DFRduino M0 Audio Expansion Shield selects the latest full-featured WM8978 of Wolfson as the audio processor. It comes with HI-FI level digital signal processing kernel, supporting 3D surround-sound enhancement and 5 frequency bands balance which can improve the sound quality. With a programmable notch filter, it also can filter noise caused by current noise, etc.
WM8978 professional Hi-Fi codec chip
Standard IIS interface
Dual 3W amplifier
Support onboard MIC, DC3.5 MIC Input
Operating Voltage: 5V
Maximum Operating Current: 2A
Audio Format: wav file
DFRduino M0 shield package
Input Interface: 3.5mm MIC & On-board MIC
Output Interface: 3.5MIC headphone & XH2.54 Speaker pins
Dimension: 55mm * 53mm/2.16" * 2.08"