Sennheiser IE 100 Pro In-Ear Monitors allow musicians to monitor their live performance with precision - no matter how lively the crowd gets. Hear every detail across a wide frequency range. From deep lows to bright highs, two 10mm dynamic broadcast transducers deliver a flawless mix, giving you a rich listening experience on stage. No unwanted background noise. Just clear, consistent sound for performers who need it most. Whether you've got the volume turned low or cranked to the max, IE 100 Pros won't distort or lose quality. The dynamic driver system reduces acoustic stress factors, so no matter what genre of music you play, you'll always get the best mix possible. Exceptional sound needs exceptional comfort to match. That's why IE 100 Pros have been built with a lightweight, slim earpiece design. Listen for hours without stress or strain. A range of included foam and silicone eartips allow for optimal fit, whilst the over-the-ear cable keeps everything secure.