Previously, we wrote about the Louder Raspberry Pi, an open-source media center that integrates the Louder Raspberry Hat ...

We have had the good fortune of testing some of the industry's best multi-channel amplifiers. If you are from the camp that all amps sound the same, then don't waste your time reading another ...

1. Is Amplifier Weight an Indicator of Robust Amplifier Design? You have to find out if the amplifier is a Class A/B analog amp or a Class D digital amplifier before you can generalize about weight ...

Does the Peachtree Audio GaN400 power amplifier redefine Class D? Let’s take a deeper look at this new amplifier that offers over 400 watts per channel. Peachtree Audio are a very interesting company.

Sonos has announced an upgraded version of its streaming amp, and it's built to take on large-scale tasks for audiophiles in "complex residential" situations. This comes after a quiet year for the ...

If you know anything about a transistor, it’s probably that it’s a three terminal device whose output pin forms part of a potential divider whose state is dependent on what is presented to its input ...

The $99 Schiit Audio Magni 3+ is a fully discrete, current-feedback headphone amplifier that’s extremely quiet and powerful enough for your headphones. Celebrating 3 birthdays during a global pandemic ...

Why you can trust What Hi-Fi? Our expert team reviews products in dedicated test rooms, to help you make the best choice for your budget. Find out more about how we test. We can’t remember the last ...

This is just an ultra-quick blog post about a nostalgic IC: µPC1237. It’s a timeless bipolar analog IC from NEC designed for protecting stereo audio power amplifiers and loudspeakers. I used to see ...

Here this circuit is based on the principle of audio amplification using operational amplifier and pulse width modulation using 555 Timer. In this article we are describing the principle, design and ...