Sennheiser Evolution D1 Instrument Set Digital Wireless System


The D1 Wireless systems show that Sennheiser is leading the charge in Live Sound technology. Utilising a revolutionary digital architecture, the D1 systems sound just as good as if you had a full cabled connection. That's CD quality sound travelling through the air waves and arriving to your speakers unblemished, even under the toughest ambient conditions. What's more, the systems have been designed to be simple to use, showing that you don't have to be a tech wizard to use the best quality systems. You can just get Hooked up and you're ready to go!

Simple Design

One of the most daunting aspects to the use of a wireless system is getting everything connected together and working properly when there's so many other things to think about in rehearsal. With the D1 systems it has never been easier. Pairing your devices is at the touch of a button. The system locates the best frequencies and up to 15 additional transmission links to ensure you get the best connection. And you only have to wait a fraction of a second. This means you can move on quickly and get on with more important tasks. If you do want to have more control, the D1 systems can also be controlled over a dedicated iOS or Android app, so you can easily make adjustments on the go using your mobile phone or tablet!

Reliable performance

Once connected, with some systems there is always a niggling worry that it will suddenly drop out mid performance, causing absolute pandemonium. The D1 system looks after you right through your performance, checking your radio channels  133 times per second and can even boost transmission power when a stronger signal is needed; all within a blink of an eye!

In the box

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

Instrument Set

The D1 Instrument set comes equipped with a CL1 Cable so that you can hook up your guitar, bass or other instrument wirelessly on stage. The bodypack is lightweight yet durable, so that you can just attach it to your clothing and focus on your performance


  • 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



  • RF frequency range 20 to 20.000 Hz 
  • 2,400 to 2,483.5 MHz 
  • Dynamic range > 135 dB (A) 
  • THD, total harmonic distortion typ. < 0,1 % (1 kHz) 
  • Audio sampling 24 bit/48 kHz 
  • Signal-to-noise ratio  105 dB (A) 
  • Modulation GFSK with back channel 
  • Transmission method TDMA, time diversity, frequency diversity, fast switching antenna diversity 
  • Latency 3.9 ms 
  • multi-frequency targets 
  • 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) 


  • 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 
  • 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 Battery Specification, operating time: typ. 11 h (optional accessory) 
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