Naim NPX 300 Power SupplyEnhance your music experience by using the NPX 300 power supply. This power supply is ideal for the 200 Series sources and preamplifiers, including the NSC 222 streaming preamplifier. It works by deactivating the internal power supply, reducing noise, and improving power and performance. You can even connect multiple NPX 300 power supplies to enhance your audio experience further. Using this power supply allows the preamplifier to focus solely on