Save Big on Coursera Plus. 7,000+ courses at $160 off. Limited Time Only! Grab it Learn how to upgrade a simple Class A audio amplifier for headphones into a more powerful version capable of driving loudspeakers in this detailed electronics tutorial video. Explore the process of enhancing amplifier power output through two different approaches - using Darlington transistors and MOSFETs. Follow along with practical demonstrations and comparisons as both solutions are built, tested, and evaluated for their effectiveness in audio amplification. Gain insights into the advantages and limitations of each approach, understand the key differences between BJT and MOSFET implementations, and discover which solution provides better audio performance. Master fundamental concepts in audio electronics while learning about component selection, circuit modifications, and real-world performance testing of audio amplifier designs.