Questyle M18i MAX adds LDAC, aptX HD, LE Audio, dual ESS DACs, and longer battery life. Is this the complete mobile DAC amp?

If you’re serious about wired audio, there’s now a MagSafe headphone amp and digital-to-analog convertor for iPhone. MagDac ...

If you’re wondering if a headphone amp can make your cheap wired earbuds, like Apple’s EarPods ($19), sound better — the answer is: probably not. Let’s explain. The job of a headphone amplifier is to ...

This new gadget can clamp magnetically to the back of a smartphone to provide an instant audio upgrade and the ability to use ...

Now that pretty much every major streaming music service — except Spotify — offers lossless audio options at CD-quality or better, you may be wondering how you can hear that extra level of sound ...

Headphones are used by almost every smartphone user out there, which is why we are going through the best headphone amp under one hundred dollars. While some use wireless headphones, some rely on the ...

If you’re looking for better audio at your desk, one of the best things you can do is buy a nice pair of wired headphones and a headphone amp/DAC that can properly drive them. The advantage of wired ...

Monoprice’s Monolith Liquid Spark makes budget headphones sound better than ever, while the Monolith Liquid Platinum takes high-end headphones to the next level. Ex-movie theater projectionist Steve ...

At the extreme budget end of tube audio lie single-tube amplifiers usually using very cheap small-signal pentodes. They’ve appeared here before in various guises, and a fitting addition to those ...

Rugged build is good for travelers. Big soundstage, sharp sound, and excellent bass boost. The inclusion of a battery charger a nice touch. Spendy for an audio accessory. Buttons are somewhat hard to ...

Ex-movie theater projectionist Steve Guttenberg has also worked as a high-end audio salesman, and as a record producer. Steve reviewed audio products for CNET and worked as a freelance writer for ...

[Simon] wrote in to tell us about a headphone tube amp that he just built. It is based on schematics at diyaudioprojects.com that were actually featured on Hackaday in the past. [Simon’s] design adds ...