DIY 250W/4ohm amplifier based on "blameless" topology, and measurements | Audio Science Review (ASR) Forum
Amazon.com: UWAYKEY Mini Bluetooth Amplifier Board Class D AMP Module for DIY Wireless Speaker : Electronics
Amazon.com: CYOEST DIY Bluetooth Speaker Box Kit Electronic Sound Amplifier - Build Your Own Portable Wood Case Bluetooth Speaker Sound - Science Experiment and STEM Learning for Kids, Teens and Adults : Electronics
DIY Class-A 2SK1058 MOSFET Amplifier Project
How to Make Simple But Powerful Audio Amplifier Using One Transistor [DIY] - YouTube
100 Watt Audio Amplifier Circuit
Amazon.com: Diy Audio Amplifier Kit, Digital HIFI Power Module Amp Board 2-Channel Stereo PCB for Speaker Sound System for Electronics Industry : Electronics
How to Build a Class-D Power Amp - Projects
A60 Power Amplifier Aluminum Amplifier Case DIY Amp Box Enclosure with VU Meter | eBay
A Web-Enabled, High Quality, DIY Audio Amp - IEEE Spectrum
DIY 2.1 Class AB Hi-Fi Audio Amplifier - Under $5 : 10 Steps (with Pictures) - Instructables
Make Your First Serious Amplifier : 10 Steps (with Pictures) - Instructables
Build Your Own Professional-Grade Audio Amp on the Sort of Cheap - IEEE Spectrum