The secret to a great amplifier...

@simao I wondered the same thing for a while, thinking it mostly a silly idea, but it turns our that everything in the electrical pathways of our components can have an effect on sound quality. Fuses are probably the cheapest off the shelf part of that pathway in most cases and appear to function as an electrical bottleneck. Better fuse, better electrical signal, better sound. I'm a believer now. 

I put 2  orange fuses in my  integrated last  month and it  made a huge difference.This fuse lowers the  noise  floor....meaning you can turn the volume down lower and all the  information is still there.

@chetatkins I would definitely concur! 

Simao if you are only willing to accept wrong answers I am sure you will get lots.

That fuse isn't even close to the most limiting part of the power pathway.

Contentious topic... 
@audiodesign please enlighten us.