What is a headphone amplifier?

A headphone amplifier is a device that connects between an audio source and headphones to provide headphone-specific audio connections and controls. Some models are built into DACs, desktop audio equipment, or portable music devices.

What devices can connect to a headphone amplifier?

Depending on the model, a headphone amplifier may connect to computers, smartphones, tablets, CD players, turntables, gaming consoles, or other audio sources through USB, optical, coaxial, RCA, or 3.5mm inputs.

What is the difference between a headphone amplifier and a DAC?

A headphone amplifier prepares an audio signal for headphone output, while a digital-to-analog converter, or DAC, changes digital audio into an analog signal. Many products combine both functions in one device.

What headphone connections are commonly found on headphone amplifiers?

Common connections include 3.5mm, 6.35mm, balanced 4.4mm, XLR, and dual 3-pin XLR outputs. Check the amplifier and headphone specifications to confirm connector compatibility.

What features should I look for in headphone amplifier reviews?

Reviews commonly discuss input and output connections, supported audio formats, DAC functionality, gain settings, volume controls, balanced outputs, portability, power options, and compatibility with different headphone setups.