This pocket-sized headphone amplifier works with wired and wireless headphones and includes Qualcomm's flagship Bluetooth ...

The star of the show is the flagship Qualcomm Bluetooth platform QCC5181, which supports aptX Lossless. With 2.1Mbps of ...

The BTR17 uses the THX AAA 78+ headphone amp, previously used in the FiiO M23 DAP. The four-channel fully balanced design ...

Many modern op amps and in-amps have PSR specs of 80 dB to over 100 dB, reducing the effects of power-supply variations by a factor of 10,000 to 100,000. Even a fairly modest PSR spec of 40 dB ...

Op amps are very high gain amplifiers with differential inputs and single-ended outputs ... The common-mode voltage is not applied to the DUT input terminals, where low-level effects would be likely ...

Don't let a dead battery ruin your morning—keep one of these portable jump starters handy. We tested 6 of them to determine ...

Many of us will serve up our favorite tunes using a smartphone, but may be left wanting in the sound quality department. That ...

According to Infineon, these wafers—the thinnest of its type to be mass-produced—will enhance the efficiency, density, and reliability of its power converters.

For these reasons and more, the Jackery 2000 Plus is our best large and best overall portable power station. The EcoFlow Delta 3 Plus is a high-performing ... 120-volt, 20-amp residential ...