HiFiBerry DAC2 HD

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The HiFiBerry DAC2 HD is a high-end digital-to-analogue converter for the Raspberry Pi (newer models with 40 pin GPIO connector).

DAC2 Pro or DAC2 HD? If you’re just looking for the best audio quality – the answer is easy: the DAC2 HD. It offers lower distortions, higher signal-to-noise-range and higher dynamic range than the DAC2 Pro. If you’re on a budget, but still want a high-quality DAC, the DAC2 Pro might be your choice.

DSP Add-on for the DAC2HD now available!

60W Class-D Amplifier add-on now available!

Features

  • Stereo output
  • Dedicated 192kHz/24bit high-quality Burr-Brown DAC
  • Custom current-to-voltage output stage with high-end filtering
  • Four ultra-low-noise linear voltage regulators for optimal audio performance
  • Low-jitter clock for optimised clock performance (independent from Raspberry Pi clock sources)
  • Hardware volume control for DAC. You can control the output volume using “alsamixer” or any application that supports ALSA mixer controls.
  • Supports HiFiBerry DSP add-on module
  • Connects directly to the Raspberry Pi, no additional cables needed
  • No soldering - comes as a pre-fabricated kit. You just plug it onto the Raspberry Pi, it conforms to the Raspberry Pi hardware-attached-on-top (HAT) specification.
  • Compatible with all Raspberry Pi models with a 40-pin GPIO connector
  • Directly powered from the Raspberry Pi, no additional power supply required
  • HAT compliant, EEPROM for automatic configuration
  • Gold plated RCA output connectors
  • Comes with all components required to mount it. We include 4 M2.5x12mm spacers to fix the board onto the Raspberry Pi
  • Requires at least Linux kernel 4.19.97

Configuration

Please ensure you have the most recent Raspberry Pi Linux Kernel (at least 4.19.97) by following this link: https://www.hifiberry.com/docs/archive/deploying-a-new-linux-kernel-onto-a-raspbian-based-system/

Overlay for config.txt:

dtoverlay=hifiberry-dacplushd

Specifications

Maximum output voltage 2.1Vrms
DAC signal-to-noise ratio 123db typical
DAC THD+N -108db typical, 44.1kHz, -10dBFS
Frequency response 10Hz-70kHz -3dB
Power consumption <1W
Sample rates 44.1-192kHz
Bits/sample 16, 32

Please note: The actual board look may vary. Layout and components might change without notice. HiFiBerry does not guarantee a specific PCB layout or specific components.

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