Conceptualized by Eveanna Manley, VoxBox is a no-compromise unit combining a mic preamp, compressor, equalizer and de-esser in a single chassis. But the story goes much further. The tube preamp stage adds a high-Z DI input and high pass filters; the 3:1 compressor is an electro-optical circuit; the passive EQ is based on the Pultec MEQ-5, but expanded to 33 bands; and the de-esser is an LA2A-sounding opto peak 10:1 with a passive LC sidechain. Single-box vocal processors had been around for more than a decade when the Manley VoxBox debuted in 1998; however, there hasn't been a unit like it since — and it remains in production.