Overview The Sennheiser 509741 is a wireless microphone system designed for singers, presenters, and audio professionals who require reliable sound performance from soundcheck to encore. It features the e945 supercardioid dynamic capsule that focuses on vocal clarity while minimizing feedback, even in loud environments. The system offers up to eight hours of battery life and a stable wireless connection with a range of up to 100 meters, making it suitable for a variety of live performance and event settings. Key features The e945 supercardioid dynamic capsule isolates the voice and reduces feedback, ensuring clear and focused sound on stage. 42 MHz tuning bandwidth in the UHF range provides access to 1,680 selectable channels, allowing flexible frequency management. Infrared sync technology enables quick pairing of the transmitter and receiver, supporting up to twelve linked systems operating simultaneously without interference. Aluminum handheld transmitter offers a sturdy yet lightweight feel, with a built-in mute switch for instant silencing during performances or backstage moments. True diversity rackmount receiver housed in a full metal chassis delivers a stable wireless link and durability for touring or daily venue use. Up to eight hours of continuous operation on a fresh set of batteries reduces concerns about power during rehearsals and shows. High signal-to-noise ratio of 110 dBA ensures clean audio output with minimal background noise. Key specs Microphone capsule: e945 supercardioid dynamic Frequency range: 42 MHz UHF bandwidth Selectable channels: 1,680 Wireless range: up to 100 meters line-of-sight Battery life: up to 8 hours Signal-to-noise ratio: 110 dBA Receiver type: true diversity rackmount with metal chassis Transmitter construction: aluminum handheld with mute switch Connectivity and compatibility The system’s rackmount receiver supports standard audio outputs compatible with professional sound equipment, making it easy to integrate into existing audio setups. The infrared sync feature simplifies pairing with the handheld transmitter, and the wide selection of channels helps avoid interference in crowded wireless environments. This system works well in concert venues, corporate events, houses of worship, and rental inventories where dependable wireless audio is essential. Performance and reliability Designed to withstand the rigors of touring and frequent use, the full metal chassis of the receiver and the robust aluminum transmitter provide durability without adding unnecessary weight. The true diversity antenna system ensures a stable and interference-free connection, while the supercardioid capsule keeps the focus on the performer’s voice, even in challenging acoustic conditions. This combination delivers consistent, high-quality sound that professionals rely on for live performances. Ideal uses and environments This wireless microphone system is a strong choice for vocalists, presenters, and audio crews who need clear, feedback-resistant sound in environments ranging from loud concert stages to corporate meeting rooms. Its long battery life and reliable wireless range make it suitable for extended events and performances where mobility and sound quality are critical. The system’s flexibility and ease of use also make it a practical option for rental companies and houses of worship.
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