For audio enthusiasts looking to upgrade the sound quality of their smartphone or laptop, a portable DAC/amp can be a fairly simple and affordable solution. The tiny hi-fi component plugs into your ...

Monoprice’s Monolith Portable Headphone Amplifier and DAC will bring out the best in your headphones, but the unit’s form factor, analog input, and smudge-prone surface hold it back from earning ...

If you're looking for a portable guitar amp, the Positive Grid Spark GO is an option that has received many positive reviews. Using a portable amp like this means you can play guitar wherever you go - ...

The circuit was designed for high performance unit as it serves as a portable amplifier for headphones while being powered with 3 Volts. Amplifier – an electronic device used for intensifying the ...