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HPA-3U is a biggest evolution since the M-Stage series headphone
amplifier came out, the new appearance, the new circuit design and radical
performance improvement to make it all difference.
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Full-band of THD + N less than 0.0003%, SNR up to -112dB, bandwidth not
less than 150k at -3dB gain, 0.2Ω ultra low output impedance, three gain
level options to fit for the different impedance and sensitivity headphone,
all of these excellence performance improvements to be born the brand
new HPA-3U!
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The most stable XMOS U series USB controller on the new USB module,
support 24 bit/192kHz sample rate PCM signal playback , DOP method DSD
playback capacity, the biggest bright spot is that can be played with your
iOS and the most Android devices.
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Excellent structural design to quickly dissipate the heat of power tube via
the shell, to ensured the stability of the work ; full symmetric circuit layout
makes two channels audio have the isometric path; driver stage use the
precision constant current source and establish stable working point;
Parallel output of the output stage can effectively reduce the output
impedance, and improved driving capability, extended dynamic range.
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ALPS 27 series volume potentiometer, Wima and Nichicon audio grade
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