World Wide Stereo offers the 11.9-gram Klipsch Reference S4 Premium In-Ear Noise-Isolating Headphones, model no. 1013730, for $89.94. Coupon code "X34R92J" cuts it to $59.99. With free shipping, that's the lowest total price we could find by $19. Features include four different-sized ear tips, storage case, clothing clip, 10Hz to 19kHz frequency response, and more.