A Class D audio amplifier is basically a switching amplifier or PWM amplifier. There are a number of different classes of amplifiers. We will take a look at the definitions for the main ...

As Axiom’s chief R&D engineer Tom Cumberland describes it, a digital amplifier is a “power DAC”, and of course a DAC (Digital-to-Analog Converter) is the basis of all digitally recorded media, whether ...

The amplifier remains a transformative invention for being able to receive the human voice and boost it so thousands of people can hear it at once. Without the microphone, politics itself may have ...

Personal hearing amplifiers, or PHAs — devices that help people hear better but aren’t tailored to the user as are hearing aids — work well in healthcare clinics to help individuals hear what their ...