The HiFiBerry Digi2 Pro Rev. 2.2 is a sophisticated digital audio interface board designed specifically for Raspberry Pi enthusiasts and audiophiles. This HAT-compliant board delivers exceptional digital audio output through both optical (Toslink) and electrical connections, supporting high-resolution audio up to 192kHz/24bit. The board features a dedicated S/PDIF interface chip that ensures bit-perfect audio transmission, meaning your audio signal remains completely unaltered. Installation is remarkably straightforward - simply attach it to your Raspberry Pi's GPIO pins with the included mounting hardware (four M 2.5 x12mm spacers). No additional power supply is needed as it draws power directly from your Raspberry Pi.
The board's enhanced design includes a second GPIO header for add-on board compatibility, making it versatile for various audio projects. Compatible with Raspberry Pi models A+, B+, 2B, and 3B, this board is perfect for creating high-end digital audio connections or linking to premium DACs. The pre-fabricated design requires no soldering, making it accessible to users of all skill levels.