SVS Ultra Evolution Nano Bookshelf Speakers (Pair) SVS Ultra Evolution Nano represents the culmination of SVS breakthroughs in driver design, component materials, and cabinet architecture, married with a relentless passion for audio excellence. The science of sonic perfection in harmony with a love of convincing and immersive sound. Capable of highly engaging and detailed sound with bold dynamics and bass you would expect from a much larger speaker, Ultra Evolution Nano delivers audiophile sound