By PSW Staff • June 29, 2011 This calculation will give you the ratio, in decibels, between two power values. For example, you can calculate the difference in dB between to amplifiers with different power output specifications. Enter any two values and press “Calculate” for the remaining value. Press “Reset” before performing each calculation. Equation used to calculate the data: dB = 10 * Log(Pout / Pin) Comments Have something to say about this PSW content? Leave a comment! Cancel reply Scroll past the ”Post Comment” button below to view any existing comments. Your email address will not be published. Required fields are marked *Comment Name * Email * Website This site uses Akismet to reduce spam. Learn how your comment data is processed. Tagged with: Amplifier World Audio Crown Live Poll Sound Reinforcement · all topics Subscribe to Live Sound International Subscribe to Live Sound International magazine. Stay up-to-date, get the latest pro audio news, products and resources each month with Live Sound.