Yamaha HPH100 Wired Closed-Back Headphones (Black)Yamaha HPH 100 headphones offer powerful sound with carefully balanced treble and bass frequencies. The 40mm drivers are encased in a closed back cup, ensuring rich tonal color that won't fatigue your ears after prolonged use. The swivel mechanisms that match the angle of your ears and the velour ear pads offer a stress free listening experience. And the HPH 100 headphones' single cable configuration can be used with its 1 8" plug, or the included 1