Matrix M-Stage HPA-3U+ DAC/Amp
Matrix M-Stage HPA-3U+ DAC/Amp
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Product Description
An upgraded version of the original Matrix M-Stage HPA-3U, the HPA-3U+ headphone amplifier boasts a built-in USB DAC and a single-ended headphone output. It’s equipped with an 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 ... Read More
Class A Headphone Amp & USB DAC

An upgraded version of the original Matrix M-Stage HPA-3U, the HPA-3U+ headphone amplifier boasts a built-in USB DAC and a single-ended headphone output. It’s equipped with an 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. Pair it with your Mac or Windows computer (the latter requires the included driver), or with your iOS or Android mobile device.

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
  • Dimensions, 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)
Included
  • Driver and user manual disk
  • Power cord
  • USB cable
  • Massdrop 1-Year Limited Warranty
Shipping

All orders will be shipped by Drop.

Estimated ship date is Aug 20, 2018 PT.

After this product run ends, payment will be collected and orders will be submitted to the vendor up front, making all orders final. Check the discussion for updates on your order.

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