€20.33 €16.80
In stock
DAC IC awarded ESS Technology Sabre ES9023
ConnectionAll Rasperry Pi with 40-pin GPIO
Size Flip-Chip: no components on top - fits with many cases
Dynamic Range Studio quality with 112dB DNR
Async Mode 49.152 MHz 25ppm OSC up to 192kHz Sampling Frequency
Voltage Ultra-low-noise LDO with 11.5µVRMS only
Ground Analog ground separated from digital signal processing
Output 3,5mm audio jack (RCA optional)

Package Contains

  • HIRESFI SABREberry Raspberry Zero DAC with OSC, LDO and 3.5mm headphone jack
  • Optional: Gold-plated RCA sockets - not mounted

Raspberry Zero I2S soundcard developed by High-End Audio enthusiasts in the purpose of making an extremely good DAC for HiRes audio.

SABREberry Zero utilizes the ES9023 Digital Analog Converter from ESS Technology Inc. Having this on board, this I2S DAC not only plays excellent at all sampling rates. Even in the Champions League for HiRes audio files, it scores with up to 112dB DNR with aplomb. But even with compressed music sources from around 190 kBit/s, an impressive gain in sound performance can be experienced.

A precice on-board 49.152 MHz 25ppm oscillator enables this soundcard to decode music with up to 192kHz independently in low-jitter, asynchronous mode. In addition, the ultra-low-noise power regulator LDO prepares the required voltage with only 11.5µVRMS in an optimal manner.

Hardware and Software

SABREberry Zero utilizes I2S signals BCLK (GPIO18 PIN12), LRCK (GPIO19 PIN35) and DataOut (GPIO21 PIN40).
A very precise masterclock MCLK is generated by SABREberry itself.
I2C connection to SABREberry is not required.
SABREberry DAC is compatible to HIFIberry DAC.

Description for OSMC (Linux with KODI)

My OSMC -> Pi Config -> Hardware-support -> Soundcard Overlay -> hifiberry-dac-overlay
My OSMC -> Pi Config -> Hardware-support -> LIRC GPIO Support -> DISABLE
Settings -> Sytem -> Audio Output -> Audio Output Device -> ALSA:Default

Now, music streamed in local network to osmc (UPnP media renderer), it is played-back with SABREberry.

Description for Raspian

sudo nano /boot/config.txt -> insert dtoverlay=hifiberry-dac
sudo nano /usr/share/alsa/alsa.conf -> replace defaults.ctl.card 0 by defaults.ctl.card 1
sudo nano /usr/share/alsa/alsa.conf -> replace defaults.pcm.card 0 by defaults.pcm.card 1
sudo nano /etc/asound.conf -> insert following lines
pcm.!default {
type hw
card 1
ctl.!default {
type hw
card 1
sudo reboot
Output Levels

Autosensing from 2VRMS to 1VRMS at 30Ω.

Amplifiers can be connected either to the 3.5mm headphone jack or to the optional RCA sockets. Amplifiers will be supplied by SABREberry Zero with usual 2V RMS.

Maximum Volume of connected headsets is impedance-dependent. Headsets usually have an impedance between 32Ohm and 250Ohm. Small headphones with higher impedance run at good volume with SABREberry and are preferred for perfect sound (no additional amplifier section).


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