Posted on 2021 June 232021 November 07 by P4MUBoss RV-200 Will the Boss RV-200 Reverb see the light of day? Boss RV-2 was announced in 1987. Boss RE-20 was announced on March 28, 2007. Boss RV-500 was announced on June 23, 2017. Where do we go from here? Back to Boss RE-20. Go to Boss RV-500.