This is a placeholder topic for “Audio Amplifier Module with Speaker for Arduino” comments.
An easy way to add audio effects or music to your next project. The compact board measures just 47mmm long and features a 23mm diameter speaker, 2W amplifier, and a trimpot for volume control. Powered from 5V. Read more
Does this have a coupling capacitor? I want to drive drive from an Arduino PWM pin
According to the data sheet this device is driven by a digital output, so no coupling capacitor would be required.
Looks like the amp chip is rated for 2W, but the speaker is only rated for 0.15W. Any other specs you were after?