The Naim NAPS 555 DR is a high-performance power supply designed to enhance the performance of Naim audio components. This dual-chassis unit is engineered to provide clean and stable power to compatible Naim products, facilitating optimal audio reproduction. The 'DR' in its name stands for 'Discrete Regulator,' indicating that it features advanced voltage regulation technology designed to minimize noise and improve audio quality. The NAPS 555 DR is particularly effective when paired with Naim's flagship preamplifiers and other related components, significantly improving dynamics, detail retrieval, and overall musicality. Its construction includes top-quality components and a robust build, aimed at reducing interference and ensuring long-term reliability. The power supply connects with Naim's dedicated connectors, maintaining a strong energy delivery to the connected source.