12CM 4.7 Inch Optical TOSLINK to HDMI ARC Audio Adapter Cable, Model OPADPWW1BLK Digital SPDIF Optical to HDMI Converter for SONOS Beam Soundbar, Connect Old TV Optical Out to Sonos Beam HDMI ARC Port

This 12cm (4.7-inch) optical to HDMI ARC audio adapter is the dedicated replacement part with part number OPADPWW1BLK, specially designed for SONOS Beam soundbar series. It acts as an essential signal bridge for older televisions that only carry TOSLINK optical digital audio output but lack an HDMI ARC port, allowing seamless audio transmission between legacy TVs and Sonos Beam soundbars.

One end adopts a standard gold-plated TOSLINK optical male plug to insert into your TVs Digital Audio Optical Out port; the other side is an HDMI female ARC socket. You just need an ordinary HDMI cable to link this adapters HDMI female port to the HDMI ARC input of your Sonos Beam, no extra power supply or complicated setup required.

Built-in professional audio decoding circuit supports Dolby Digital 5.1 bitstream transparent transmission, preserving original surround sound quality without stereo downmix or audio latency. It perfectly matches daily home theater scenes for streaming movies, TV shows and game audio playback, and retains full volume sync control via your TV remote.

The short 12-centimeter cable length avoids messy tangled wires behind the TV, saving cabinet storage space and maintaining neat home decoration layout. Hard plastic anti-interference housing effectively shields external electromagnetic noise to eliminate static sound and signal dropouts.

Wide applicable scenarios: Old LED/LCD TVs without HDMI ARC interface, set-top boxes, Blu-ray players and game consoles with optical SPDIF output paired with SONOS Beam Gen 1 / Gen 2 soundbars. It is a cost-effective audio connection accessory to avoid replacing your existing television just for soundbar matching.