Get the maximum out of your subwoofer. Many receivers today offer automatic calibration of subwoofers and speakers. This app takes you to the next level. Start a few listening tests and a measurement. You will receive the necessary adjustment parameters and can also evaluate different set-ups (room corner, wall...) and subwoofer combinations. A favourable placement creates a solid physical foundation. Only then the use of DSP(digital signal processing) for the final touch is worthwhile. Wrongly