital Optical Cable with Gold Plated for Home Theater, Sound Bar, TV, Xbox, VD/CD Player, Blu-ray Player, Game Console&More : Electronics
Amazon.com: Suplong Optical Digital Audio Cable 6ft/1.8m Fiber Optical Audio Cable Toslink S/PDIF (Nylon Braided,Gold-Plated) for Sound Bar, TV, Sony, Samsung, Bose, LG, Vizio, Sonos : Electronics
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]