The High-end Concept 500 Floorstanding Speakers adopt advanced, innovative technologies to deliver pure audio excellence and a sensational sound stage. Concept 500’s pairs Point-to-Point (P2P™) bracing to deal with low-frequency panel vibrations with Helmholtz Pressure Equalizers (HPE™) to balance out pressure irregularities. Three separate layers filled with a non-setting gel, which dampens the cabinet walls and converts higher frequency vibrations into heat for better performance.