If "R2R" stands for tape emulation (a popular trend in audiophile production) and you want to play audio through an "Opus" plugin or tape machine:
R2R stands for Roon to Roon, often used in conjunction with Roon, a popular music player software that offers a high-quality listening experience. R2R allows you to extend your Roon setup to another room or part of your house, essentially allowing you to have multiple Roon endpoints.
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To use libraries with this engine, you must have two distinct components correctly matched:
You have three options: