Relab Sonsig Rev-A ReverbSonsig Rev A combines traditional true stereo algorithmic reverb with advanced modern filter and modulation controls in a great sounding, easy to use, affordable plug in. Professional reverb sound is closer than you think Description Sonsig Rev A combines traditional true stereo algorithmic reverb with advanced modern filter and modulation controls in a great sounding, easy to use, affordable plug in. With Sonsig Rev A, anyone can get the perfect