The latest hi-fi, home cinema and tech news, reviews, buying advice and deals, direct to your inbox.

Earlier this year, WiiM announced a slightly higher-end and updated version. The WiiM Amp Pro ($379) has the same DAC, streaming capabilities and power — outputting 60 watts per channel (into 8 ohms) ...

The internals of the Quad 303 power amp have been updated completely, too. It features a new circuit design, advanced feedback topology, and Class A/B amplification — capable of outputting 50 watts ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Brent Butterworth Brent Butterworth is a writer dedicated to audio gear.

Power amplifiers deliver a specific amount of AC power to a load. They are used in audio frequency and radio frequency applications. An RF power amplifier is used to amplify radio frequency (RF) ...

Probably one of the most celebrated amplifiers ever made—the 33/303 two-box pre/power amp system from Quad—is back. The British high-end hi-fi brand is reviving the design 57 years after it ...

Whether you are an RF transistor designer, an amplifier designer or a system designer, this is your one-stop guide to RF and microwave transistor power amplifiers. A team of expert authors brings you ...

In the case of a preamplifier it will usually be designed to work with high impedances in the order of 50 kΩ at both input and output, while in a power amplifier designed to drive speakers or ...

Delivering a beastly 100 watts per channel of Class AB power, the EXA100’s amplifier modules are based on those found in the $5,000 Edge M power amp. It even uses the same monobloc power ...

First of all, there can be some confusion between integrated amplifiers (one that combines both a preamp and power amp) and stereo receivers (which is basically an integrated amplifier with an AM ...

To check, remove the power from the amplifier and see whether the problem goes away. There are three types of amplifier – masthead, set-back and distribution. All these need a power supply to work.

Have you been paying attention to current events recently? See how many of these 10 questions you can get right. Compiled by Jeremy Engle and Michael Gonchar As the votes are counted, we invite ...