The makers of Raspberry Pi, element 14, recently released an audio card worth $33 for its $25 computer. The audio card add-on is made with the help of Wolfson audio and can product audio quality of up to 24-bit/192KHz. The interface will use Pi’s P5 pins.
The unit also contains a power amplifier for speakers with a connection to an external power. The connector options are as follows:
- 3.5 mm jack (4-pole) for a headset/boom mic combination for gaming or VoIP applications
- 3.5 mm jack for microphone input
- On-board MEMS microphone
- 3.5 mm jack stereo line input for connection to devices such as digital audio players (iPod etc.) or mobile phones
- 3.5 mm jack stereo line output for connection to devices such as external stereo amplifiers or powered speakers
- S/PDIF input and output
- On-board class D power amplifier for external speakers, with connection to external power source if needed.
- Small pin header for extra functions if they are low cost, already on-chip, and don’t require any further components
- Raspberry Pi form factor
The add-on can be purchased from here.