Our D series amplfiers use a linear power supply similar to the H2O (not a switching type) and are based on the new Philips UcD technology, NOT an ICE module or Tripath chipsets.
You can read more on this technology here
http://www.ciaudio.com/ucd_aes.pdf
You can read more on this technology here
http://www.ciaudio.com/ucd_aes.pdf