








Sennheiser EW-D 835-S SET Digital Wireless Handheld Microphone System with MMD 835 Capsule | Q1-6: 470 to 526 MHz
The Sennheiser EW-D 835-S SET, which includes a handheld microphone and the MMD 835 mic capsule, offers exceptional 24-bit digital audio quality along with a remarkable dynamic range of 134 dB. It features an equidistant tuning grid and an automated Bluetooth setup application for mobile devices, making it a highly accessible professional rackmount wireless microphone system. While the system is designed for straightforward installation and user-friendly operation, its advanced features are tailored to meet the requirements of both novice and seasoned users. This includes presenters and educators in business and academic environments, clergy in places of worship, and live performers in theatrical or musical venues.
The ultrawide dynamic range of the EW-D eliminates the necessity for input-sensitivity adjustments on the transmitter. Drawing from the advanced technology of the company's Digital 6000/9000 wireless systems, the equidistant tuning grid simplifies frequency coordination, allowing for the simultaneous operation of up to 90 microphone channels. The UHF transmission significantly extends the operational range to 330 feet, while the expansive 56 MHz bandwidth facilitates the selection of a clear channel from a pool of 2240 available frequencies.
Intelligent Switching Diversity provides robust protection against RF interference, and the remarkably low latency of 1.9 milliseconds ensures that there is no perceptible delay during live performances. Furthermore, Bluetooth connectivity allows for effortless pairing and remote control via the Smart Assist App on your mobile device. These features enable the EW-D to automatically manage microphone levels and secure the most reliable signal within seconds, alleviating the common challenges associated with wireless systems.
The EW-D 835-S SET includes a single-channel EW-D EM receiver, an interchangeable MMD 835 dynamic cardioid microphone capsule designed for optimal vocal clarity, and a durable, lightweight EW-D SKM-S handheld transmitter with a switch, featuring a metal casing that is ideal for regular stage use.
The transmitter connects to the receiver using Bluetooth Low Energy, allowing for a pairing distance of up to 120 feet. This feature enables the microphone to be paired directly from the stage without the need to bring it close to the receiver. The transmitter operates for up to 8 hours on two AA batteries or for 12 hours when using the BA 70 lithium-ion rechargeable battery pack, which is sold separately. To charge the BA 70 batteries, the L70 USB dual-charging station is required and is also available separately.
The half-rack EW-D EM receiver, equipped with removable antennas, is constructed from a durable all-metal chassis designed to endure the demands of professional environments. It can be placed on a tabletop or mounted in a rack, making it suitable for both portable setups and permanent audio/visual installations.
This receiver is equipped with a high-contrast black-and-white OLED display that features an intuitive menu system, complete with a dedicated Escape button for efficient navigation, even in dim lighting. The auto-scan function automatically identifies the clearest available frequency. Additionally, users have the option to configure, control, and operate their system via Bluetooth through the Smart Assist App, which can be installed on iOS or Android devices, within a range of 120 feet.
Note: The EW-D digital system is NOT backward-compatible with previous evolution analog systems.
Legendary Sennheiser Sound with Ultrawide 134 dB Dynamic Range
- The transmitter boasts an impressive dynamic range of 134 dB, eliminating concerns about signal overload. The EW-D is capable of accommodating a diverse array of sound sources, including powerful vocalists and performers, without necessitating any gain adjustments at the transmitter.
- This extensive dynamic range ensures exceptional signal-to-noise performance and precise transient response, effectively highlighting the intricate details of your sound.
- Featuring 24-bit digital audio and a flat frequency response from 20 Hz to 20 kHz, the EW-D provides clear and accurate audio reproduction. Additionally, the system's remarkably low latency of 1.9 ms is virtually imperceptible, allowing vocalists to maintain their rhythm during live performances.
Lightweight Handheld Transmitter with Mute Switch and MMD 835 Cardioid Capsule
The MMD 835 dynamic capsule is designed with a cardioid polar pattern, effectively reducing background noise and feedback. Its durable all-metal transmitter features a mute button that can be disabled and controlled remotely from the receiver or a mobile device during performances. The transmitter establishes a Bluetooth connection with the receiver at distances of up to 120 feet with a simple button press. Additionally, the interchangeable capsule design of the transmitter allows for the use of various optional dynamic and condenser microphone capsules, offering pickup patterns that range from wide omnidirectional to narrow supercardioid. Notable capsules include the MMD 845, MME 865, MMD 935, MMD 945, MMD 42, MM 435, ME 9004, MD 5235, ME 5004, and Neumann KK204, among others.
Easy-to-Use Receiver with Fast and Intuitive Interface
The EW-D EM receiver features user-friendly front-panel controls and a high-contrast OLED display that provides meters for RF levels, battery status of the connected transmitter, and audio output, facilitating effortless setup. Its auto-scan function automatically identifies the clearest available frequency. The rear panel includes a balanced XLR output and an unbalanced 1/4" output, allowing for direct connection to any PA system or mixing console. Additionally, the two detachable 1/4-wave dipole antennas located at the back of the unit can be upgraded to enhance RF performance. The device is supplied with a rackmount installation kit and a universal power supply that includes adapters for EU, US, and UK regions.
