Sennheiser ew 100 G4-945-S-A Wireless Vocal Set

Versatile wireless systems for those who sing, speak or play instruments with up to 42 MHz tuning bandwidth in a stable UHF range and fast, simultaneous setup of up to 12 linked systems.
State-of-the-art live sound featuring Sennheiser‘s renowned e 935 and e 945 capsules on a lightweight aluminum transmitter with integrated mute switch.

Frequencies:
A1, 470 - 516 MHz
A, 516 - 558 MHz
G, 566 - 608 MHz

Key Features

• Engineered for professional live sound: Rugged all-in-one wireless system for singers and presenters.
• State-of-the-art live sound featuring Sennheiser‘s renowned e 835, e 845, e 865, e 935, e 945 capsules on a lightweight aluminium transmitter with integrated mute switch
• True diversity half-rack receiver in a full-metal housing with intuitive LCD display for full control
• Easy and flexible wireless synchronization between transmitter and receiver via infrared
• Fast frequency allocation for up to 12 receivers via new linking functionality
• Up to 20 compatible channels
• Up to 42 MHz bandwidth with 1680 selectable frequencies, fully tunable in a stable UHF range
• Transmission Range: up to 100 meters / 300 feet
• High RF output power (up to 30 mW) depending on country regulations

Technical Specifications

EM 100 G4
Dimensions
Approx. 190 x 212 x 43 mm
Compander
Sennheiser HDX
THD, total harmonic distortion
<= 0.9 %
Weight
Approx. 980 g
Audio output
6.3 mm jack socket (unbalanced): +12 dBu
XLR socket (balanced): +18 dBu
Signal-to-noise ratio
>= 110 dBA
Switching bandwidth
up to 42 MHz
Peak deviation
+/-48 kHz
Nominal deviation
+/-24 kHz
Modulation
Wideband FM
Power supply
12 V DC
Antenna connector
2 BNC sockets
Current consumption
300 mA
Adjacent channel rejection
Typically >= 65 dB
Intermodulation attenuation
Typically >= 65 dB
Receiving frequency
Max. 1680 receiving frequencies, adjustable in 25 kHz steps 20 frequency banks, each with up to 12 factory-preset channels, no intermodulation 1 frequency bank with up to 12 programmable channels
RF sensitivity
< 2.5 mcgV for 52 dBA eff S/N
Squelch
low: 5 dBV middle: 15 dBV high: 25 dBmcgV
Equalizer
Preset 1: Flat
Preset 2: Low Cut (-3 dB at 180 Hz)
Preset 3: Low Cut/High Boost (-3 dB at 180 Hz, +6 dB at 10 kHz)
Preset 4: High Boost (+6 dB at 10 kHz)
Temperature Range
-10 C to +55 C
Receiver Principle
True diversity
Blocking
>= 70 dB

SKM 100 G4-S
Dimensions
Approx. 50 x 265 mm
Compander
Sennheiser HDX
THD, total harmonic distortion
<= 0.9 %
Weight (incl. batteries)
approx. 450 g
Signal-to-noise ratio
>= 110 dBA
RF output power
Max. 30 mW
Switching bandwidth
up to 42 MHz
Peak deviation
+/-48 kHz
Nominal deviation
+/-24 kHz
Operating time
Typically 8 h
Modulation
Wideband FM
Power supply
2 AA batteries, 1.5 V or BA 2015 accupack
Current consumption
at nominal voltage: typ. 180 mA
with transmitter switched off: <= 25 A
Input impedance
40 k OHM
Max. Input voltage
3 Veff
Powering
3 V battery / 2.4 V rechargeable battery
Transmission frequency
Max. 1680 transmitting frequencies, adjustable in 25 kHz steps 20 frequency banks, each with up to 12 factory-preset channels, no intermodulation 1 frequency bank with up to 12 programmable channels
AF frequency response
80 - 18,000 Hz
Temperature Range
-10 C to +55 C
Frequency stability
<= +/-15 ppm

What's in the box?
EM 100 G4 true diversity receiver
SKM 100 G4-S handheld transmitter
MMD 935-1 microphone head (935-S variants only)
MMD 945-1 microphone head (945-S variants only)
GA 3 rackmount set
MZQ 1 microphone clamp
power supply
2 AA batteries
2 rod antennas
RJ 10 cable
quick guide
safety guide
manufacturer declaration sheet
frequency supplement sheet

MMD 945-1
Sound pressure level (SPL)
154 dB SPL
Transducer principle
dynamic
Pick-up pattern
supercardioid
Sensitivity
1.8 mV/Pa