For decades, the sound specialists at Yamaha have been developing high-quality reverb effects to add an atmospheric touch to our users vocal and instrumental performances. The EMX2 features some of the most commonly used and practical reverb algorithms, using a single knob to easily select and control the depth for one of four effects; HALL mimics the sound characteristics of a large hall, PLATE for a more classic, defined sound, ROOM adds a more intimate sound to performances, and ECHO gives instruments or vocal a more professional edge, as well as being an attractive option for KARAOKE.