

SENNHEISER EW-DX SK
MRP - Rs. 50,000
SENNHEISER EW-DX SK: Wireless Microphone. Available in India from Shivansh Electronics, Kolkata, West Bengal, India.
VISUAL GUIDE — See Every Photo, Spec & Setup Step (PDF)
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Product
| Latency (ms) | 1.9 ms |
| Total harmonic distortion (THD) | ≤ -60 dB for 1 kHz @ -3 dBfs input level |
Frequency Specifications
| Frequency range | 470.200 - 550.000 |
| Audio frequency response | 20 Hz - 20 kHz (-3 dB) @ 3 dBfs |
Acoustic Properties
| Dynamic range (>) | 134 dB |
Connectivity
| Connection | Wireless |
Ambient Conditions
| Operating relative humidity (≤ %) | 5 - 95 % (non-condensing) |
| Operating temperature (C) | -10 °C - +55 °C (14 °F - 131 °F) |
Battery & Power
| Battery capacity (Ah) | 2.3 |
| Battery included | Yes |
| Battery voltage | 1.5 V |
| Charging current (mA) | < 300 mA |
Electrical Properties
| Input voltage | 2.0 - 4.35 V |
| Transmission power (mA) | Audio link: 10 mW ERP (Range Y1-3: 12 mW ERP) LD mode: 10 mW ERP BLE: max. 10 mW EIRP |
Dimensions
| Dimensions | 63.5 x 85 x 20 mm (without antenna) |
| Product weight | 120 g |
Bluetooth
| Bluetooth transmission frequency | 2402 - 2480 MHz |
Available versions
| Frequency range | Article no. |
|---|---|
| Q1-9 (470.2 – 550 MHz) | 509384 |
| R1-9 (520 – 607.8 MHz) | 509385 |
Product overview
The SENNHEISER EW-DX SK is a wireless microphone from SENNHEISER, part of the Ew-Dx range.
Digital wireless bodypack transmitter with 3.5 mm jack 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.
| Frequency range | 470.200 - 550.000 |
| Product weight | 120 g |
| Latency (ms) | 1.9 ms |
| Dynamic range (>) | 134 dB |
Key features
- 142 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 3.5 mm jack plug connection
- 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
Available versions
| Frequency range | Article |
|---|---|
| Q1-9 (470.2 – 550 MHz) | Article no. 509384 |
| R1-9 (520 – 607.8 MHz) | Article no. 509385 |
SENNHEISER EW-DX SK: frequently asked questions
What frequency range does the EW-DX SK use?
The official specification lists 470.200 - 550.000. It is available in these versions: Q1-9 (470.2 – 550 MHz), R1-9 (520 – 607.8 MHz).
What is the frequency response of the EW-DX SK?
20 Hz - 20 kHz (-3 dB) @ 3 dBfs.
Where can I buy the SENNHEISER EW-DX SK in India?
The SENNHEISER EW-DX SK is available from Shivansh Electronics, Kolkata, West Bengal, India, with delivery across India.
Workflow 1: Presenters and speakers
Conferences, schools and corporate events.
Setup
- Set the transmitter and the receiver to the same frequency. Frequency range: 470.200 - 550.000.
- Connect the receiver output to the mixer or amplifier input.
- Fit the microphone and set the level while the presenter speaks normally.
Workflow 2: Live performance
Singers, musicians and live sound engineers.
Setup
- Charge or fit fresh batteries before the show.
- Check every link on stage before the audience arrives.
- Keep a clear line of sight between transmitters and receiver antennas.
Workflow 3: Places of worship
Churches, temples and other places of worship.
Setup
- Use the EW-DX SK for the speaker or leader.
- Check the frequencies and batteries before each service.
Workflow 4: Theatre and stage productions
Theatre and event sound teams.
Setup
- Plan the frequencies for all wireless channels before the show.
- Check battery status during rehearsals.
Workflow 5: Video and broadcast
Video crews and broadcasters.
Setup
- Connect the receiver output to the camera or recorder.
- Monitor the audio on headphones during recording.
Workflow 6: Rental and touring
Rental companies and touring crews.
Setup
- Label each system with its frequency and channel.
- Store transmitters, receivers and accessories in their case after use.








