THE ONLY app in the App Store that lets you estimate your sound system or home theatre output BEFORE you buy speakers and amplifiers. If you are thinking of a home theatre or going to buy a good sound system - estimate its sound level first Features:* Estimate output of your future sound systems using the following parameters: - Speaker Efficiency, - Amplifier Power, - Distance To Speakers, - Number Of Speakers. * Measure the result Sound Pressure LevelTry Room Sound Level app DOWNLOAD NOW