The Sennheiser EW-D SKM-S (S1-7) is a professional digital wireless handheld transmitter designed for Evolution Wireless Digital (EW-D) systems.
This version is supplied without a microphone capsule, allowing you to add any compatible Sennheiser MMD or MMK series module to match your sound preference.
Operating in the 606.2–662 MHz range, it delivers low-latency 24-bit digital audio, excellent RF stability, and robust stage-ready construction.
Key Features
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Frequency range: 606.2–662 MHz (S1-7 band)
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Digital UHF transmission with 24-bit audio
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Ultra-low latency (approx. 1.9 ms)
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Capsule-ready design (no capsule included)
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Accepts all Sennheiser MMD and MMK microphone capsules
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On/Off mute switch
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OLED display for system information and status
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Strong RF performance with up to 90 channels (environment dependent)
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AES 256-bit encrypted transmission
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Durable metal handheld body designed for touring and professional use
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Seamless syncing using the Smart Assist app
Technical Specifications
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RF output power: up to 10 mW
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Capsule interface: Standard Sennheiser modular mount
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Power:
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BA 70 rechargeable battery
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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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