Instruct: Classify Amazon reviews into positive or negative sentiment
Query: A lot of sound and fury, not much vacuum

Given the size of the this vacuum, the huge battery, and the truly hellacious *sound*, you'd expect an equally impressive amount of suction -- able to lift bowling balls, or pluck hummingbirds out of the air or, I dunno, actually clean the sand out of my car's nooks and crannies. But no, despite all the noise (which really does require hearing protection), the suction ability on this vacuum is quite disappointing and it gets rapidly worse as the filter collects dust. It's just about adequate for cleaning up kitty litter around the pan, but even a $29.00 cordless vac can do that. Even the shape of the hose is wrong for getting into tight areas.The only positive thing I have to say about this vacuum is that it looks very impressive.