In market for a powerful 200 WPC amp? ATI has you covered with two completely different technologies. We compare the AT4000 class A/B and the AT522NC Class-D amplifiers to help you decide. EIA 1kHz ...

A class-D puts out a pulse-width modulated (PWM) signal instead of the typical class-AB amplifiers linear signal The PWM signal contains the audio signal and the PWM switching frequency plus harmonics ...

Apogee Technology has complained about some of Texas Instruments Inc.'s Class D claims. In March, TI called itself the first to introduce a single-chip Class D amplifier in the 125-watt/channel range.

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 ...

Sponsored by Texas Instruments: With more electronics being installed behind the dashboard, space is at a premium, which has engineers turning to compact, efficient Class-D amps for their power ...

PS Audio and Parasound are both known for big Class AB amps, yet both make Class D amps now as well. The British electronics manufacturer Naim has used Class D here and there, in its Mu-so wireless ...

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 ...