It is extremely light on computer resources compared to newer plugins, making it perfect for older machines or complex projects.
The exact search phrase is a combination of old-school search terms used to find cracked or repacked versions of the legendary reFX Nexus 2 virtual instrument. Specifically, it references the iconic release by the warez group AiR (who emulated the Steinberg physical USB eLicenser to bypass its copy protection). refx+nexus+221+air+elicenser+221+extra+quality