Sennheiser ewD1-CI1-H-UK Instrument Set
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Sennheiser ewD1-CI1-H-UK Instrument Set

Sennheiser are a go-to brand when it comes to high-quality, reliable, wireless systems. the ew D1 is the number one for every gig and live e..

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Sennheiser are a go-to brand when it comes to high-quality, reliable, wireless systems. the 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.


  • Lightweight bodypack transmitter, robust guitar cable included
  • 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

Technical Data


  • 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   
  • Codecs    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)   


  • 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   
  • Deviation 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   
  • 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 M   
  • 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)   

What's in the box?

  • EM-D1 rackmount receiver
  • SK-D1 bodypack transmitter
  • CL 1 jack cable
  • NT-12 power supply
  • Transport Case
  • User Manual



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