MAIN FEATURES- Comfortable, sturdy high powered headphones- Flexable housing design allows double or single ear monitoring; folds up for easy transport- Replaceable earpadsNo need to replace entire headphones when earpads wear and crack. Simply replace the earpad.- Input: Mini plug with screw on 1/4 adapter- Speaker drivers: 57mm- Includes Headphone bag and an extra set of earpads- Driver Unit: 57 mm diameter, Impedance: 64 ohm- Sensitivity: 108dB (erro 3dB) (S.P.L. at 1 KHz)- Frequency Response: 50Hz to 30 KHz- Magnet: NdFeB- Plug: Standard 6,3 jack Stereo / Cord Length: 3 meters