MERUS HAT class D audio amplifier for Raspberry Pi Zero W Feb 27, 2020 12:49:56 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Chris on Feb 27, 2020 12:49:56 GMT -5 I have my eye on this very interesting new Class D add-on for Raspberry Pi. This is a 40 watt amp that is the size of a stick of gum. Add a $10 Raspberry Pi Zero and you have a complete playback system ready to power speakers.MERUS™ audio amplifier HAT ZW class D audio amplifier for Raspberry Pi Zero W