Mosfet technology?

[Anon_F]

Looking at a new car radio & one of the ones has 'Mosfet technology'
What is it & what does it do?

 

[V_R]

http://www.electronicstalk.com/guides/mosfet-technology.html

 

[Anon_F]

http://www.electronicstalk.com/guides/mosfet-technology.html

Cheers for that.
I think from that article it's something to do with sound, wonder if FBS would know?

 

[JIM451]

Metal Oxide Silicone Feild Effect Transistor.bin Around For Over 40 Years.most Amplifiers Up Until Lately Use Bipolar Transistors.they Were Talking About The Audio Output Stage.breakthroughs In Mosfet Technology Makes It Cheaper And More Reliable Than Standard Bipolar Technology.