Polarity Audio Delay Checker

Speaker polarity is determined when connecting the wires between the amplifier and the speaker. When the positive amplifier terminal is connected to the positive speaker terminal and the negative amplifier terminal is connected to the negative speaker terminal, the speaker will be in correct polarity. App Main Features : - Check sound polarity different frequency wise and measure sound level. Save test and check saved test in history - Test delay level of your Audio speakers, wired, bluetooth speakers in your phone. - Also test particular left and right stereo or earphone and also both stereo and earphone together. - Run frequency test in your phone using this app, You can test frequency range of your device. For a good Sound System it is essential that all loud speakers are wired correctly to get the best audio results.