Build Your Own Professional-Grade Audio Amp on the Sort of Cheap - IEEE Spectrum
Amazon.com: Subwoofer Amplifier Board, Arylic WiFi & Bluetooth 5.0,50W2 Stereo Pair + 100W Sub Class D Stereo Amplifier,Multiroom/multizone Home Audio Amplifier Board for DIY Speaker-Up2stream Amp 2.1 : Electronics
ICEPower 125ASX2 Class D Amplifier Review | Audio Science Review (ASR) Forum
Hypex Nilai500DIY Amplifier Review | Audio Science Review (ASR) Forum
500w Amplifier | DIY Class D Audio Amplifier Circuit and PCB Layout - YouTube
Archimago's Musings: An Inexpensive Hi-Fi Class-D Stereo Amp for the 2020's: Hypex nCore NC252MP (DIY Assembly)
How to Build a High Efficiency Class-D Audio Amplifier Circuit using MOSFETs
Starkrimson Amplifier Module - Class D Amplifier Module