Body font family verdana geneva sans serif font size11px td font family verdana geneva sans serif font size11px fiio d03k digital to analog audio decoderconverter the d03k is a digital audio analog converter which can transfer digital audio optical coaxial to two channels of analog audio and output to either a line out socket or a component output home connections the d03k can be used to connect a wide variety of devices such as tvs and blu ray players which often only featur