@strawberry-3.141 said in Sound cards of different Pi models: To optimise one of my modules, I would like to ask you guys to type cat /proc/asound/cards in your console and provide the output together with your raspberry pi module and what kind of microphone you’re using Raspberry Pi 3 / USB Microphone No modules running now, Jbl Go with Bluetooth on a pi3. 0 [ALSA ]: bcm2835 - bcm2835 ALSA bcm2835 ALSA