Despite its compact size, the FiiO QX13 is a true audiophile-grade gadget. It features a flagship-quality DAC chip (ESS Sabre ...

I'm always on the lookout for under-the-radar products that might be a good value. Here's a behind-the-scenes look at how headphone makers do their thing.

Who needs a preamp in 2025? Anyone who’s not into lifeless, app-controlled audio hell. Here’s why real systems still need real control.

In this paper, a two-stage ultra-low-power operational amplifier is designed, and a comparative analysis of the proposed subthreshold complementary amplifier is presented between 180nm, 90nm, and 45nm ...