Hifi-Apps help you to fully exploit the potential of your sound system. Enjoy a whole new listening experience. You don't need any prior knowledge: Hifi-Apps use established measurement methods, but generate easily understandable suggestions for improvement from the results, which are clarified by listening tests. Even the built-in microphone of your Android device provides many important insights. The next step is to work with a measurement microphone. This app helps to set up the loudspeakers