1. Specifications Type Efficiency Frequency range Rated impedance THD Cable Connector Net weight without cable Special features 2006 AKG Acoustics Austria http www akg com K 27 i Premium Class Foldable Mini Headphones A perfect marriage of sound and design makes the K 27 1 the ultimate mini headphones for any portable music archive Incredibly light and with its 3D Axis design for folding neatly into the supplied leatherette bag the K 27 1 will be ready for use anywhere anytime A volume control on the cable lets you set the loudness level as you like it in any situation Best for portable MP3 MD CD players and multimedia dynamic closed back 126 dB SPL V 11 Hz to 28 5 kHz 32 ohms lt 1 1 5 m 5 ft Stereo mini plug approx 2 6 oz Folding mechanism Integrated precision volume control 1 1 03 28 2006