How do I connect a microphone to my Raspberry Pi?
One of the cheapest ways of connecting your microphone to a Raspberry Pi is to make use of a USB soundcard. What a USB soundcard, does is convert the analog 3.5mm connection to a digital signal that can be sent over the USB connection.
Can a Raspberry Pi be an amplifier?
Luckily, among the thousands of Raspberry Pi hardware extensions are amplifiers with built-in digital-analog converters (DAC).
Does Raspberry Pi have a sound card?
The Raspberry Pi has an on-board audio jack, which is super handy for all kinds of sound effects and speech, just plug and go! However, for when you want better audio for music playback, a USB audio card can greatly improve the sound quality and volume, this tutorial will show you how.