How to Make Simple But Powerful Audio Amplifier Using One Transistor [DIY]

This simple audio amplifier circuit uses just one MOSFET transistor, it is easy to build but yet it is pretty powerful. It is probably the best what you can make using just one transistor.
How powerful is it? Well, it depends on the light bulb, you can easily get 10W from it.
In theory, you can get even 100W from it, but it will generate a lot of heat so it is not worth it.
What do you think about this device? Have any questions? Tell me in the comments below.