But the controls are somewhat unintuitive. If you want one device that can serve as a Bluetooth headphone adapter when you’re on the go and a USB amp/DAC when you’re not, the Qudelix-5K is an ...

There are plenty of tube amplifiers now being manufactured, with a popular choice being headphone amplifiers that use a tube as a gain stage followed by an op-amp as a buffer with a low impedance ...

Two newly reviewed headphone amps prove to be class leaders in their respective fields, entering our buying guides ...

The company claims will set new price and performance benchmarks in 2025. The FiiO K17 is a $899 headphone amplifier which covers all the bases for anyone who really enjoys listening to music ...