Musical Fidelity's M1 HPA headphone amp sounds sweet and sports a USB input and onboard digital-to-analog converter. Ex-movie theater projectionist Steve Guttenberg has also worked as a high-end audio ...

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 ...

The DL400 is a high-powered desktop amp with impressive specification and a very competitive price tag. SMSL has developed a ...

A headphone amplifier than can drive both planar magnetic and electrostatic headphones? The iFi iCAN Phantom has arrived for $3,749. Is it possible for one headphone amplifier to drive everything?

Forbes contributors publish independent expert analyses and insights. Technology journalist specializing in audio, computing and Apple Macs. The older I get, the more I appreciate listening to music ...

Whether you’re just learning or are an established musician, audio amplification and monitoring is pretty much a requirement. I am by no means an established musician and still in the learning stages ...

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 ...

Forbes contributors publish independent expert analyses and insights. Geoffrey Morrison is a travel writer and digital nomad. This article is more than 10 years old. The HA-1 from Oppo is the ...

[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 ...

This HiFi headphone amplifier circuit design is normally used to drive a headphone with a relative low impedance. It provides one watt power output and it can also be applied as an output stage for ...

Sony just announced the PHA-2 High-Resolution Portable DAC/Amplifier, which was conceived to deliver superior sound reproduction from a variety of audio sources. It is the first portable DAC/amplifier ...

Both halves of the circuit are identical. Both inputs have a dc path to ground via the input 47k control which should be a dual log type potentiometer. The balance control is a single 47k linear ...