WiiM Mini Airplay2 Wireless Wi-Fi Smart Audio Streamer Multi-Room Hi-Res Stereo with Alexa and Siri Voice Assistants, AUX I/O, SPDIF, USB Type C Port, and Streams from Spotify, TIDAL, Amazon Music
S/PDIFサウンドカード@cbreeze
ELIPSON WM
Amazon.co.jp: Cubilux USB C to SPDIF (TOSLINK) Optical Audio Converter Adapter, Thunderbolt 4/3 to Toslink Converter, Type C to Optical Digital Dongle, Compatible with iPad 10 iPad Pro/Air 5 4/Mini 6, MacBook