Harman Audio offers the refurbished JBL J55 On-Ear Headphones in Black for $16.99 with free shipping. That's $38 under the best price we could find for a new pair. Features include a detachable cable, gold-plated jack, 10Hz to 24kHz frequency response, and 32-ohm impedance. Deal ends September 17.

Note: A 1-year JBL warranty applies.