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Pass Labs HPA-1

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 … Continue reading →

BrandPass Labs
ModelHPA-1
Frequency response
Total harmonic distortion (%)
Signal-to-noise ratio (dB)
Output impedance (Ω)
Gain (dB)8
Height (mm)102
Width (mm)279
Depth (mm)343
Weight (kg)6.35

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