Pi 2 Design Digital Audio Streamers

Pi 2 Design is a US Based Manufacturer of Advanced Digital Audio Streaming Devices

Announcing the PI2AES 2.0, Digital Audio HAT - Now in stock!

The PI2AES 2.0, designed and manufactured by PI 2 Design, is a professional I/O Shield designed to bring Professional Studio Grade Audio to the Raspberry PI ® family of Single Board Computers.  This low-cost Shield converts the Raspberry Pi ® I2S Interface to High Definition Digital Audio Coax, OPTO and Balanced XLR. 
 
The addition of I2S LVDS Differential over HDMI allows the PI2AES 2.0 to interface with virtually any High Performance DAC on the market.
The major features of the PI2AES 2.0 are as follows:
  • FORM FACTOR – Raspberry Pi ® Shield Size w/40-Pin mating connector.
  • AES TRANSMITTER – The industry standard WM8804 converts the RPi I2S stream to AES3/SPDIF formatted data at 24-Bit up to 192Khz Frame Rate
  • COAX OUTPUT – A 1:1 Isolation Transformer provides Bit Perfect Impedance Controlled Coaxial Transmission of the Digital Audio Data
  • SPDIF OPTICAL OUTPUT – Isolated Optical Transmitter Drives Consumer Level DAC and AVR
  • BALANCED OUTPUT – An RS-422 Transmitter coupled with a 1:1 Isolation Transformer allows the transmission of balanced audio data via the Professional Audio Standard XLR Connector
  • DIFFERENTIAL I2S OUTPUT – A DS2063 Differential Transmitters is used to drive the I2S Bus over a standard HDMI Connector. The Pinout is Selectable Between the PS Audio and Gustard Standards.
  • HIGH RESOLUTION CLOCKS – A pair of Ultra-Low Noise NDK NZ2520SDA oscillators allow the WM8804 to operate in non-PLL mode for the lowest possible noise.
  • ULTRA-LOW NOISE LDO’s – Ultra-Low Noise LT3045 LDO (0.9uV noise and 80dB PSRR) is used to power the WM8804 AES Transmitter, while a 2nd LT3045 LDO powers the NDK Clocks.
  • LOW NOISE PCB LAYOUT – Constructed with 4-layer Split Ground PCB with noise reduction techniques refined from years of High-Speed Mixed-Signal Design work
Preliminary HW Reference Manual
pi2aes_2.0_hw_ref_manual_p1_0.pdf
File Size: 785 kb
File Type: pdf
Download File

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Available Products

PI2AES 2.0 - PRO AUDIO SHIELD

$299.00
PI2AES 2.0, Professional Studio Grade Audio I/O Shield.
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FEATURES

 
  • FORM FACTOR – Raspberry Pi ® Shield Size w/40-Pin mating connector.
  • AES TRANSMITTER – The industry standard WM8804 converts the RPi I2S stream to AES3/SPDIF formatted data at 24-Bit up to 192Khz Frame Rate
  • COAX OUTPUT – A 1:1 Isolation Transformer provides Bit Perfect Impedance Controlled Coaxial Transmission of the Digital Audio Data
  • SPDIF OPTICAL OUTPUT – Isolated Optical Transmitter Drives Consumer Level DAC and AVR
  • BALANCED OUTPUT – An RS-422 Transmitter coupled with a 1:1 Isolation Transformer allows the transmission of balanced audio data via the Professional Audio Standard XLR Connector
  • DIFFERENTIAL I2S OUTPUT – A DS2063 Differential Transmitters is used to drive the I2S Bus over a standard HDMI Connector. The Pinout is Selectable Between the PS Audio and Gustard Standards.
  • HIGH RESOLUTION CLOCKS – A pair of Ultra-Low Noise NDK NZ2520SDA oscillators allow the WM8804 to operate in non-PLL mode for the lowest possible noise.
  • ULTRA-LOW NOISE LDO’s – Ultra-Low Noise LT3045 LDO (0.9uV noise and 80dB PSRR) is used to power the WM8804 AES Transmitter, while a 2nd LT3045 LDO powers the NDK Clocks.
  • LOW NOISE PCB LAYOUT – Constructed with 4-layer Split Ground PCB with noise reduction techniques refined from years of High-Speed Mixed-Signal Design work


PI2AES 2.0 includes a PI3 and 4 compatible clear acrylic case.


Raspberry Pi Not included

Leadtime is typically 1 to 2 business days after receipt of order.
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Clear PI2AES 7" LCD Acrylic Case

$35.00
Acrylic case designed specifically for our PI2AES Pro Audio Shield and Raspberry Pi 3, 3+ and 4. Includes all necessary hardware for assembly.

​Does not include LCD or LCD cables.
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Clear PI2AES Acrylic Case

$25.00

Acrylic case designed specifically for our PI2AES Pro Audio Shield and Raspberry Pi 3, 3+ and 4. Includes all necessary hardware for assembly. Available in clear acrylic only. 
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