AKG : K 240 DF

Type
semi-open, circumaural dynamic headphones
Sensitivity
88 dB SPL/mW
Frequency range
15 to 20,000 Hz
Rated impedance
600 ohms
THD
<0.25%
Max. input power
200 mW
Cable
single cable, approx. 3 m (10 ft.)
Connector
gold plated stereo mini jack
Adapter
stereo gold plated mini to 1/4" adapter jack
Net weight (without cable)
240 g (8.5 oz)
Special features
Diffuse-field equalized, designed strictly to IRT (German Institute of Radio Technology) standards


http://www.akg.com/