Sennheiser Belt-pack Transmitter (S4-10)

The Sennheiser EW-DX SK is a compact, rugged digital bodypack transmitter designed for use with the Sennheiser EW-DX wireless system. This model features a locking 3.5mm TRS input, making it ideal for lavalier and headset microphones, as well as instruments with compatible cables.

With 134 dB of dynamic range, 24-bit digital audio, and Bluetooth Low Energy (BLE) for app syncing and control, the EW-DX SK delivers outstanding sound and operational flexibility. It’s network-ready for use with Sennheiser Control Cockpit, Wireless Systems Manager, and the Smart Assist app, allowing for remote monitoring and configuration—perfect for stages, campuses, corporate venues, and broadcast setups.

Additional features include a persistent e-Ink display that shows key settings even when powered off, programmable mute switch, and charging contacts compatible with the CHG 70N dock. Power options include the included Sennheiser lithium-ion battery pack (up to 12 hours operation) or standard AA batteries (up to 8 hours).

Key Features:

• Digital UHF bodypack transmitter for Sennheiser EW-DX receivers

• Locking 3.5mm TRS input for headset, lavalier, or instrument mics

• 134 dB dynamic range, 24-bit audio, 1.9 ms latency

• Up to 100m operating range with 10mW RF output

• Bluetooth LE sync for fast pairing and remote control

• Programmable mute switch and mic input trim control

• e-Ink display visible even when powered off

• Metal housing with charging contacts (CHG 70N compatible)

• Runs up to 12 hours (lithium-ion) or 8 hours (AA batteries)

What’s in the Box:

• 1 x Sennheiser EW-DX SK Bodypack Transmitter (3.5mm input)

• 1 x BA70 Lithium-ion Battery Pack

• User Manual