Sennheiser EW-DX SKM-S Wireless Handheld Transmitter

• 137 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)
• Programmable mute switch (AF Mute, RF Mute, no function)
• Function buttons - control all the transmitter settings directly from the handheld including button lock function
• Digital audio trim
• Test tone generator
• Switchable LED configuration (On/Off)
• Switchable low cut (Off, 30 ,60, 80, 100, 120 Hz)
• Versatile charging options optionally available: CHG 70 N, L 70 USB, LM 6070 Module for L 6000 full rack charging station
• Sennheiser Standard Capsule Interface - compatible with a wide range of Sennheiser and Neumann capsules (sold separately)
• 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.

Compatible with Sennheiser Evolution Wireless Digital receivers and a wide range of Sennheiser and Neumann interchangeable microphone capsules.

• 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 dynamic range of the transmitter?

The transmitter delivers a dynamic range of 134 dB, eliminating the need for manual gain adjustments.

What capsules are compatible with this handheld transmitter?

It features a standard Sennheiser capsule interface that accommodates a wide selection of Sennheiser and Neumann microphone heads.

How long does the transmitter operate on battery power?

It provides up to 12 hours of continuous operation when powered by a BA 70 rechargeable lithium-ion battery pack.

What information does the E-Ink display show?

The persistent E-Ink display maintains essential device parameters visible on screen at all times, even when batteries are removed.