Monitor Headphones RP-HTF295 Pure and clear sound transmission with comfortable double headband The RP-HTF295’s long 5m OFC (Oxygen Free Copper) cord offers pure and clear sound transmission. The ergonomically designed double headband and soft ear pads make these headphones continuously comfortable to wear. Features: Ergonomically designed double headband Large 40mm driver unit Comfortable earpads 24K gold-plated stereo plug Frequency response 10Hz-27kHz Specifications: Drive Unit (diam. in mm) 40.0 Impedance (Ohm) / 1KHz 40.0 Sensitivity (dB/mW ) 100.0 Max Input (mW) 1000.0 Weight (g) without cord 220.0 MiniPlug (diam. 3.5mm) yes Plug Adaptor (diam. 6.3mm) yes