Audiovector R 8 Arreté loudspeaker
On its website, in the Specifications section for its "R"-model loudspeakers (footnote 1), Audiovector offers a long checklist of technologies, many of them optional, some of them, called "Concepts," assigned snappy names and acronyms: IUC for Individual Upgrade Concept; LCC for Low Compression Concept; SEC for Soundstage Enhancement Concept; NES for No Energy Storage; FGC for Freedom Grounding Concept; and NCS for Natural Crystal Structure.