Meritline offers the Logitech Ultimate Ears 350 Noise-Isolating Earphones in Dark Silver, model no. 985-000294, for $15.99. Coupon code "MLCKX22SNL1" cuts them to $10.99. With free shipping, that's tied with last month's mention as the lowest total price we've seen for these earphones. (It's also a current price low by $7.) They feature noise reduction of 22db, a frequency response of 20Hz–20kHz, and five sizes of ear cushions.