Sennheiser EW-D SK Digital Bodypack Transmitter

The EW-D SK from Sennheiser is a bodypack transmitter that can be paired with the EW-D EM receiver. It is compatible with various lavalier and headset microphones (sold separately), connected via its 1/8” audio input socket (EW connector).

This bodypack 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-SK bodypack also comes with a carry pouch to protect it from dust and debris when it's not in use.

Sennheiser EW-D SK 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 SK bodypack transmitter1
• Carry pouch1

• Frequency ranges
  • Q1-6 operating range 470-526 MHz
  • R1-6 operating range 520-576 MHz
  • R4-9 operating range 552-608 MHz
• Compatible microphones
  • Lavaliers
  • MKE Essential Omni
  • MKE 2 Gold
  • MKE 1
  • ME 2 (recommended models from 2021 and later with gold-plated plug)
  • ME 4 (recommended models from 2021 and later with gold-plated plug)
  • Headsets
  • ME 3
  • HSP Essential Omni
  • HSP 2
  • HS 2
  • SL Headmic 1
• THD≤ -60 dB for 1 kHz @ -3 dBfs input level
• Input voltage range2.0 - 4.35V
• Current consumption< 300 mA
• Power supply2AA batteries 1.5V (alkaline manganese) or BA 70 rechargeable battery pack
• Audio frequency response20Hz-20kHz (-3dB) @3dBfs
• Transmission power
  • Audio link10 mW
  • ERP (Range Y1-3)12 mW ERP
  • BLEmax 10 mW EIRP
• Operating temperature14°F to 131°F (-10°C to 55°C)
• Operating relative humidity5-95% (non-condensing)
• Dimensions2.4x3.1x0.79" (without antenna)
• Weight4.23 oz (120g)

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.