BuyDig offers the Audio-Technica QuietPoint Active Noise-Canceling Over-the-head Headphones, model no. ATH-ANC25, for $39 with free shipping. That's a buck under our May mention and the lowest total price we could find by $21. Features include a frequency response of 20Hz to 20kHz, noise reduction of up to 15dB, 40mm drivers, gold-plated 3.5mm detachable plug, and more. It ships with a carrying pouch, 2-prong airline audio adapter, and AAA battery.