Equidistant Tuning Grid—Solid Wireless Reliability with More Channels
- The EW-D is equipped with an equidistant tuning grid that distributes 2240 frequencies evenly across a broad 56 MHz bandwidth, effectively mitigating intermodulation issues that can arise when multiple transmitters function in close proximity. This equidistant grid allows for the maximization of channel capacity, enabling the simultaneous operation of up to 90 microphone channels without the need for intricate frequency coordination or channel grouping, thereby simplifying the setup process even in densely populated RF environments.
- Additionally, the EW-D incorporates Intelligent Switching Diversity technology, which provides robust protection against multipath interference and other RF noise anomalies. The system evaluates incoming signals through two separate antennas and receiver circuits to guarantee optimal wireless performance. The receiver transitions between antennas solely during header data transmission, ensuring that audio quality remains unaffected.
- Operating within the UHF band, the EW-D is positioned well away from potential interference from Wi-Fi signals in the 2.4 GHz range.
Control from Your Phone with Smart Assist App—No Wireless Expertise Required
- The Smart Assist App, which can be downloaded for free, allows users to harness the capabilities of Bluetooth Low Energy connectivity on their Android or iOS devices. This application places comprehensive control of the EW-D system directly at your fingertips. By connecting your mobile device via Bluetooth, you can efficiently manage and monitor your system without requiring any specialized wireless knowledge.
- Experience a remarkably swift automated setup process for both receivers and transmitters, along with features such as automatic and manual frequency allocation, muting options, battery status monitoring, and channel naming—all accessible with a single tap.
- In addition to immediate access to all system settings, the app includes a support hub featuring video tutorials and comprehensive manuals to assist you in getting started.
- For users managing multiple systems, the app centralizes control by providing access to all system settings, thereby simplifying the process and eliminating the need for complex menu navigation on individual devices. The wireless channel naming feature further aids in maintaining organization across systems.
- A single mobile device can manage up to 16 microphone channels remotely, while additional channels can be controlled through extra phones or tablets, with a limit of 16 channels per device. Should your phone be unavailable, the system can still be fully operated using the buttons located on the receiver.
Maximize the Wireless Reliability of Your System
- The rear-mounted, 1/4-wave detachable antennas can be upgraded to longer, 1/2-wave dipole antennas (sold separately) to enhance range and reliability. It is important to note that antennas may not function optimally when positioned rear-mounted within a metal equipment rack. By utilizing the AM 2 antenna front-mount kit (available separately), users can install the two antennas at the front of the rack, ensuring a clear line-of-sight between the receiving and transmitting antennas, which significantly improves connection reliability. This option is applicable only when installing a single EW-D EM receiver per 1 RU rack space.
- Incorporating the ADP UHF passive/directional remote antennas (available separately) into your system allows for closer positioning to the transmitter and optimal orientation for maximum coverage, thereby achieving professional-grade RF signal reliability with minimal dropouts.
- For larger systems with multiple receivers, the EW-D ASA active antenna splitter (available separately) facilitates the splitting of signals from the two antennas connected to its rear panel, distributing the RF signals to as many as four receivers within a rack. Additionally, this unit supplies DC power to the four receivers, reducing clutter in the rack.
System |
|
---|---|
Diversity | Intelligent Switching Diversity |
RF Frequency Band | 470 to 526 MHz |
Number of RF Channel Frequencies | 2240 |
RF Channel Scanning | Auto-Scan |
Max Operating Range | 328.1' / 100 m (Line of Sight) |
Max Transmitters per Band | 90 |
Dynamic Range | 134 dB |
Latency | 1.9 ms |
Encryption | No |
Mobile App Compatible | Yes: Android & iOS App Name: Smart Assist Functionality: Remote Control |
Receiver |
|
---|---|
Number of Audio Channels | 1 |
Network I/O | No |
Word Clock I/O | No |
Gain Range | -3 to +42 dB (3 dB Steps) |
Frequency Response | 20 Hz to 20 kHz |
Power Requirements | AC/DC Power Adapter |
Transmitter |
|
---|---|
Included Transmitters | 1x Handheld |
RF Output Power | 10 mW (ERP) Up to 10 mW (EIRP) |
Muting | Mute Switch |
Auto-Level/Gain | No |
Microphone |
|
---|---|
Color | Black |
Transmitter Battery Life | 8 Hours (Alkaline) 12 Hours (Sennheiser Battery Pack) |
AC/DC Power Adapter | 11 to 13 VDC at 300 mA (Included) |
Rackmount Size | 1 RU (1/2 Rack) |








