Audio-Technica Consumer AT-PHA100 Portable Headphone Amplifier

The AT-PHA100 Portable Headphone Amplifier from Audio-Technica is enclosed in all-aluminum casing to protect the circuitry and is designed to give headphones a rich, detailed boost throughout the sonic range with ultra-low distortion. It is equipped with both analog and digital inputs (1/8" and USB micro-B) and can be connected to several sources to provide better headphone quality for laptops, smartphones, recorders, and more.