The normal fuse supplied with your system can't possibly sound any good, but that's easily fixed. Yes, you can buy true 'audiophool' fuses to prevent the inevitable congestion as the current has to flow through that tiny little wire. A bargain at only $60 each (give or take). Mind you, you'd expect to pay that for a "hi-fi tuning fuse", because it's so much more than just a fuse. It's also a ... ahhh ... hmmm ... no, my mistake, it's just a fuse.