The HPH-PRO500 delivers a sound so extraordinary so real, so clear, so enveloping it makes your pulse run faster and sends shivers down your spine. It transports you to another time and place. PRO Series headphones go beyond just powerful bass to authentically reproduce any style of music. From Classic Rock to Hip-Hop, from Latin Jazz to Delta Blues, the PRO Series brings all your music to life. Ultra-premium drivers, mobile-optimized for maximum efficiency and performance. Rigid high-grade aluminium alloy earcups. Yamaha tuned for the ultimate listening experience.