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 ...

Sure, you think your iPod sounds perfectly fine, but the TTVJ Portable Slim Headphone Amplifier will dramatically improve an iPod's or any portable music player's sound. Steve Guttenberg Former ...

Whether you have a pair of headphones that could use an amplifier, or you have an audio source that could use one, a portable amp can change the way you listen to music on the go. Last week we asked ...

When we talk about music, it’s hard not to associate headphones with it, especially in the current scenario, we most certainly need the best portable headphone amp. However, given the amount of work ...

While wireless headphones seem to be taking over the portable audio market, there is still a big audience that craves the higher fidelity of wired headphones. With headphone jacks all but eliminated ...

Many of us have come to rely on our phones as our primary listening devices when it comes to music, but they don’t exactly provide the best audio quality. Try to drive a high-end pair of headphones ...

The CMoy portable headphone amplifier was designed for testing purposes while using a single OPA134 op-amp in a non-inverting configuration. The project has adequate current capability to drive most ...

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 - ...

If you use a pair of portable headphones, or even budget headphones, you could probably do with a decent amplifier. But if your favorite way of listening involves music on the go, it’s got to go with ...

Forbes contributors publish independent expert analyses and insights. Technology journalist specializing in audio, computing and Apple Macs. South Korean award-winning audio brand Astell&Kern has ...

Back in August 2017, we ran across an Indiegogo campaign that was particularly interesting, the Jamstack portable amplifier. The Jamstack portable amplifier is a small amp that attaches to the back ...