OAD Ultrafidelity UP1 Reference Phono Amplifier RCA The MK2 achieves a level

The MK2 achieves a level of clarity and extension approaching that associated with diamond or beryllium tweeters

Not only that

3T: True Transmission Technology offers a much higher resolution and detail compared to any other metal technology used so far

the L/R Channel Swap

Sonic Integrity: Unleash the Power of Uncompromised Sound: Experience unmatched audio quality with our advanced Balanced discrete R-2R architecture and premium components

OAD Ultrafidelity UP1 Reference Phono Amplifier RCA The MK2 achieves a levelThe UP1 Reference takes the already excellent sound and specs of the UP1 to the next level. With a heavier chassis and 5 additional power supplies, it removes any power supply noise from the signal, surpassing human hearing and even the best Test and Measurement equipment. We've upgraded to Solid Polymer capacitors in critical areas, providing unrivaled audio performance with higher ripple current, lower ESR, stable capacitance at any temperature, and