Keling/Leadshine Quiet drives

[poptarted]

What's up with the new quiet drives from Leadshine? Supposedly the make your motors run with less audible noise.

Anybody have any info on this? How much quieter are the drives? I'd be interested.

The MD882 or the ND882
or the MD556 or the ND556

Here are some links
http://www.leadshine.com/2-4.html
and an
http://www.oceancontrols.com.au/motor_controller/microstepping_motor_controllers.htm#buy_controller

[Bolomill]

After reading about the remarkably similarity betwen The drivers Leadshine DB810 ,and the Gekodrive 320 vs , and the problems with imput voltage on DB810, want to know if There is the same problem with the voltage regulator in the drivers from Leadshine DB810A I am working with,