FEATURES Ste re o H e a d p h o n e s HP10 Stereo Headphones > Perfect for quiet music practice > Closed design with 40mm full-range drivers > Frequency response: 20 Hz – 20 kHz > Comfortable, adjustable headband > 32 ohm impedance > 1/8-inch to 1/4-inch adapter included samsontech.com ©2011 Samson. Preliminary Literature. All product descriptions and specs subject to change.