MATRIX M-STAGE HPA-3U+ USB DAC Headphone Amplifier Class A 24bit 192kHz DSD128

MATRIX M-STAGE HPA-3U+ Class A Balanced Headphone Amplifier
The Matrix M-Stage HPA-3U+ is an evolution of the brand's famous Class A amplifier with an audio converter and USB input. This amplifier has been completely redesigned and optimized to offer even more music to the experienced enthusiast.

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Matrix M-Stage HPA-3U+

USB DAC Headphone Amplifier Class A 24bit 192kHz DSD128

Matrix M-Stage HPA-3U+ DAC USB Amplificateur Casque Class A DSD

The Matrix M-Stage HPA-3U+ is an evolution of the brand's famous Class A amplifier with an audio converter and USB input. This amplifier has been completely redesigned and optimized to offer even more music to the experienced enthusiast.

With a selection of gain on the front over three levels, you benefit from a perfect impedance matching on any top-of-the-range sedentary headset. Many technological points have been improved, making this USB headset amplifier even more attractive:

  • New Aluminium chassis design
  • 4 Transistors per polarized side Class A with shorter circuit
  • Parallel circuit improving crosstalk
  • Lower output impedance (Line output 2Ω / Headphone output 0.2Ω)
  • Extended Dynamics (112dB)
  • Potentiometer ALPS RK27 Serie
  • WIMA and Nichicon audiophile quality capacitors
  • Non-inductive film resistors
  • Noratel toroidal transformer with antistatic screen and low radiation

This USB DAC preamplifier is the ally of high-end headphones, including the AKG 702 and Beyerdynamic series. It will bring finesse, dynamism and a very attractive balance.

Matrix M-Stage HPA-3U+ DAC USB Amplificateur Casque Class A DSD
AUSB Input 24bit 192kHz
BStereo RCA input
CStereo RCA output
DON/OFF button
EPower supply connector
Matrix M-Stage HPA-3U+ DAC USB Amplificateur Casque Class A DSD
AJack 6.35mm headphone output
BPower status LED
CInput selector
DGain selector (5dB / 10dB / 20dB)
EVolume button
FDSD State LED

Qobuzissime for the Matrix M-Stage HPA-3U

" The headphone amplifier with DAC M-Stage HPA-3U is a very nice device, which has a big mouth and looks indestructible. Using high quality components, it offers first-class sound quality and is full of power. "
Qobuzissime pour le Matrix M-Stage HPA-3U

Matrix M-Stage review by Audio Science Review

Overall, I recommend the HPA-3U as a strong headphone amplifier "
Test du Matrix M-Stage par Audio Science Review

Technical characteristics

Specifications
Product typeHeadphone amplifier
Inputs1x USB-A
1x Single-ended Stereo RCA
Outputs1x Jack 6.35mm
1x Single-ended Stereo RCA
Gain setting5dB
10dB
20dB
USB interface chipXMOS U8
USB TransmissionAsynchronous
Supported sampling rateUSB : PCM up to 24bit 192kHz / DSD up to DSD128 (DoP and native ASIO)
OS CompatibilityWindows XP / Vista / 7 / 8 / 8.1 / 10 (needed driver included)
MAC OSX 10.6.4 or later
Android (with OTG compatibility)
iOS (with Camera USB adapter)
RCA Line Output Measurements
SNR> -112dB Class A
THD+N< 0.0003% @ 1kHz
Frequency response20Hz - 20kHz (+0.01dB / -0.04dB)
Output impedance51Ω
Power output (@ THD+N = 0.01%)2800mW @ 33Ω
420mW @ 300Ω
210mW @ 600Ω
Jack 6.35mm headphone output measurements
SNR> -112dB Class A
THD< 0.0003% @ 33Ω, 325mW, 1kHz, Class A
Frequency response20Hz - 20kHz (+0.03dB / -0.1dB)
Output impedance0.2Ω
Output power (@ THD+N = 0.01%)2100mW @ 33Ω
430mW @ 300Ω
220mW @ 600Ω
General
Consumption< 25W
FuseAC250V / 500mA 5x20mm
Dimensions285 x 142 x 49mm
Weight1.7kg
Package1x Matrix M-Stage HPA-3U+
1x Power cable
1x USB cable
 
Data sheet
InputRCA
InputUSB 2.0
InputUSB XMOS
InputUSB-B
OutputJack 6.35mm
OutputRCA
Max sampling rate192kHz
Max sampling rateDSD128
ColorBlack
Components / ChipCS4398
ConnectionTo connect
StructureAluminium
Channel2 channels (Stereo)
ClassClass A / AB
 
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MATRIX M-STAGE HPA-3U+ USB DAC Headphone Amplifier Class A 24bit 192kHz DSD128
The Matrix M-Stage HPA-3U+ is an evolution of the brand's famous Class A amplifier with an audio converter and USB input. This amplifier has...

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