I'm selling one of my original Pulse Gen ZX noise reduction units. These are installed inside components, connected across the AC lines. The result is a cleaner, more open and less hashy sound. Great for class d amps and digital devices (CDPs, dacs). I have no idea how they work but they do. I've used them in my N-core and PS Audio GCC amps and they open the sound up very nicely. The effect is not that subtle. Lots of info online about them.
My new amp is too small to fit the device (2.5x2x1.25"). Usually held in place with Velcro (not included). List is $400.

Review:
http://www.highfidelityreview.com/audio-magic-pulse-gen-zx.htmlThe silver Audio Magic label has fallen off the unit and become lost.
I'll ship to the cont. US at my price.
Thanks for having a look!