• EW-DX_SK_Product_Shot_Cutout_Front_red
Article No. 509398

EW-DX SK 3-PIN (Q1-9)


Digital wireless bodypack transmitter with 3-pin locking connector compatible with Evolution Wireless Digital systems. Rugged metal housing, up to 12 hours of runtime, persistent E-Ink display and charging contacts for in-device charging. Compatible with a wide range of Sennheiser lavalier and headset microphones.

Sennheiser EW-DX simplifies your professional workflow by utilizing refined technologies to deliver a digital UHF system that can be scaled with ease. With its advanced feature set and hardware options, classrooms, corporate campuses, and live performance productions benefit from a network-ready system that is designed to integrate seamlessly. AutoScan quickly assesses your environment and uses equidistant channel spacing to deploy frequencies while tools like Sennheiser’s Control Cockpit, Wireless Systems Manager, and Smart Assist App allow you to monitor your system remotely.


  • 134 dB input dynamic range - no need to set gain on your wireless transmitters at all, thanks to proprietary Sennheiser Performance Audio Codec (SePAC)
  • 10mW fixed RF power for up to 100 m/328 ft of range
  • Charging contacts for in-device charging with CHG 70N charger (sold separately)
  • Persistent E-Ink display for "always on" information - parameters visible on screen even when taking out batteries
  • Up to 12 hours of operation time with rechargeable lithium ion battery BA 70 (sold separately)
  • Function buttons - control all the transmitter settings directly from bodypack including button lock function
  • Programmable mute switch - RF mute, AF mute or disabled
  • Digital audio trim
  • Test tone generator
  • Switchable LED configuration (On/Off)
  • Switchable low cut (Off, 30 ,60, 80, 100, 120 Hz)
  • Instrument input with cable emulation to simulate cable characteristics
  • Versatile charging options optionally available: CHG 70 N, L 70 USB, LM 6070 Module for L 6000 full rack charging station (Availability in 2023)
  • Compatible with a wide range of Sennheiser lavalier and headset microphones with 3-pin locking connector
  • Metal housing
  • Worldwide usage (specific frequencies subject to local RF regulations)
  • Note: All components of the Evolution Wireless Digital Family are designed to interoperate. Please be aware of restrictions of features linked to the respective series, such as switching bandwidth and use of Link Density mode.

Top Specs

  • Dimensions63 x 80 x 20 mm (without antenna)
  • Weight (g)approx. 120 g (without batteries)
Tech Specs
  • Total Harmonic Distortion
    ≤ -60 dB for 1 kHz @ -3 dBfs input level
Frequency Specifications
  • Audio Frequency Response
    20 Hz - 20 kHz (-3 dB) @ 3 dBfs
Acoustic Properties
  • Dynamic Range
    134 dB
Ambient Conditions
  • Operating Relative Humidity
    5 - 95 % (non-condensing)
  • Operating Temperature
    -10 °C - +55 °C (14 °F - 131 °F)
Electrical Properties
  • Input Voltage
    2.0 - 4.35 V
  • Dimensions
    63 x 80 x 20 mm (without antenna)
  • Height (mm)
  • Length (mm)
  • Master Carton Height (mm)
  • Master Carton Length (mm)
  • Master Carton Weight (g)
  • Master Carton Width (mm)
  • Weight (g)
    approx. 120 g (without batteries)
  • Width (mm)
  • Package Depth
  • Package Height
  • Package Weight
  • Package Width
What's in the box03
  • EW-DX SK 3-pin bodypack transmitter
  • Belt clip
  • 2 Batteries (AA)

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