Sennheiser EW-D 835-S Wireless Handheld Microphone Set – S4-7 (630 – 662MHz)

Brand: Sennheiser
SKU: 508754


Sennheiser’s Evolution Wireless Digital systems are designed to push sonic boundaries by offering a greater dynamic range than any other wireless system available today. With 56MHz of tuning bandwidth, this system is automatically secures the most reliable signal in seconds, and is fully scalable up to 90 channels – it’s no surprise that this wireless system is head and shoulders above the rest!

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Impressively flexible and loaded with professional features, the Sennheiser EW-D Wireless Microphone System is a powerful digital wireless system that offers seamless pairing and management via the EW-D Smart Assist App. With Sennheiser's coveted e 835 microphone capsule, and a lightweight handheld transmitter with an in-built mute switch, you can deliver pristine audio quality in a range of applications from singing, to public speaking, education, and beyond!


  • Digital transmission operating in the UHF spectrum offers greater range, reliability and scalability
  • Smart Assist App connects via Bluetooth Low Energy for effortless setup and remote operation
  • Auto scan finds sturdy connections with minimal time and effort
  • 134dB audio input dynamic range negates the need for sensitivity adjustments and maintains every detail
  • Elimination of intermodulation allows channels to be placed in an equidistant tuning grid 600kHz apart
  • 56MHz of tuning bandwidth and equidistant spacing offers up to 90 channels
  • Fine tune with 2,240 selectable frequencies

Equidistant Spacing - Simpler than it Sounds

Featuring the same equidistant tuning grid previously only found on Sennheiser's flagship Digital 6000 and Digital 9000 wireless systems, Evolution Wireless Digital has been designed with high-quality components for outstanding linearity to eliminate intermodulation between transmitters. This allows frequencies to be evenly spaced every 600kHz beside each other, offering streamlined frequency coordination for both wireless beginners and seasoned pros, and contributing to the system's scalability and astonishingly high channel count.

An Engineer in your Pocket

Get total control right from the palm of your hand thanks to the power of Bluetooth Low Energy and the Sennheiser Smart Assist app. Experience incredibly fast, automated setup with remote access to every system parameter, as well as the advantages of remote monitoring, all from the screen of your Android or iOS device. Cut down setup time, save energy, and perform with total confidence.


  • General
    • Frequency Range: 630 - 662MHz
    • THD: ≤-60dB for 1kHz @ -3dBfs Input Level
    • Operating Temperature: -10°C - +55°C
    • Operating Relative Humidity: 5 - 95% (Non-Condensing)
    • Audio Frequency Response: 20Hz - 20kHz (-3dB) @ 3dBfs
    • System Latency: 1.9ms
  • EW-D EM
    • Current Consumption: ≤300mA
    • Input Voltage Range: 11 - 13V⎓
    • Audio Output Level: 18dBu max.
    • Transmission Power: BLE: max. 10mW EIRP
    • Dimensions: 212mm x 44mm x 189mm
    • Weight: approx. 1000g (Without Antennas and Power Supply)
  • MMD 835 Microphone Module
    • SPL: 154dB
    • Transducer Principle: Dynamic
    • Pick-Up Pattern: Cardioid
    • Sensitivity: 2.1mV/Pa
    • Dimensions: 405mm x 350mm x 73mm
    • Weight: 3.1kg
  • EW-D SKM-S Handheld Transmitter
    • Power Supply: 2x AA Batteries 1.5V (Alkaline Manganese) or BA 70 Rechargeable Battery Pack
    • Current Consumption: <300mA
    • Input Voltage Range: 2.0 - 4.35V
    • Transmission Power
      • Audio Link: 10mW
      • ERP (Range Y1-3): 12mW ERP
      • BLE: max. 10 mW EIRP
    • Dimensions: 50 x 268mm (with MMD 835 Microphone Module)
    • Weight: approx. 304g (with MMD 835 Microphone Module)
  • What's in the Box?
    • EW-D EM Rack Receiver
    • EW-D SKM-S Handheld Transmitter
    • MMD 835 Microphone Module
    • MZQ 1 Microphone Clamp
    • 2x Rod Antennas
    • Power Supply with Country Adapters
    • Rackmount Set
    • 4x Rubber Feet
    • Quick Guide
    • Safety Guide
    • Manufacturer Declaration Sheet

Additional information

Weight 5 kg
Dimensions 35 × 25 × 65 cm

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