SPL DES 500 Series Dual Band De-Esser ModuleThe SPL DeS 500 Series Dual Band De Esser Module is installed in a single slot of the 500 series rack module. It provides an alternative way to process signals based on phase cancellation in order to reduce sibilance. The DeS uses two frequency bands that can be used independently or jointly. Two de esser stages are connected in series (Lo S is set first in the chain) as independent modules and increase the effectiveness of processing without