The ED116 adds flexibility to the ED115 by providing manual settings for the RED/BLUE content of the VIOLET noise source and RATE control of the RANDOM noise source.

http://www.elby-designs.com/contents/en-us/p775_ED115(X)_-_Extended_SH-Noise.html

• 2 mA +12V
• 1 mA -12V
• ? mA 5V
• 96 mm Depth

No info about availability.