TECH AND TRADE 350 W DIY 2n3055 Audio Amplifier CAR Stereo Board BASS Treble Control Transistor Assembly and Bluetooth Module 4440 : Amazon.in: Electronics
Simple 2 Transistor Audio Amplifier
circuit analysis - Transistor audio amplifier with dual voltage supply - Electrical Engineering Stack Exchange
how to make amplifier with 13003 transistor - AndProf