Now even more simple, flexible and reliable: The 100 series has become the first choice for both sound designers and occasional users because of its simple operating concept – and because the system makes no compromises in terms of live sound. Features: Engineered for professional live sound: Rugged all-in-one wireless system for singers and presenters. State-of-the-art live sound featuring Sennheiser‘s renowned e 835, e 845, e 865, e 935, e 945 capsules on a lightweight aluminum transmitter with integrated mute switch. True diversity half-rack receiver in a full-metal housing with intuitive LCD display for full control. Easy and flexible wireless synchronization between transmitter and receiver via infrared. Fast frequency allocation for up to 12 receivers via new linking functionality. Up to 20 compatible channels. Up to 42 MHz bandwidth with 1680 selectable frequencies, fully tunable in a stable UHF range. Transmission Range: up to 100 meters / 300 feet. High RF output power (up to 30 mW) depending on country regulations