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Sennheiser EWD1-845S-H-UK D1 Digital Wireless Super Cardioid Handheld Vocal Set

Product Code SE505813
Manufacturer Sennheiser

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Evolution wireless D1 Vocal-Set with the legendary evolution e845 super-cardioid caspule and mute-switch for live stage use.


Evolution wireless D1 is a digital sound transmission system that makes no compromises when it comes down to reliability, sound quality or user-friendliness. ew D1 is the number one for every gig and live event when you need to simply rely on pure brilliance. It can run up to 15 output lines in parallel and independently adjust the sensitivity of every transmission.



Choice of various microphone heads from the renowned

evolution series

Up to 15 compatible channels (under optimal conditions)

in license-free 2.4 GHz band

Automatic frequency management

Prevents interference: Intelligent channel back-up allows

co-existence with Wi-Fi & Bluetooth

Audio effects: equalizer, de-esser, automatic gain control

iOS & Android app for remote control and monitoring of

the system

Sturdy metal housing


What's in the box?

EM-D1 rackmount receiver

SKM-D1 handheld transmitter

MZQ microphone clamp

NT-12 power supply

Transport Case

User Manual



Frequency response 20 to 20.000 Hz

Dynamic range > 135 dB (A)

THD, total harmonic distortion typ. < 0,1 %

Audio sampling 24 bit/48 kHz

Signal-to-noise ratio ≥ 105 dB (A)

RF frequency range 2,400 to 2,483.5 MHz

Modulation GFSK with back channel

Transmission method TDMA, time diversity, frequency diversity, fast switching antenna diversity

Latency 3.9 ms

Audio codec APT-X Live

Operating temperature – 10 °C to +55 °C

Storage temperature – 20 °C to +70 °C (The temperature range is influenced by the battery characteristics)


Frequency response 50 to 20,000 Hz

RF output power adaptive, up to 100 mW (country-specific)

Display LCD

Weight approx. 280 g incl. microphone head

Input sensitivity automatic sensitivity adjustment

Battery Specification 2 x AA size battery (1.5 V), Operating time: typ. 6 h

Accupack BA 10 (Li-Ion, 3.7 V), Operating time: typ. 11 h (optional accessory)


Latency multi-frequency targets

RF sensitivity <-90 dBm

RF output power back channel 10 mW/100 mW (country-specific)

Audio output Mic/line level switch –24 dB/0 dB, XLR, balanced max +18 dBu, Jack, unbalanced/balanced max +12 dBu/max +18 dBu

Low-cut filter –3 dB at 120 Hz

Equalizer 7-band graphic equalizer

Automatic gain control (AGC) compression/expansion with automatic make-up gain function

Display OLED

Connection XLR/¼" (6.3 mm) jack

Antenna connector 2 x Rev-SMA

Network socket RJ45

Network protocol Media Control Protocol, TCP/IP IPv4 (DHCP, Manual)/IPv6

Power supply 12 V DC hollow jack

Current consumption 350 mA

Weight approx. 824 g


RF output power adaptive, up to 100 mW (country-specific)

Connection 3.5 mm jack socket, lockable

Weight approx. 85 g

Input sensitivity automatic sensitivity adjustment

Battery Specification 2 x AA size battery (1,5V), Operating time: typ. 6 h

Accupack BA 30 (Li-Ion, 3.7V), Operating time: typ. 11 h (optional accessory)

Microphone Frequency response: 50 to 20,000 Hz

Max. input level: 2.2 V RMS

Line Frequency response: 20 to 20,000 Hz

Max. input level: 3.3 V RMS

Input impedance 1 MΩ

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