1 X 25 Watt 4 Ohm Class AB Audio Amplifier DIY Kit - TDA2050 25W Mono T-Amp | eBay
kehuBaa Innovations 200+200 WATTS DIY STK 4141 STEREO AUDIO AMPLIFIER BOARD GOOD QUALITY JAPAN MADE IC Electronic Components Electronic Hobby Kit Price in India - Buy kehuBaa Innovations 200+200 WATTS DIY STK
ANK Audio Kits – The authority in high end audio kits
100W LM3886 Power Amplifier
The BEST audio amplifier boards and kits tested so far - YouTube
Monty 2.1 Home Theater Kit Amplifier Circuit Board Tda2030 Based for Home Audio Systems, Car Audio Systems, DIY Audio Projects etc. : Amazon.in: Electronics