Sennheiser 509172 IE 100 PRO Wireless In-Ear Monitor

The Sennheiser IE 100 PRO Wireless in-ear monitors bridge the gap between professional stage monitoring and everyday wireless convenience. At their core is a dynamic full-range transducer engineered for high-resolution sound reproduction, delivering the clarity and detail that musicians, DJs, and audio engineers need to make critical mix decisions. The included Bluetooth connector module transforms the earphones into a wireless headset with a built-in microphone, while the standard 3.5 mm cable provides a direct wired connection when zero-latency monitoring is essential — giving you two distinct use cases from a single pair of IEMs.

Comfort and isolation are central to the design. The optimized earpiece shape sits securely in the ear canal, and the included silicone and foam adapters let you dial in a seal that blocks external noise passively — reducing acoustic stress during long sessions without relying on electronic noise cancellation. With up to 10 hours of battery life and a quick 1.5-hour recharge, the wireless module is ready for full-day use. The package also includes a cleaning tool, USB-A to USB-C charging cable, and a soft carrying pouch, making the IE 100 PRO Wireless a complete, travel-ready monitoring solution straight out of the box.