Advanced design, modern sound. The AKG K271 MKII Closed-Back Headphones give you phenomenal performance for the stage and studio. With fully-enclosed ear cups, you can take advantage of maximum isolation and minimal signal bleed, preventing your mics from picking up unwanted sound.The K271 MKIIs boast AKGs legendary construction and intelligent design features. As well as giving you accurate, powerful sound from 16Hz to 28kHz, they also feature an intuitive auto-mute switch in the headband. This mutes your headphones as soon as you take them o