Musician's Friend offers the AKG Closed Back On-Ear Headphones, model no. K 430, for $39.95. With free shipping, that's the lowest total price we could find by $19. (We listed a refurb in a different color for $5 less in September.) Features include a 6.3mm gold-plated jack adapter, frequency response of 12Hz to 28kHz, folding headband, carry case, and more.