AudioQuest Carbon Optical Toslink Fiber-Optic Cable + Mini-Adaptor (1x Male Toslink > 1x Male Toslink, Single) length-20-0m The problem with optical fiber

The problem with optical fiber transmission is that dispersed light does get through the Toslink cable

and focus for floorstanding speakers weighing up to 220 lbs

and ensure precise speaker alignment for improved clarity

Especially pure "Hanging Silver" or "Hanging Gold" directly-plated without normal sound-damaging intermediary layer

Though compact in size

AudioQuest Carbon Optical Toslink Fiber-Optic Cable + Mini-Adaptor (1x Male Toslink > 1x Male Toslink, Single) length-20-0m The problem with optical fiberPerfect for use with soundbars, subwoofers, and various A V components, Carbon Optical features 19 narrow aperture, highest purity synthetic fibers to minimize timing errors, improve bandwidth, and optimize performance.