Yugster offers the refurbished JVC Xtreme-Xplosives Ultimate Bass Headphones in Black, model no. HA-M55X, for $19.97. Coupon code "FreeYugBuck" cuts it to $18.97. With free shipping, that's $15 less than you'd pay for a new pair of any color. They feature extreme deep bass ports, 50mm neodymium drivers, a frequency response of 8Hz to 23kHz, rubber protectors, and gold-plated 3.5mm jack.
A 30-day Yugster warranty applies. Note: The countdown timer on the product page does not reflect an actual expiration time and resets daily.