If you talk to the FDA, there’s only one permanent method of hair removal—electrolysis. This involves sticking a needle into a hair follicle, getting it very hot or running a current through it, and ...

Our picks for the best dedicated headphone amplifiers for audiophiles includes Apos, Feliks Audio and STAX. The headphone amplifier category is in the middle of a subtle but important shift.

In the last several years, Sonos has introduced numerous speakers, soundbars, and even its first-ever pair of headphones. One thing it hasn’t announced? New hi-fi components. The brand’s Port and Amp, ...

We may receive a commission on purchases made from links. Sonos has unveiled its first new product of 2026, the Amp Multi. This amplifier is a niche option for the owners of very large or complicated ...

The LM358 family of dual op amps is among those hoary industry work-horse devices that are inexpensive and still have their uses. These parts’ outputs can approach (and for the inputs even include) ...

Need a Hall sensor? A strip of copper, a strong magnet, and an LM358 are all you need to explore the Hall effect hands-on. This experimental setup turns microvolt signals into measurable millivolt ...

Improvements to the sound quality make this compact, capable and affordable streaming amplifier a more enjoyable listen and easy to recommend Best hi-fi systems 2026: CD, vinyl and streaming music ...

The integrated amplifier market is evolving and that’s a very good thing for audiophiles looking in 2022. 2022 was a really good year for those looking at the network amplifier, receiver, and ...

Control app can take its sweet time every now and then. Could sound more assertive. From a quiet corner of Linkplay Technologies headquarters in Newark, California, WiiM has rapidly become one of the ...

Forbes contributors publish independent expert analyses and insights. Technology journalist specializing in audio, computing and Apple Macs. Earlier this year, I reviewed the WiiM Ultra music streamer ...