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Matrix M-Stage HPA-3U+ DAC/Amp

$419

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    The Matrix M-Stage HPA-3U+ DAC/Amp is an upgraded version of the original M-Stage HPA-3U in appearance and circuit design, comes with a built-in USB DAC, and has a single-ended headphone output. It has a XMOS U-series asynchronous USB chip and a Cirrus Logic CS4398 D/A chip, and supports a 24-bit/192kHz sample rate, plus DSD 2.8 MHz and 5.6 MHz.

    The M-Stage HPA-3U+ has a 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, and three gain level options to fit for the different impedance and sensitivity headphones. Finally, the Alps 27 series volume potentiometer, Wima and Nichicon audio gradecapacitors, Noratel toroidal transformer, and precision non-inductive resistance makes HPA-3U+ present the perfect sound that is also more stable and reliable.

    Specs:

    • Line output
      • Signal-to-noise ratio: > -112 dB at 20 Hz – 22 kHz A-weighted
      • THD+N: < 0.0003% at 1 kHz 1 Vrms A-weighted
      • Frequency response: 20 Hz – 20 kHz (+0.01 dB / -0.04 dB
      • Output impedance: 51 ohms
    • Headphone output
      • Signal-to-noise ratio: > -112 dB A-weighted
      • THD+N: < 0.0003% at 33 ohms 90 mW 1 kHz A-weighted
      • Frequency response: 20 Hz _ 20 kHz (+0.01 dB / -0.04 dB)
      • Output impedance: 0.2 ohms
      • Output power (at THD+N = 0.01%): 2800 mW at 33 ohms, 420 mW at 300 ohms, 210 mW at 600 ohms
    • USB input
      • USB chip: XMOS U-series asynchronous USB chip
      • D/A chip: Cirrus Logic CS4398
      • Signal-to-noise ratio: > -110 dB A-weighted
      • THD+N: < 0.0009% at 1 kHz A-weighted
      • PCM sample rate: 16 – 24 bit / 44.1, 48, 88.2, 96, 176.4, 192 kHz
      • DSD sample rate: DSD 2.8 MHz, 5.6 MHz (DoP and ASIO native)
      • System support, Windows: XP, Vista, 7, 8, 8.1 systems need to install the driver supplied
      • System support, Mac: OS X 10.6.4 and above have native support, do not require a driver
      • System support, Android devices: Can be used with most via the OTG cable
      • System support, iOS devices: Can be used via the Lightning-to-USB camera adapter
    • Power
      • Power voltage, 230 V position: Fit for AC 220 – 240 V 50/60 Hz
      • Power voltage, 115 V position: Fit for AC 100 – 120 V 50/60 Hz
      • Power consumption: < 25 W
      • Fuse: AC 250 V / 500 mA 5 x 20 mm
    • Physical
      • Gain control: 5 = 5 dB, 10 = 10 dB, 20 = 20 dB
    • Size, L x W x H: 11.2 x 5.6 x 1.9 in (29 x 14 x 5 cm)
    • Weight: 3.7 lbs (1.7 kg)


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