Yamaha has announced two new high-performance headphones models in the HPH-PRO series, the Yamaha PRO500 and PRO300 Headphones. Both models from the series comes with fixed cords as well as a dedicated iPhone/iPod remote, integrated microphone and they are available a variety of colors.
The Yamaha HPH-PRO500 features 50 mm drivers with 22? impedance, it has a 105 dB sensitivity, and 22-22,000 Hz frequency response while the Yamaha HPH-PRO300 gets 40 mm drivers with 53? impedance, a 107 dB sensitivity, and 20-20,000 Hz frequency response.
Both models from the Yamaha HPH-PRO series will be available in December on the Japanese market, the HPH-PRO500 will be sold for 50,000¥ (about US$620) and the HPH-PRO300 goes for 30,000¥ (about $375).