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. This is the first time we’ve ...

Aimed at smartphones operating from a single-cell lithium-ion battery, the PAM8905 from Diodes Inc. is a 1.9W class-D audio amplifier designed for audio systems that need to deliver a high sound ...

Learn how power amplifiers work, the common types, and what to lookout for when shopping for amps. You have to find out if the amplifier is a Class A/B analog amp or a Class D digital amplifier before ...