Sennheiser EW-DX SK 3-PIN Wireless Set

• 143 dB input dynamic range - no need to set gain on wireless transmitters, 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 batteries are removed
• Up to 12 hours of operation time with rechargeable lithium ion battery BA 70 (sold separately)
• Function buttons - control all 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
• 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. Features linked to the respective series, such as switching bandwidth and use of Link Density mode, may vary.

Compatible with Sennheiser Evolution Wireless Digital systems and a wide range of Sennheiser lavalier and headset microphones equipped with a 3-pin locking connector. Supports optional charging via CHG 70N, L 70 USB, and LM 6070 charging modules.

• Instruction manual and frequently asked questions - Evolution Wireless Digital (EW-D | EW-DX | EW-DP)
• ew-d_bedienungsanleitung_11_2025_de.pdf
• EW-DX_Firmware_4.1.1.sennpkg
• EW-DX_Product_Brochure_Education_Corporate_EN.pdf
• EW-DX_Sound_Control_Protocol_11_2023_EN.pdf
• How-To_Guide_-_Control_Cockpit_Software_and_EW-DX_Firmware.pdf
• EW-DX_EM2_SKM_SK_Quick_Guide_05_2026.pdf
• EW-DX_SafetyInstructions_08_2025.pdf
• EU_DoC_EW-DX.pdf
• EW-DX_Compliance_Sheer_04_2026.pdf

What is the operating range of the transmitter?

The transmitter delivers a wireless range of up to 100 meters with a fixed RF power of 10 mW.

Does the screen remain active when batteries are taken out?

Yes, the persistent E-Ink display maintains device parameters on screen even when the batteries are removed.

What battery runtime can be expected from this bodypack transmitter?

The transmitter provides up to 12 hours of operation when used with the BA 70 rechargeable lithium-ion battery.

What audio latency does this wireless bodypack produce?

The system operates with a low latency of 1.9 ms.