naim npx 300Naim NPX 300 Optimized power and performance Naim NPX 300 is sold as a demo model in really nice condition. It has been unpacked and inspected, so everything works exactly as it should. There may be a few small cosmetic marks, but nothing that affects function or performance. A serious external power supply that significantly elevates the performance, calmness, and dynamics of your Naim setup ready to become part of an ambitious high end system. An