These Able Planet XNC230 EXTREME Noise-Canceling Stereo Headphones drop from$43.17 to $26.99 plus free shipping at World Wide Stereo when you use our exclusive coupon code BRADS230 at checkout. That makes this the lowest price for these headphones we found by $22 and $1 less than our previous mention. These headphones have a wide frequency response of 20Hz to 20,000Hz and active noise cancellation. They also have in-line volume control. They are availabe in red (pictured) or green. Sales tax is charged in most states.