The new Cambridge Audio CXA 81 is a powerful 80 Watt integrated amplifier that's packed with features, including a USB input and Bluetooth apt-X HD streaming. For the past month, I’ve had plenty of ...

Recently, the Chinese-based audio manufacturer has released the Play, a “just add speakers” streaming amplifier that, ...

[Blackcorvo] wrote in to tell us how he took a cheap “retro” guitar amplifier and rebuilt it with sub-miniature vacuum tubes. The end result is a tiny portable amplifier that not only looks the part, ...

The S2-101AA Stereo Audio Power Amplifier is the latest additional to TV One’s functional S2 Series. It provides for a wide range of audio input connections including RCA jacks, Mini-Combicon Terminal ...

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 ...

Review: The IQ Audio M300 MonoBlock amplifier is deceivingly good, delivering rated power with pristine fidelity and finesse in an efficient, cool running pint sized package. Class D at its best.

Statistics alone fail to capture the Meridian Audio sound system in the 2015 Range Rover's top-of-the-line Autobiography edition. The system's amplifiers, powered by 1,700 watts, deliver 3-D sound via ...

Many commercially available headphone amplifiers utilize design topologies such as Class AB, Class D and Class G and are found in the output stage of ICs such as DACs and codecs. Key criteria in ...