EW-D 835-S SET Handheld Set (Y1-3) Versatile and feature-rich digital wireless system for those who sing, speak or play instruments that allows for seamless product pairing and management via the EW-D Smart Assist App. Receive state-of-the-art live sound featuring Sennheiser‘s renowned e 835 capsule on a lightweight handheld transmitter with integrated mute switch. Key Features Digital wireless eliminates noise, interference and static bursts UHF transmission greatly enhances range, reliability and scalability Mobile App streamlines setup and operation and eliminates complicated menu Automated setup creates reliable connections with minimal time and effort Up to 2,240 selectable frequencies support up to 24 wireless systems per frequency range Lithium Ion battery pack delivers up to 12 hours of operation (up to 8 hours of operation with AA batteries) 56 MHz Bandwidth will allow for up to 90 channels Preserves every detail of even the most dynamic performances with 134 dB transmitter