Build a Simple Stereo Audio Amplifier Board using TDA2822
Pete Millett's DIY Audio pages
100 Watt Audio Amplifier Circuit
Digital HiFi Amplifier 60W + 60W & TPA3116D2 Chip Digital Amplifier Home Car DIY Stereo Amplifier for Home Office Speaker Subwoofer : Amazon.de: Electronics & Photo
TDA 7377 40w Auto DIY Stereo Audio Verstärker Power Board Mit Silber Beschichtung Taste Einstellbar Dual Kanal|Demo-Board Zubehör| - AliExpress
getAudio | The Best Audio DIY Kits » getAudio
Build Your Own Amplifier
Build a Great Sounding Audio Amplifier (with Bass Boost) from the LM386
Electronic works 400 W 1943 MOSFET Based DIY Stereo Audio Amplifier Circuit Board (Better Than 4440 3055 and 4141 STK) : Amazon.in: Electronics