Slate Digital SD-D Chorus & Custom D Chorus (ESD); chorus plugin; digital emulation of a legendary chorus effects unit from 1979 - known for its distinctive, spacious sound on both stereo and mono sources; includes two module variations; SD-D Chorus with four classic preset modes from the original, plus combination options; Custom D Chorus with extended control options for creative sound design; Custom D Chorus allows precise adjustment of delay time, modulation range, LFO rate, and enhancement level; both modules feature a smoothable triangle LFO, bias parameter, and high-pass filter; for Slate Virtual Mix Rack (VMR) - base software included;