Product Overview
The Sennheiser EW-D SK (S1-7) is a digital wireless bodypack transmitter designed for use with Evolution Wireless Digital (EW-D) systems.
Operating in the 606.2–662 MHz band, it delivers 24-bit digital audio, excellent RF stability, and low-latency performance.
It can be paired with lavalier microphones, headsets, or instrument cables, making it suitable for presentations, theatre, corporate AV, worship, and live performance environments.
Key Features
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Operating frequency range: 606.2–662 MHz (S1-7 band)
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24-bit digital audio transmission
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Ultra-low latency (approx. 1.9 ms)
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Locking 3.5 mm input connector for ME2, ME4, ME3, and CI1 cables
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OLED display for clear system information
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AES 256-bit encryption for secure audio transmission
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Durable metal housing for professional use
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Compatible with all EW-D EM receivers in the same frequency range
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Quick and easy syncing using the Smart Assist app
Technical Specifications
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RF output power: up to 10 mW
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Input connector: Locking 3.5 mm mini-jack
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Power options:
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BA 70 rechargeable battery (recommended)
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2 × AA batteries
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Battery runtime:
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Up to 8 hours with BA 70
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Approx. 4–6 hours with alkaline AA batteries
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