Prime members only. Ends 10/09. Amazon has a number of Bose headphones and speakers on sale for Big Deal Days. Here's a roundup, from highest to lowest discount: 

• Bose QuietComfort Wireless Noise Cancelling Headphones for $199 (43% off)
• Bose SoundLink Revolve (Series II) Bluetooth Speaker for $195 (41% off)
• Bose TV Speaker Soundbar for $199 (36% off)
• Bose SoundLink Max Portable Speaker for $299 (25% off)
• Bose QuietComfort Ultra Wireless Noise Cancelling Earbuds for $229 (23% off)