Grandioso, a name befitting Sinfoni | Quartorigo's passion for perfection; a speaker system that was finalized and perfected using what are arguably the finest, most pure mobile amplifiers in the world, La Prima. The Grandioso Opus speaker system was in development for over four year and this dedication to perfection is evident in Grandioso Opus' superb performance; accuracy, articulation and speed are immediate and result in a highly enjoyable and thrilling speaker system. While there are many fine speaker systems the stellar performance of Gransioso Opus allows them to sit alone in a special top level catagory with the Sinfoni | Quartorigo La Prima amplifiers. A speaker system designed to take full advantage of the La Prima's capabilities in reproducing music with incredible clarity, detail and dynamiscim; feeling music, emotion with remarkable realism and enjoyment. High Definition speakers meant to be the Ultimate Statement in music reproduction. Designed with specific analysis software the Granioso Opus' unique Composite Frame Construction (CFT), paper / copper cone are some of many technical innovations found in the impressive 6.5" Opus Woofer to give the system its low yet articulate frequency response. The Opus Tweeter chambered tweeter blends perfectly with the Opus Woofer's speed and resolution giving extended detail and accuracy to the Grandioso Opus system. The Opus Crossover features top quality components and a phase correct perfect design to match the superlative performance of the Grandioso Opus drivers. As with all Sinfoni | Quartorigo products the Grandioso Opus is designed for music lovers.