The best tech products announced this week include Bang & Olufsen's portable speaker and Leica's special-edition camera.

Are you thinking about improving your laptop's audio performance? Investing in a portable DAC could dramatically change the sound, or make very little difference.

The Audiolab D7 and D9 DACs offer plenty of versatility, with both models doubling as pre-amplifiers and headphone amplifiers. The D7, priced at a reasonable $600, handles high-res audio, MQA decoding ...

K2HD Technology, DSD Remastering, 5,700mW peak output, lossless Bluetooth, and 18-hour battery life are just some of the features of the iFi iDSD Valkyrie. The iDSD Valkyrie is built around four ...

If your turntable has a built-in phono preamp, you can run a basic RCA stereo interconnect cable from its ... or with a coaxial or optical digital audio input. The big advantage of this approach ...