Apply coupon code “SUMMER20” to save an extra 20% off refurb headphones, earbuds, speakers, and home theater equipment. Everything is covered by at least a 1-year Bose warranty; plus these items come with a 90-day risk-free trial. We’ve pictured the Refurb Bose QuietComfort 45 Headphones for $199.20 after coupon ($131 less than new pair).