Google expands its Sound Amplifier accessibilities feature to Android Marshmallow and above

Google’s Sound Amplifier, its accessibilities feature that helps enhance volume for those who have difficulty hearing, is now available for devices with Android 6.0 Marshmallow and above. The feature was previously announced at Google I/O 2018, and launched first on Android 9 Pie last February.
Sound Amplifier allows you to adjust frequencies to customize sound from your headphones, allowing you to emphasize foreground sounds and minimize background noise. The feature now also shows a gree