The efficiency and size advantages of Class D audio amplification in battery- powered devices are well known. These advantages are now extended to amplifiers up to 500W, made possible by solidstate ...

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 ...

Class-D audio amplifiers are power efficient, but do not beat, or even match, well-designed Class-AB and Class-A amplifiers on many other specs. This said, Delft University of Technology, working with ...

Operating noise free, the NCP2991 1.35W class AB audio amplifier specifies a power-supply rejection ratio of -103 dB. Groomed for portable and wireless audio applications, the device guarantees zero ...

The MAX98500 is a high-efficiency, Class D audio amplifier that features an integrated boost converter to deliver a constant output power over a wide range of battery supply voltages. The automatic ...

The Cambridge Audio Evo 150 SE ($3,299) refines a proven streaming amplifier with better sound and features, making it a top contender under $5,000. Built around upgraded “Tuned by Cambridge” NCOREx ...