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System & Frequency Specifications
Frequency Range (Q1-6): 470.200 to 526.000 MHz (470–526 MHz)
RF Bandwidth: 56 MHz
Selectable Frequencies: 2,240 channels
Simultaneous Channels: Up to 90 channels (equidistant tuning grid)
Audio Frequency Response: 20 Hz – 20 kHz (Capsule response: 40 Hz – 16 kHz)
Dynamic Range: 134 dB
System Latency: 1.9 ms
Audio Resolution: 24-bit digital
Transmission Range: Up to 100 meters (approx. 328 feet / BLE app control up to 120 ft)
Components & Hardware
Receiver (EW-D EM): Single-channel metal digital receiver with rackmount kit, LED display, and balanced XLR / unbalanced 1/4" outputs; dimensions of 212 x 44 x 189 mm.
Handheld Transmitter (EW-D SKM-S): Digital transmitter with a physical mute switch.
Microphone Capsule (MMD 835): Interchangeable dynamic cardioid capsule with 2.1 mV/Pa sensitivity and 154 dB max SPL.
Power & Battery Life: Up to 8 hours using 2x AA batteries; up to 12 hours using the optional BA 70 rechargeable Li-Ion battery pack.
Control: Bluetooth Low Energy (BLE) control via the Sennheiser Smart Assist App for iOS and Android.