This is Cyrus's longest serving and cumulatively the biggest selling model ever. It has proven to be a wonderful addition to many system owners and continues to convince Cyrus owners to invest in a sophisticated power supply to fully appreciate the electronics they already own. Their 30th Anniversary system, developed to celebrate 30 years in audio engineering, incorporated many small enhancements that included tweaks to both AC and DC lines in the PSX-R. Anniversary. These changes are transferred into the PSX-R2 and have enhanced the unit’s ability when partnered with their more recent amplifiers that are capable of resolution today not possible ten years ago. Compare PSX-R2 with other brands offering similar PSU’s and you will immediately see that £750 offers very good value indeed.