Sennheiser EWD1 ME3 NH NT Digital Wireless Headset System

Sennheiser EW D1-ME3-NH-NT

EW D1 ME3 digital sound quality and run up to 15 output lines in parallel and independently adjust the sensitivity of every transmission.

evolution wireless D1 Headmic-Set with ME 3-II headmic 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.


- Lightweight and robust: headset microphone for excellent speech intelligibility
- Up to 15 compatible channels (under optimal conditions) in license-free 2.4 GHz 
- 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 app for remote control and monitoring of the system
- Sturdy metal housing 


Microphone: 50 to 20,000 Hz
2.2 V RMS
Weight: approx. 85 g
RF output power: adaptive, up to 100 mW (country-specific)
Battery Specification: 2 x AA size battery (1,5V)
Input impedance: 1 MΩ
Connection: 3.5 mm jack socket, lockable
Line: 20 to 20,000 Hz
3.3 V RMS
Input sensitivity: automatic sensitivity adjustment
Accupack: BA 30 (Li-Ion, 3.7V)


Microphone: pre-polarized condenser
Max. sound pressure level: 150 dB SPL
Pick-up pattern: cardioid
Sensitivity: 1.6 mV/Pa


THD, total harmonic distortion: typ. < 0,1 %
Storage temperature: – 20 °C to +70 °C (The temperature range is influenced by 
the battery characteristics)
Operating temperature: – 10 °C to +55 °C
Signal-to-noise ratio: ≥ 105 dB (A)
RF frequency range: 2,400 to 2,483.5 MHz
Modulation: GFSK with back channel
Dynamic range: > 135 dB (A)
Audio sampling: 24 bit/48 kHz
Transmission method: TDMA, time diversity, frequency diversity, fast switching 
antenna diversity
Latency: 3.9 ms
Audio codec: APT-X Live
AF frequency response: 20 to 20.000 Hz


Weight: approx. 824 g
Audio output: Mic/line level switch –24 dB/0 dB, XLR, balanced max +18 dBu, 
Jack, unbalanced/balanced max +12 dBu/max +18 dBu
RF output power: back channel 10 mW/100 mW (country-specific)
Power supply: 12 V DC hollow jack
Antenna connector: 2 x Rev-SMA
Current consumption: 350 mA
Low-cut filter: –3 dB at 120 Hz
RF sensitivity: <-90 dBm
Connection: XLR/¼" (6.3 mm) jack
Equalizer: 7-band graphic equalizer
Automatic gain control (AGC): compression/expansion with automatic make-up 
gain function
Display: OLED
Network socket: RJ45
Network protocol: Media Control Protocol, TCP/IP IPv4 (DHCP, Manual)/IPv6 

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