World Wide Stereo continues to offer the Klipsch Reference S4 Premium In-Ear Noise-Isolating Headphones, model no. 1013730, for $79. Coupon code "BENSREF" cuts it to $49. With free shipping, that's tied with our mention from two weeks ago and is the lowest total price we could find today by $30. Features include four different-sized ear tips, storage case, clothing clip, 10Hz to 19kHz frequency response, and more. Deal ends July 31.