Sennheiser SKM 100 G4-A
Evolution G4 Wireless 100 Series Handheld Microphone Transmitter with Mute Switch
Frequency ranges
A1: 470 - 516 MHz
A: 516 - 558 MHz
AS: 520 - 558 MHz G: 566 - 608 MHz GB: 606 - 648 MHz B: 626 - 668 MHz
C: 734 - 776 MHz
D: 780 - 822 MHz
E: 823 - 865 MHz
JB: 806 - 810 MHz K+: 925 - 937.5 MHz 1G8: 1785 - 1800 MHz
Transmission frequencies
Max. 1680 receiving frequencies, adjustable in 25 kHz steps
20 frequency banks, each with up to 12 factory-preset channels, no intermodula- tion
1 frequency bank with up to 12 programmable channels
Switching bandwidth up to 42 MHz
Nominal/peak deviation ±24 kHz / ±48 kHz
Frequency stability ±15 ppm
RF output power at 50
Max. 30 mW
Pilot tone squelch
Can be switched off
AF characteristicsCompander system
Sennheiser HDX
AF frequency response 80 – 18,000 Hz
Signal-to-noise ratio (1 mV, peak deviation) 110 dBA
Total harmonic distortion (THD) 0.9 %
Max. input voltage 3 V
Input impedance 40 k
Input capacitance
Switchable
Setting range for input sensitivity
48 dB, adjustable in 6 dB steps
Temperature range -10 °C to +55 °C
Power supply
2 AA batteries, 1.5 V or BA 2015 accupack
Nominal voltage
3 V battery /
2.4 V rechargeable battery
Current consumption at nominal voltage:typ. 180 mA
with transmitter switched off: 25 mA
Operating time Typically 8 h