Today only, Musician's Friend offers the AKG K422 Foldable Headphones in Black for $99. In-cart, they fall to $19.99. With $3.49 for shipping, that's $79 off and the lowest total price we could find. These foldable headphones feature a 3D-Axis folding design, frequency response of 13Hz to 27kHz, 125dB sensitivity, and more.