Pete it's surprisingly moderate in sound. Nothing like a chainsaw or leaf blower, which neighbors all have, though the nearest one is about 1000 feet away. The engine is a Subaru Robin 4 cycle. Might even be quieter than a lawnmower. I run it at 2750 RPM for long life, too. I have a tach on it.
The band itself isn't very noisy, though the guide bearings can be if they're getting old. I should replace them now, since one at least is starting to protest. They are just stock cheap ball bearings. Two on a bolt fit the side of the blade and one a little larger in OD contacts the back of the blade as a stop.
There are bears here but they're black bears, not grizzlies, which live out west. Black bears are smaller. If you call 200 pounds small. Still, when I'm alone in the woods logging, I like to make lots of noise. Grizzlies attack for territorial reasons, black bears because they want to eat you. Thus, pointless to "play dead" in the east! Well bear attacks are extremely rare here, but I'm cautious. Hate to be the exception that proves the rule.
One rounded the corner of the house in broad daylight a few years ago, luckily I had just come inside to plug in an extension cord, or we would have probably met each other face to face. You aren't supposed to yell or run, or look them in the eye, but back slowly away, looking noncahlant in some other direction, I suppose. Yeah right!!!! I'd a probaby yelled and took off for the front door!