AKG K240MKII K240MkII Closed Back Studio Headphones Headphone type semi-open * Max. Input Power 200 mW * Audio frequency bandwidth 15 to 25000 Hz * Sensitivity headphones 104 dB SPL/V * Rated Impedance 55 Ohms * Detachable cable yes * Cable Length 3 m * Earpads replaceable yes * Type Stereo plug