Arcam rLINK. Part of Arcams new R-Series, the rLINK is a simple high quality digital to analogue DAC that lets you convert audio from any digital device with an optical or coaxial output. Once connected the Arcam rLINK works it magic converting your digital sounds to a pure analogue reproduction. A good tip here is to use the Chord Crimson Plus interconnects, the sound you will hear through your hifi will be simply amazing.