OMNIHIL (10FT) Digital Optical Cable Compatible with Sonos PLAYBASE Wireless Soundbar-(PBASEUS1BLK) - Walmart.com
12CM HDMI To TV Optical Audio Output Adapter Adaptor OPADPWW1BLK For ARC SONOS Beam _ - AliExpress Mobile
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Amazon.com: Toslink Optical Cable Compatible with Sonos Playbar, Bose Cinemate, Solo, Soundstage, SoundTouch, LG LAS Series, Sound Bar, Speakers, TV, Home Theater, PS4, Xbox Digital Audio SPDIF Fibre Optic 3ft : Home