Pass Labs HPA-1 Headphone Amplifier

Pass Labs HPA-1 Headphone Amplifier

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Key info

The HPA-1 headphone amplifier was designed ground-up to become what we believe is one of the very best sounding headphone amplifiers available today. With low feedback, wide bandwidth and a direct coupled MOSFET output stage, this musical instrument drives even the most difficult headphone loads with ease, power and grace. The HPA-1 also functions as a line-level preamplifier that sonically rivals much higher-priced competition. The measured performance is superb and the sound even better.

Everything Audio Network

“The HPA-1 had an effortless quality that made recorded music sound more like the real thing.”


“Pass Labs, one of the most prestigious names in audio, has launched a terrific headphone amplifier”

Home Theater HiFi

“in bass clarity and authority and in midrange transparency, the Pass Labs HPA-1 is without peer”


“The Pass HPA-1 is on the top tier of the world’s finest headphone amplifiers”

Tone Audio

“An amplifier that drives headphones to exceptional performance”

“The best I’ve heard from a headphone amp anywhere near the HPA-1’s price.”

Enjoy The Music

“the Pass Labs HPA-1 is a bona fide muscle amp in the guise of an equal-opportunity preamp with headfi function.”

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