Guide to Connecting Your Apple TV to Surround Sound Speakers [Updated for Apple TV 4K]
SOUTHSKY 5.1CH Digital Sound Surround Decoder,2 Optical SPDIF,Coaxial,3.5mm Jack to 5.1 Analog Audio Converter,6RCA Output,Support Dolby AC3,DTS,Compatible with DVD,PS2,PS4,Xbox,HDTV,Amplifier : Amazon.co.uk: Electronics & Photo