The stereo amplifier promises improved performance and versatility while maintaining an entry-level price tag.

As we’ve traced our no-nonsense path through the world of Hi-Fi audio, we’ve started with the listener, understood the limitations of the human ear, and thence proceeded to the loudspeaker.

Instead it’s a small-signal VHF amplifier, a rough equivalent ... with a 100 mV pk-pk sine wave as input to simulate a lower-level audio source. The output at maximum volume was 4.85 V pk ...

Tiny footprint. That's the pitch for the new Rotel DX-3, a compact headphone amplifier and standalone DAC that promises audiophile-grade audio for the best wired headphones. Inspired by Rotel's ...