Amazon.com: Onyehn TRRS 3.5mm Audio Jack Breakout Headphone Video Audio MP3 Jack Module for Arduino (Pack of 8pcs) : Electronics
Amazon.com: Adafruit Audio FX Sound Board - WAV/OGG Trigger with 16MB Flash : Musical Instruments
HiLetgo 2pcs TDA2822M DC 1.8-12V 2.0 Channel Stereo Amplifier Mini AUX Audio Amplifier Board Module AMP for Arduino
Amazon.com: Arduino: Master the Arduino Basics (Audible Audio Edition): Dan Riley, Mike Davis, Dan Riley: Books
Amazon.com: Arduino: Simple and Effective Strategies to Learn Arduino Programming (Audible Audio Edition): Daniel Jones, Pete Beretta, K.M. Publishing: Books
Amazon.com: 5PCS 5V-12V 200 Gain LM386 Audio Amplifier Module for Arduino EK1236 : Electronics