You have to right-click onto the Speaker symbol in the notification center to start the Volume Amplifier and tap the Open Volume Amplifier button. Windows users could independently set the volumes range for each of the programs and applications operating at any particular time through using Volume Amplifier. A master volume roller controls the intensity for the whole Windows operating system revealed by tapping on the speaker symbol. The Speaker symbol in the notification is used on the Desktop pc to regulate volume and other audio-related characteristics.