This is what the item is said to do:Hand-selected 12AX7 vacuum tube with UTC technology for exceptional warmth and lowest noiseThe ultimate sound-enhancing tool for virtually any sound sourcePerfectly complements studio-grade condenser micsHigh-end tube mic/line preamplifier for studio, live and hard disk recording applicationsEliminates the "dull" sound of standard digital recorders and sound cardsNow let me go through what it actually does

Perfectly complements studio-grade condenser micsNope