I wear earplugs, then put headphones over those, then play brown noise via (ugly but reliable) http://simplynoise.com http://simplynoise.com. The combination of

I wear earplugs, then put headphones over those, then play brown noise via (ugly but reliable) http://simplynoise.com http://simplynoise.com. The combination of earplugs and sound works surprisingly better than either does alone. But I've not tried the Boses.