Amazon is offering record-low prices on some popular Bose headphones and earbuds.The Bose QuietComfort Ultra headphones, known for their best-in-class active noise cancellation, are on sale for $379, matching an all-time low.The highly rated QuietComfort Ultra earbuds, with impressive noise cancellation, are available for $249, a $50 discount.The standard Bose QuietComfort headphones are $100 off, offering leading noise-blocking and high-quality audio.