The Naim SuperCap DR is a high-performance external power supply designed to enhance the performance of compatible Naim audio components. It is used to provide a stable and improved power source, which can lead to increased clarity, detail, and dynamism in sound reproduction. The SuperCap DR features a dual-regulated design that employs five separate transformers to deliver optimal performance. It is designed to work with various Naim products, including the Naim NDAC, Naim 552 preamplifier, and other components that benefit from upgraded power supplies. The DR (Discrete Regulator) circuitry further enhances the performance by providing a cleaner power signal, minimizing noise and interference. The unit is housed in a sturdy chassis with a classic Naim aesthetic, and it incorporates a multi-pin power connector for seamless integration with Naim devices. Additionally, the SuperCap DR is capable of powering multiple components at once, making it a versatile addition to a Naim audio setup.