Power Holdings Inc is an international consumer audio product development and distribution company. We specialize in marketing high end audio components and accessories to music enthusiasts in North America.
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HPA-2 CLASSIC headphone amplifier is the improved model of HPA-2, the optimized circuit design, new style appearance, exquisite processing technology and excellent performance to make it better.
The high-brightness chamfering edge design of front panel, ultrahigh speeds revolving cutting tools elaborately carved out the mirror-like gloss edge on front panel, further improve the visual texture. The knurling design of volume knob to add the friction of the finger contact area can get better grip compare with polishing surface treatment, red mark on volume is more clear and distinguishable.
The new gain control function, switching the gain switch on the rear panel to adjust output gain, two sections gains to match different headphones.
The new design of USB module is used XMOS U series chip and CS4398 high-performance D/A chip, support PCM-24bit/192kHz and DSD-2.8MHz/5.6MHz signal playback, not only DoP and ASIO Native two DSD playback methods, but also can be used with the iOS and the most android devices.
Class A work mode can feature it easily to drive all kinds of low sensitivity dynamic headphones; can be used as a preamplifier. The headphone protection function and power on/off noise elimination function to prevent the wrong voltage to damage your headphones and brings you the better user experience.
Cherry-pick every components, the ALPS 27 type volume potentiometer, WIMA/Nichicon audio grade capacitances, audio dedicated power supply transformer, and precision non-inductive resistances, all of these selective components to ensure get the best playback performance from HPA-2 CLASSIC.
>-95dB at 20Hz-22kHz A-Weighting
<0.0017% @ 1kHz 1Vrms A-Weighting
<0.0017% @ 300ohms 13mW 1kHz A-Weighting
20Hz-20 kHz (+0.01dB/-0.04dB)
110mW @ 33ohms / 310mW @ 300ohms / 160mW @ 600ohms @ THD+N=1%
XMOS Asynchronous USB Audio class 2.0
CIRRUS LOGIC CS4398
<0.0009% @ 1kHz A-Weighting
16-24Bit/44.1kHz 48kHz 88.2kHz 96kHz 176.4kHz 192kHz
DSD2.8MHz/DSD5.6MHz (DoP and ASIO Native)
Windows XP/Vista/7/8/8.1/10 systems need to install the driver suppliedMac OS X 10.6.4 and above version have native support and do not require a driverCan be used with the most of Android devices via the OTG cableCan be used with iOS devices via the Lightning to USB Camera Adapter
Power & Accessories
230V position is fit for AC220V-240V 50/60Hz115V position is fit for AC100V-120V 50/60Hz
Driver & User Manual Disk x1 Power Cord x1 USB Cable x1
280×120×47mm L×W×H (Including the protruding part)
Welcome to Power Holdings Inc! We have been in business since 2008 providing audiophiles with equipment and customer service that we are proud of. Our brands are sold throughout the USA and Canada both online and in retail stores. Please see our list of AUTHORIZED RESELLERS to find a dealer near you. You can also purchase these products on this website. If you have any questions please feel free to CONTACT US.
Enjoy the music, Arthur G H Power IV