Convert a digital coax or toslink signal to stereo rca audio the spdif2aa toslinkoptical spdif to rca audio converter lets you convert a 2 channel digital coaxial or toslinkoptical spdif input signal into an rca analog stereo output perfect for home and professional audio applications this spdif to rca audio converter saves the cost of upgrading equipment for compatible connections and offers separate digital coax and toslink inputs for dual function conversion the small form factor de