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 ...

This test applies the maximum voltage available from the sound processor at the input of the power amp, leading to a squarewave-like output signal. This test dissipates up to 1.41 W per channel in the ...

Although class d amps are extremely efficient. there are a few people out there that say because the amplifier is basically a filtered square wave, you’ll be able to hear a difference in the ...

If you have read an amplifier review or looked at the specifications for an amp, the chances are that you have come across a term such as 'Class A/B'. In fact, this is just one of a number of ...

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.

He said Class AB amps typically run at between 15 and 40 percent efficiency when playing back music, while Class D amps run at between 40 and 85 percent. And that's only part of the picture.

Consumer demand for flexible audio features and hi-fi sound from mobile phones has led to handset audio chip designers having to optimise the Class D amplifier to meet the noise and power management ...

This integrated the class-D digital audio signal processing technique (PWM) with the Class-AB power amplification into a small IC. It has the mini-size, low heat advantages of Class-D amplifiers and ...

Knowing what the Class AB label means for the Yamaha A-S301 makes it easier to determine if it's right for your sound goals. Customer reviews can help out with this as well.

The type of amp you choose can have a huge effect on sound quality, power consumption, and cost. Here's how the Yamaha A-S301 performs.