: To level-match a specific group of effects within a larger chain, place Volume Buddy as the last device inside that group . It will then ignore volume changes happening outside the group.
: Use the device's Bypass button to toggle the entire effect chain on and off. Since the volume remains identical, you can hear if your EQ or compression is actually improving the tone or just making it louder. Noir Labs Volume Buddy 2 [Max for Live]
Are you planning to use it for or for mastering comparisons? Noir Labs | Music Software & Record Label by spktra : To level-match a specific group of effects