"But perhaps you should show me the most powerful version of the sign, and thus refresh my memory."
Lavasoft offers more powerful versions of the program for $26.95 and $39.95.
It simply produces a more powerful version of the audio signal.
Starting 1988 a second, more powerful version was developed.
A more powerful version, the 800, was also released with a better keyboard.
There was also a more powerful yet version called the XR-3, only available to run on alcohol.
There is also a less powerful version with 128 kilobytes available for $495.
It is to be upgraded over time with more powerful versions.
However, by this time it was decided to move on to a much more powerful version of the engine.
Multiple artifacts of the same type can be combined to create a more powerful version.