M-Stage HPA-3U Class Matrix A Headphone Amplifier USB DAC XMOS DSD Decoder 110V to 240VM-Stage HPA-3U Class Matrix A Headphone Amplifier USB DAC XMOS DSD Decoder 110V to 240V

M-Stage HPA-3U Class Matrix A Headphone Amplifier USB DAC XMOS DSD Decoder 110V to 240V

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List price:
US $410.00
US $410.00

Product Description

Matrix M-Stage HPA-3U Class A Headphone Amplifier USB DAC Decoder 110v to 240v


Revolutionary Improvement
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.

Of THD Full-band + less than SNR 0.0003%, up to -112dB bandwidth, not less N 150k at -3dB gain than, 0.2 low output ultra impedance three, gain level To fit for options the different impedance and sensitivity headphone all, of Excellence performance improvements these to be born the brand new HPA-3U!

High Resolution Format Compatibility
The most stable XMOS U series USB controller on the new USB module, support 24 Sample rate PCM signal playback DOP, mode DSD playback capacity bit/192kHz, the Bright spot is biggest that can be played with your iOS and the most Android Devices.

Brand New
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.

Selection Best Match Best
Alps 27 series volume potentiometer, Wima and Nichicon audio gradecapacitors, Noratel toroidal transformer, precision non-inductive resistance, each carefully selected components make HPA-3U not only presents the perfect sound, but also a more stable and reliable.


Line Output
SNR:>-112dB at 20Hz-22kHz A-Weighting
THD+N:>0.0003% at 1kHz 1VRMS A-Weighting
Response: 20Hz-20kHz Frequency (+0.01dB/-0.04dB)
Output Impedance: 51ohms

Headphone Output
SNR:>-112dB A-Weighting
THD+N:<0.0003% at 33ohms 90mW 1kHz A-Weighting
Response: 20Hz-20kHz Frequency (+0.01dB/-0.04dB)
Output Impedance: 0.2ohms
Output Power: 2800mW at 33ohms / 420mW at 300ohms / 210mW at 600ohms at THD+N=0.01%

Gain Control
Gain: 5=5dB 10=10dB 20=20dB

USB Input
USB Chip: XMOS U-Series Asynchronous USB Chip
D/A Chip: Texas Instruments DSD1793
SNR:>-110dB A-Weighting
THD+N:<0.002% at 1kHz A-Weighting
PCM Sample Rate: 16-24Bit /44.1kHz 48kHz 88.2kHz 96kHz 176.4kHz 192kHz
DSD Sample Rate: DSD64(DoP)
System Support: Windows XP/Vista/7/8/8.1 systems need to install the driver supplied
Mac OS X10.6.4 and above version have native support and do not require a driver
Can be used with the most of Android devices via the OTG cable
Can be used with iOS devices via the Lightning to USB Camera Adapter

Power Voltage: 230V position is fit for AC220V-240V 50/60Hz
115V position is fit for AC100V-120V 50/60Hz
Power Consumption:<25W
Fuse: AC250V/500mA 5×20mm

Dimension: 285×142×49mmL×W×H(Including the protruding part)

1 x M-Stage HPA-3U
1 x USB Cable
1 x Power Cord
1 x Driver&User Manual Disk

Packaging Details

Unit Type: 
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Estimated Delivery Time is 7-30 business.

Note: The delivery time mentioned above does not include order processing time that usually varies from 1 to 3 days.
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