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24 Bit / 192 kHz USB Kopfhörer-Verstärker
Sample rates supported USB 16-24Bit @ 44.1kHz/48kHz/88.2kHz/96kHz/176.4kHz/192kHz ~ DSD64 (DoP)
Gain Adjustment 5dB/10dB/20dB
Frequency Response 20Hz - 20kHz (+0.01dB/-0.04dB)
SNR -112dB A-Weighting
Distortion 0.0003% at 1kHz 1VRMS A-Weighting
Output Power 2800mW/33Ω, 420mW/300Ω, 210mW/600Ω at THD+N=0.01%
Output Impedance line out 51Ω / phones out 0.2Ω
System Support ASIO Drivers Avalable for: Windows XP/ Windows Vista/ Windows 7/ Windows 8 - 8.1
*Apple OSX & Linux have native support and do not require a driver.
Power AC 115/230 volts 50/60Hz - 25 watts
Fuse Rating: 5×20mm 500mA
Other Dimensions:
285mm × 142mm × 49mm
Weight: 1.7kg
Accessory Disk with Driver & User Manual, PowerCord, USB Cable
empf. VK inkl. 19% MwSt. to be announced

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Headphone AMP & USB DAC


 The M-STAGE 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.

The M-STAGE HPA-3U 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!

The M-STAGE HPA-3U is the most stable XMOS U series USB controller on the new USB module, support 24 bit/192kHz sample rate PCM signal playback, DOP mode DSD playback capacity, the biggest bright spot is that can be played with your iOS and the most Android devices.

The M-STAGE HPA-3U excellent structural design to quickly dissipate the heat of power transistors 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.

The M-STAGE HPA-3U uses an 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.


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