Fiio has taken the wraps off three new devices at CES 2025 and they cover the gamut. There’s an ultra-affordable portable ...

FiiO is a rising star in the world of digital audio. The company is launching three products at this year's CES and promises ...

The FiiO K17 is a headphone amplifier that is designed to provide comprehensive features for headphone fans. The K17 provides ...

The HiFiMAN SERENADE Wireless DAC/Headphone Amplifier offers lossless streaming over Wi-Fi for $200 less than its predecessor ...

What light therapy devices have done for stimulating collagen and repairing damaged skin, and microcurrent devices on the skin sculpting front, the best high-frequency wands have for acne-fighting ...

How to use: Cover skin with cotton gauze, adjust the dial until you feel your skin tingling, and run the wand in circular motions on spots for one to three minutes. “Seasoned brand ...

AmpliTech: Enabling High-Performance Satellite Communication AmpliTech’s high-frequency ULNAs play a ... transformation with our high-performance amplifiers,” said Fawad Maqbool, CEO of ...

Amplitech announces the deployment of its proprietary low-noise cryogenic High Electron Mobility Transistor amplifiers. The company has delivered these amplifiers to two Fortune 50 companies ...

You can see the video below. A class A amplifier uses a transistor that is always biased on. It never saturates or switches off. This is good for linearity, but not always the best for efficiency ...

[Paulo] just tipped us about an Excel based high frequency transistor amplifier calculator he made. We’re guessing that some of our readers already are familiar with these class A amplifiers ...