$3500  >  Available from GTT Audio and key select dealers

Features

Measurements of the internal power rail supplying the switch chip CPU

This is noise on the power supply feeding the switch chip

Before mods

Left is 5khz to 10Mhz  and right is zoomed in to critical 5khz to 1Mhz band

After

This is a vast reduction of noise supplying the switch chip/cpu

Video introduction to interface and the basics