The clear Sennheiser IE 500 PRO dynamic, in-ear headphones for wireless monitoring systems offer musicians, DJs, and sound engineers a rich listening experience with clear, studio-like accuracy, when performing in loud stage environments. With a secure, comfortable fit rivaling custom-molded models for isolation, the IE 500 PRO shields the user from crushing stage volumes and poor room acoustics to deliver punchy sound with an ultra-wide frequency response and enhanced presence in the midrange.