Has anyone used these?
Roland claim a 75% reduction in noise.
Roland NE-1
http://www.roland.co.uk/products/productdetails.aspx?p=1293
Roland NE-10
http://www.roland.com/products/en/NE-10/
The promo video is quite funny
(in which a sleeping bear doesn't wake up):
http://www.roland.com/video/page.cfm?id=713978137002
Roland claim a 75% reduction in noise.
Roland NE-1
http://www.roland.co.uk/products/productdetails.aspx?p=1293
Roland NE-10
http://www.roland.com/products/en/NE-10/
The promo video is quite funny
(in which a sleeping bear doesn't wake up):
http://www.roland.com/video/page.cfm?id=713978137002