Today only, until 1 pm ET (or 100% claimed), Amazon offers the Sennheiser CX 880 Ear Canal Headphones for $49.99 with free shipping. (Select "View Gold Box Offer" to see this price.) That's $40 off and the lowest total price we could find for this model. These earbuds feature ear-clips, 17Hz to 23kHz frequency responce, 32-ohms impedance, ear debris guard, and more.