Sennheiser HEADMIC SET DW-4-US Wireless Headset Microphone System

Hands-Free Speech Clarity for Presentations, Lectures, and Conferences

The Sennheiser HEADMIC SET DW-4-US is a professional-grade digital wireless headset microphone system designed for reliable speech reinforcement in business, education, and public speaking environments. This all-in-one solution includes a rackmount receiver, bodypack transmitter, and the comfortable SL Headmic 1 headset microphone, giving you everything needed for crystal-clear audio and hands-free operation.

Perfect for use in conferences, corporate meetings, lectures, and panel discussions, this system offers long operating time, intelligent frequency management, and full network control through Sennheiser Control Cockpit software.

Automatic Frequency Management with Zero Setup Hassles

One of the standout features of the HEADMIC SET DW-4-US is its bi-directional communication between the transmitter and receiver. This allows the system to manage frequency and interference automatically, without requiring manual configuration.

Simply power on the units, and the system handles pairing and frequency coordination, making it ideal for non-technical users or large AV teams managing multiple setups.

Long-Lasting Rechargeable Power with USB Charging

The included BA 30 lithium-ion battery pack provides up to 15 hours of continuous use on a single charge. You can recharge it using the included USB cable or with optional accessories like the CHG 2 dual charger.

This eliminates the need for disposable batteries, making it a more sustainable and cost-efficient choice for frequent presenters and institutions.

Sennheiser Control Cockpit Software for Easy Remote Management

With built-in network integration, the system supports the Sennheiser Control Cockpit software. This platform gives IT teams and AV managers full visibility and control of all SpeechLine Digital Wireless devices on the network.

You can monitor battery status, signal strength, and make live adjustments, all from a web browser on a computer, tablet, or smartphone. The system is also compatible with AMX and Crestron control environments for seamless integration into larger AV systems.

Included Components of the HEADMIC SET DW-4-US

SL Headmic 1 Headworn Microphone

The SL Headmic 1 is a lightweight, comfortable headset microphone designed for natural, clear voice capture. Featuring a professional MKE 1 omnidirectional capsule, it captures speech evenly from all directions, making it perfect for presentations and speaking engagements.

Its adjustable neckband fits securely and comfortably on all head sizes, while the included soft case provides protection and storage for both the mic and the optional bodypack transmitter.

SL Bodypack DW-4-US Transmitter with Rechargeable Battery

The SL Bodypack DW-4-US is a sleek, compact digital wireless transmitter optimized for spoken-word applications. It pairs with all compatible Sennheiser microphones, including the included SL Headmic 1 and optional MKE 1 lavalier.

The transmitter is equipped with a backlit LCD display that shows battery life, signal strength, and link status. Its mute slider is easy to access during live presentations, and the BA 30 rechargeable battery ensures up to 15 hours of reliable operation.

Charging is simple using the built-in USB port or the external charging contacts for dock-based solutions.

SL Rack Receiver DW-4-US with OLED Display and Network Control

The SL Rack Receiver DW-4-US is a robust, easy-to-integrate wireless receiver for the SpeechLine Digital Wireless system. It features an OLED display for clear status monitoring, and supports both front and rear antenna mounting depending on your rack setup.

Thanks to 256-bit AES encryption, your wireless signal is secure and protected. With automatic frequency management and bi-directional communication, the receiver adjusts settings based on the transmitter’s status, reducing the need for manual adjustments during setup.

It integrates with Sennheiser Control Cockpit, Crestron, and AMX systems, making it an ideal fit for scalable, professional AV installations.

Why Choose the Sennheiser HEADMIC SET DW-4-US?

If you're searching for a digital wireless microphone system for speech applications that offers ease of use, long battery life, and advanced remote control options, the Sennheiser HEADMIC SET DW-4-US delivers all that and more. It’s engineered for high-demand environments like universities, boardrooms, and event spaces, where clear audio, network integration, and hands-free operation are essential.

With trusted Sennheiser sound quality, automatic interference protection, and flexible charging options, this system is built for modern presenters and AV professionals who demand reliability and performance.