Sennheiser EW-D SKM-S Digital Handheld Transmitter

The EW-D SKM-S from Sennheiser is a digital handheld transmitter with an integrated mute switch. It can be used with a variety of Sennheiser and Neumann microphone modules (sold separately).

This transmitter is available in different frequency ranges:

• Q1-6 (470 to 526 MHz)
• R1-6 (520 to 576 MHz)
• R4-9 (552 to 607 MHz)

The EW-D SKM-S handheld transmitter also comes with an MZQ1 microphone clamp for secure and precision positioning on a microphone stand (stand sold separately).

Sennheiser EW-D SKM-S Features

• Digital transmission operating in the UHF spectrum greatly enhances range, reliability and scalability
• Smart Assist App connects via Bluetooth Low Energy for a streamlined setup and operation at a distance
• Auto scan creates reliable connections with minimal time and effort
• 134 dB audio input dynamic range eliminates need for sensitivity adjustments and preserves every detail
• Elimination of intermodulation enables channels to be placed in an equidistant tuning grid 600 kHz apart
• 56 MHz of tuning bandwidth and equidistant spacing enables up to 90 channels
• 2,240 selectable frequencies allow for fine tuning

• EW-D SKM-S handheld transmitter1
• MZQ1 microphone clamp1

• Frequency Ranges
  • Q1-6: 470-526 MHz
  • R1-6: 520-576 MHz
  • R4-9: 552-608 MHz
• Compatible microphone capsules
  • MMD 835-1: dynamic microphone, cardioid pattern
  • MMD 845-1: dynamic microphone, super-cardioid pattern
  • MME 865-1: condenser microphone, super-cardioid pattern
  • MMD 935-1: dynamic microphone, cardioid pattern
  • MMD 945-1: dynamic microphone, super-cardioid pattern
  • MMK 965-1: condenser microphone, selectable pattern
  • MMD 42-1: dynamic microphone, omni-directional pattern
  • MM 435: dynamic microphone, cardioid pattern
  • MM 445: dynamic microphone, super-cardioid pattern
  • ME 9002: condenser microphone, omni-directional pattern
  • ME 9004: condenser microphone, cardioid pattern
  • ME 9005: condenser microphone, super-cardioid pattern
  • Neumann KK 204: condenser microphone, cardioid pattern
  • Neumann KK 205: condenser microphone, super-cardioid pattern
• Transmission Power
  • Audio link: 10 mW
  • ERP: 12 mW ERP (Range Y1-3)
  • BLE: max 10 mW EIRP
• Power Supply2AA batteries 1.5V (alkaline manganese) or BA 70 rechargeable battery pack
• Audio Frequency Response20 Hz - 20 kHz (-3 dB) @ 3 dBfs
• Current Consumption< 300 mA
• THD≤ -60 dB for 1 kHz @ -3 dBfs input level
• Input Voltage Range2.0 - 4.35 V
• Operating Relative Humidity5-95% (non-condensing)
• Operating Temperature14°F to 131°F (-10°C to 55°C)
• Dimensions1.57x7.87"
• Weight6.87 oz (195 g)

More about Sennheiser's EW-D Series

Sennheiser’s Evolution Wireless Digital (EW-D) microphone systems are in a class of their own. Characterized by enhanced dynamic range increased bandwidth, an efficient setup process, a trustworthy UHF connection, scalable flexibility, and 24-bit digital audio for the best possible sound quality, EW-D offers wireless sound that’s ideal for beginners and pros alike.

Boasting an equidistant tuning grid and exceptional linearity, EW-D’s expertly engineered components eliminate intermodulation, resulting in frequencies that are equally spaced 600 kHz apart from each other. This streamlines frequency coordination and enables you to scale your sound system to a higher channel count as your audio needs grow or change. No matter how expansive your sound system is, signal syncing is reliable and simple, with EW-D’s Auto Scan function securing the best signal in a matter of seconds.

Another premium feature of EW-D is its companion, the Sennheiser Smart Assist app, which remotely connects to your wireless system and lets you coordinate frequencies effortlessly. Use this application to enable Bluetooth Low Energy, a functionality that gives you direct control and monitoring ability from the comfort of your Android or iOS device.