Adorama offers the Sennheiser HD 650 Over-Ear Headphones in Titanium/Silver for $274 with free shipping via the steps below. That's $8 below last week's mention and the lowest total price we've seen. (It's a current low by $26.) These open-back circumaural headphones feature a 10Hz to 39.5kHz frequency response, 300-ohm impedance, detachable cable, and aluminum voice coils. Rebate expires April 28. To get this deal:

1. View the Sennheiser HD 650 Over-Ear Headphones for $499.95
2. coupon code "SD04265015" cuts the price to $299
3. redeem this $25 mail-in rebate for a final price of $274