Digital wireless all-in-one clip-on microphone set with proven Sennheiser clip-on microphone ME 3 (electret, cardioid) Digital wireless all-in-one clip-on microphone set for singers and speakers Features Digital transmission in the UHF band: no noise, no interference and no clicks - for uninterrupted, crystal-clear sound with optimal scalability Mobile access to all system settings simplifies setup and operation without cumbersome navigation Automatic setup for effortless, reliable connection in no time at all Up to 2240 selectable frequencies for operation of up to 24 wireless systems per frequency range Optional lithium-ion battery provides up to 12 hours of operation (up to 8 hours of operation using standard AA batteries) 56 MHz switching bandwidth for up to 90 available channels Captures every detail with 134 dB dynamic range - even in the most powerful performances Evolution Wireless Digital, the new standard With the new EW-D system, Sennheiser opens up new possibilities where other systems have so far reached their limits. Where else can you get a connection in seconds and up to 90 fully scalable channels? And, of course, all this happens with virtually no latency! The Evolution Wireless Digital System The Sennheiser EW-D ME3 SET S1-7 (606.2-662 MHz) consists of a stationary EW-D EM Rack Receiver, an EW-DSK digital bodypack transmitter and the ME 3 headset microphone and is particularly suitable for singers and speakers. The headset microphone offers very high speech intelligibility. Its cardioid polar pattern also provides excellent feedback immunity by preferentially picking up sound from the front and blocking out noise from behind and feedback. Overall, the headset is comfortable and easy to wear. Sennheiser's system makes use of the equidistant frequency grid, this has only been used in Sennheiser's high-end Digital 6000 and Digital 9000 systems until now. This makes complex frequency coordination a thing of the past. This means that even laymen in radio technology can operate and set up the new system really quickly and easily. All settings are made via the display and the function keys. Sound engineer in pocket format Thanks to Bluetooth Low Energy, you have full control over the entire system - with the Sennheiser Smart Assist app. Take advantage of remote control and mobile access to every single system setting conveniently via your Android or iOS device. If you don't want to spend a long time searching for free frequencies, you can activate the automatic setup and all parameters are automatically adjusted in the system. This works simultaneously with multiple radio links. So you save time and effort and can concentrate on your performance. Battery or rechargeable battery - that is the question! The new Sennheiser EW-D system can be operated with conventional AA batteries with a runtime of up to 6 hours. Optionally, there is the Sennheiser BA 70 rechargeable battery, which is much more ecological than batteries that are thrown...