Monoprice offers its Monoprice Enhanced Bass Hi-Fi Noise-Isolating Earphones in Silver, model no. 8320, Black, model no. 9927, or White, model no. 9963, for $4.99. Coupon code "HOT" cuts it to $4.49. With free shipping, that's a buck under our mention from a month ago and the lowest total price we've seen. (It's a current price low by $6.) They feature a 20Hz to 20kHz frequency response, 14.2mm drivers, 48" cord, and gold-plated 3.5mm plug.