Sennheiser SL Lavalier Set DW-4-US R — Digital Wireless Lavalier System
SL Lavalier Set DW-4-US R Overview
The Sennheiser SL Lavalier Set DW-4-US R is a complete digital wireless lavalier system built for professionals who demand consistent RF performance and transparent audio quality. Operating in the Digital 1.9 GHz DECT-based frequency range, the system delivers interference-free operation by working outside the congested UHF spectrum. The set is designed for broadcast facilities, houses of worship, corporate AV, and touring productions where discreet, reliable wireless audio is essential. As part of Sennheiser’s SpeechLine Digital Wireless family, it is engineered to meet the demands of speech-critical applications.
The DW-4-US R designation indicates this system is configured for the US market and includes a receiver, bodypack transmitter, and lavalier microphone, providing a ready-to-deploy solution for integrators and engineers.
Key Features
- Digital 1.9 GHz Operation — Utilizes the DECT frequency band to avoid UHF congestion and interference from TV broadcast signals
- Complete System Bundle — Includes receiver, bodypack transmitter, and lavalier microphone for immediate deployment
- Interference-Free Performance — Digital transmission architecture provides consistent, predictable RF behavior in complex RF environments
- Speech-Optimized Audio — System tuned for vocal clarity and intelligibility, suited to broadcast, presentation, and house of worship applications
- Discreet Lavalier Microphone — Compact capsule design for low-profile placement on talent
- US Market Configuration — Frequency plan and regulatory compliance specific to US operation
- SpeechLine Digital Wireless Platform — Part of Sennheiser’s dedicated speech-application wireless ecosystem, supporting scalable multi-channel deployments
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