NeweggFlash offers the refurbished Sony Extra Bass On-Ear Headphones in Black for $13.99 with free shipping. That's $24 under the lowest price for a new pair. They feature 30mm drivers and 5Hz to 22KHz frequency response. Note: A 30-day warranty is included, but it's unclear who backs it.
These little-known sections of Amazon.com are true hidden gems for deal-seekers and impulse shoppers alike.