Where can I find on of these, a good quality one:
http://www.ramelectronics.net/audio-video/custom-audio-and-video-cables/rca-to-3-5mm-s-pdif-cables/custom-spdif-cable-digital-audio-3-5mm-to-rca/prodSPDIF.html
My second option would be to get an adapter like this one:
http://www.radioshack.com/product/index.jsp?productId=2062459&cp=&kw=mono+to+phon&parentPage=search
but the only one I can find looks very flimsy like this one:
http://www.hdcabling.co.za/spdif-adapter-35mm-mono-plug-to-rca-mono-female-adapter-p-84.html
http://www.ramelectronics.net/audio-video/custom-audio-and-video-cables/rca-to-3-5mm-s-pdif-cables/custom-spdif-cable-digital-audio-3-5mm-to-rca/prodSPDIF.html
My second option would be to get an adapter like this one:
http://www.radioshack.com/product/index.jsp?productId=2062459&cp=&kw=mono+to+phon&parentPage=search
but the only one I can find looks very flimsy like this one:
http://www.hdcabling.co.za/spdif-adapter-35mm-mono-plug-to-rca-mono-female-adapter-p-84.html