Monoprice offers its Monoprice Enhanced Active Noise-Cancelling Earphones, model no. 10799, for $79.83. Coupon code "DEALNEWS201" cuts it to $55.88. With around $4 for shipping, that's $20 under our March mention, $113 off, and the lowest total price we've seen. They're able to eliminate 22db of external noise and feature a frequency response of 20Hz to 20kHz, dual adapter plug, carrying case, and inline control. Deal ends May 20.