Keces Audio P28 Linear PS

The new and upcoming Keces Audio P28 ultra-low-noise linear power supply has six separate zones, including a USB isolator, Schuman technology, etc. 

P28 offers a total of 6 zones and each zone is independent.

  • Zone I : 5V/7V/9V/12V, 4A.
  • Zone II: 12V/15V/19V/24V, 4A.
  • Zone III: 12V/15V/19V/24V, 6A.
  • Zone IV: 12V/15, 10A.
  • Zone V : 5V/9V, 2A.
  • Zone VI: USB 5V, 2A.

Zone VI is a USB isolator that supports low and full data rates of 1.5 Mbps and 12 Mbps. 


  • Audiophile-grade systems
  • Protection of machines
  • Measuring instruments, test equipment
  • Medical environment

Ripple Noise: < 100uV at full power, < 10uV at 40% load.