What Hi-Fi? is a technology buyers guide that provides reviews, news, advice, and videos related to hi-fi, home cinema, and technology products. It is the worlds most trusted home entertainment buyers guide. The magazine provides comprehensive tests to help readers buy and own home entertainment products. The website offers a range of articles, including best buys for home theater set-ups, powered speakers, soundbars, 5.1 packages, and cheap wireless headphones. The magazine is available for purchase as a single issue or through a subscription.