The Sony PIIQ range of headphones and earphones is already available to the US market and is now being released in Japan. The PIIQ range consists of 5 different headphones and earphones. The price ranges between $14 and $99. At the lower end we have the two earphone models. Exhale which puts it’s emphasis on bass with a 13.5mm driver and 12-22,000 HZ frequency response. The MRD-PQ5 headphones...