The pair of headphones has a 10Hz to 20kHz frequency response. The noise leakage is ... Costing about $600 and targeted towards audiophiles, the Sony MDR-Z7M2 are a pair of premium Hi-Res headphones.

The headphones, called the MDR-Z7M2, are a sequel to Sony’s previous premium cans, the Sony MDR-Z7. These premium cans have a claimed frequency response between 4 Hz - 100,000 Hz (you know ...

At the opposite end of Sony’s headphone spectrum you'll find the new MDR ... ‘Beat Response Control’, a special acoustic port on the housing that controls airflow behind the driver and optimises ...