Cambridge Audio has revised its award-winning Evo 150 streaming amplifier to deliver what it says is an even more open, engaging and enjoyable audio experience. It'll be available from July for £ ...

Ruark’s streaming amplifier is lovely to look at and use, with extensive features and a smooth, captivating performance in a compact form.

Multistage microwave transistor amplifiers of simple construction have been developed. In these amplifiers, unit amplifiers of the same design are connected in cascade with short transmission lines ...

A Class-E power amplifier has been designed to operate at 2.5 GHz using a commercial, packaged GaAs pHEMT. The design approach used a novel analysis of the package impedances. The objective was to ...

Music streamers are a convenient and versatile one-box solution for getting high-quality digital music from multiple online sources.

Whether you want a rugged, take-anywhere speaker for the beach or the centerpiece for a multiroom sound system, these are the top Bluetooth and Wi-Fi speakers we've reviewed.