eCoustics

Fosi Audio Launches BT20A MAX 2.1 Bluetooth Class D Amplifier for High-Power Desktop and Compact Systems

Fosi Audio has built a formidable presence in affordable hi-fi, and the launch of the BT20A MAX underscores just how far the brand has come. Priced at $229.99, the BT20A MAX is the company’s most ...
EDN

Infineon upgrades class D audio amplifier multichip module

Infineon Technologies AG has enhanced its class D audio power amplifier family with the introduction of the MERUS 2-channel, analog input, class D audio amplifier multichip module (MCM). The MA5332MS ...
ecoustics

The Empire Burns at One Watt: Class D Is the Fire

Class D amplifiers are revolutionizing the audiophile world, delivering top-tier sound without the hefty price tag. Discover how brands like NAD, Topping, and SMSL are making high-quality audio ...
Nature

Class-D Audio Amplifiers

Class-D audio amplifiers represent a significant advancement in modern audio engineering by utilising high-frequency pulse modulation to drive output stages with exceptional efficiency. Unlike ...
EDN

Minimize “power-supply pumping” for single-ended-output, Class-D audio amplifiers

Class D audio amplifiers with single-ended outputs can exhibit a strange behavior, in which the power-supply voltage increases with power delivered to the load. Called “power-supply pumping,” it can ...
Electronic Design

Class-D Amps Raise Low-Power Systems To The Next Level

This article was originally published in the Dec 14, 1998 issue of Electronic Design. Class-D audio power amplifiers (APAs) were first introduced nearly 50 years ago. Since then, they have been used ...