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HPA4 - Class A Recommended Headphone Amplifier - Stereophile 2021

HPA4 - Class A Recommended Headphone Amplifier - Stereophile 2021

Stereophile Logo

HPA4 Headphone Amplifier Black

HPA4 - "Class A Recommended" Headphone Amplifier

"With the hard-to-drive HiFiMan Susvara headphones, the HPA4 showed each instrument in dramatic bas-relief. It accomplished this by presenting cleaner, better-articulated bass and manufacturing a sharper midrange focus than I had experienced previously with either my solid state reference, the Pass Labs HPA-1, or the tubed Linear Tube Audio Z10e.”

- Herb Reichert

"The LA4 preamplifier was the widest-bandwidth, widest-dynamic-range, lowest-noise, lowest-distortion preamplifier I had encountered at that time ... to those virtues, the HPA4 adds equally superb balanced and single-ended headphone outputs."

- John Atkinson

Stereophile 2021 Class A Recommended Headphone Accessory

Benchmark HPA4 Review in Stereophile


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Future Audiophile Logo

LA4 Review - Mike Prager, FutureAudiophile.com

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Benchmark LA4 Line Amplifier - front view

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