<https://www.audioemotion.co.uk/audioquest-audio-rca---rca-adapter-8098-p.asp#product/8098>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.audioemotion.co.uk/audioquest-audio-rca---rca-adapter-8098-p.asp>