จำหน่าย SENNHEISER EW 100 G4-835-S Handheld Wireless Microphone System***ย่าน UHF คลื่นความถี่ 748 – 758 MHz (คลื่นที่ กสทช อนุญาติให้ใช้ที่ระยะความถี่นี้)
EM 100 G4
Frequency range A1: 470 - 516 MHz
A: 516 - 558 MHz
AS: 520 - 558 MHz
GB: 606 - 648 MHz
G: 566 - 608 MHz
B: 626 - 668 MHz
C: 734 - 776 MHz
D: 780 - 822 MHz
E: 823 - 865 MHz
1G8: 1785 - 1800 MHz
JB: 806 - 810 MHz
K+: 925 - 937,5 MHz
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 μV for 52 dBA eff S/N
Squelch low: 5 dBµV middle: 15 dBµV high: 25 dBμV
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. Ø 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 µA
Input impedance 40 kΩ
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
MMD 835-1
Sound pressure level (SPL) 154 dB SPL
Transducer principle dynamic
Pick-up pattern cardioid
Sensitivity 2.1 mV/Pa