This fully-enclosed headband type model incorporates large 40mm speaker units to deliver high-quality sound with emphasis on mid and low frequency ranges to minimise listener fatigue when watching TV for extended periods of time. Large earpads provide excellent sound insulation with loud and clear sound With a body weight of just 155g, which is particularly lightweight for fully-enclosed headband type headphones, and soft head cushions, these headphones ensure hours of comfortable listening Impedance 32 ohm