KOSS 184408 QZPRO Active Noise Reduction Over-Ear Headphones

• 40 Hz to 20 kHz frequency response offers full range of deep bass and treble clarity;• Soft vinyl closed ear cushions create tight seal around ears and reduce ambient noise;• Active noise reduction technology eliminates unwanted low-frequency noise;• Fully collapsible design makes headphones ideal for travel;• Extra-soft, padded headband delivers lightweight comfort for extended listening sessions;• Up to 30 hours of continuous play;• Includes 1/4 in. 4 ft. single-entry straight cord and 2-prong airline adapter;• Covered under the KOSS(R) Stereophones Limited Lifetime Warranty;