TOSLink Socket to 3.5mm Mini TOSlink Plug Adaptor, Pack of 2 - Socket to Plug Adapter with Gold Tip, Jack to Plug Adaptor: Amazon.co.uk: Electronics & Photo
TOSlink Connector - Mini-TOSLINK to TOSLINK Adaptor - Mini-TOSLINK Optical Audio Plug to TOSLINK, Digital S/PDIF Cable/fibre Optic for Soundbars, Stereo Systems/Amps, Hi-Fi - Pack of 2 : Amazon.co.uk: Electronics & Photo
CLIFF Electronic Components - Optical Jacks
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Optical Socket to Rotating Right Angled Plug TOS TOSLink Adapter
Optical TOS To TOS Adaptor, Pack Of 2 - TOSLINK Coupler, Female To Female TOSLINK Joiner, Socket Adaptor For Optical Audio Cable Leads: Amazon.co.uk: Electronics & Photo