Buy on Amazon : br Gefen Digital Audio Decoder (GTV-DD-2-AA)br br Allows listening to digital audio sources on legacy analog sound systems br 24-bit incoming bitstream on left and right channels br Digital interpolation filter and digital to analog converter DAC br Converts SPDIF or TOSLINK digital audio to LR analog audio br Supports up to 6 channels up to 51 Surround of audio encoded in Dolby Digital