In a Class A circuit the level of that current is always set to maximum. If that amplifier design is working at full volume then the bulk of that energy is used to drive the speakers. (Note that no ...

ISSCC 2025 Paper 3.1 A 121.3dB-DR, 115dB-PSNR, digital-input capacitive-feedback Class-D audio aAmplifier with double-sided voltage-boosting (DSVB) modulation ISSCC 2025 Paper 3.4 A CMOS operational ...

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 ...