The z-Q2 is a six-band stereo parametric equalizer that operates entirely in the digital domain. These algorithms are the secret to the z-Q2?s outstanding sound quality. At the heart of the z-Q2 lies a 40-bit floating-point digital signal processor running Z-Systems? proprietary digital filtering algorithms. The z-Q2 combines the precision and repeatability of digital with the ?openness? and ?airiness? of the best analog EQs. Simply put, the z-Q2 is one of the finest digital equalizers money can buy.