NEED 533 EQ is a 5-band high-performance analog eq unit that has its unique special Gain-Q-Frequency interaction engine. It has a sweet musical tone that doesn’t sound muddy or harsh even in extreme settings! NEED 533 EQ is the expertly captured and extremely accurate circuit emulation that causes unmistakably great tones in both mixing and mastering sessions. Since the special analog curves shape and keep the sound boundaries always in the right musical area, it is almost impossible to make mistakes with it. Lovely musical curves, continuously variable frequency, and Q controls, custom made HP-LP filters, and modern Mid/Side processing features make this unit a flexible tool that shapes new sounds and controls any part of the audio spectrum in its unique way; so, use it on any audio source, even on a master bus to add a real character!