Sennheiser SK 100 G4 Wireless Bodypack Transmitter (Band A)

• Robust bodypack transmitter for daily use on stage.
• 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 frequen- cies, 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

RF Characteristics

• Modulation : Wideband FM
• Frequency ranges : A: 516 - 558 MHz
• Transmission Frequencies
• 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
• Switching bandwidth : up to 42 MHz
• Nominal/peak deviation : ±24 kHz / ±48 kHz
• Frequency stability : ≤ ±15 ppm
• RF output power at 50 Ω : Max. 30 mW
• Pilot tone squelch : Can be switched off

AF characteristics

• Compander system : Sennheiser HDX

AF Frequency Response

• Mic : 80 – 18,000 Hz
• Line : 25 – 18,000 Hz
• Signal-to-noise ratio (1 mV, peak deviation) : ≥ 110 dBA
• Total harmonic distortion (THD) : ≤ 0.9 %
• Max. microphone/line input voltage : 3 V
• Microphone/line input impedance : 40 kΩ, unbalanced / 1 MΩ
• Input capacitance : Switchable
• Setting range for input sensitivity : 60 dB, adjustable in 3 dB steps

Overall Device

• 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 µA
• Operating time : Typically 8 h
• Dimensions : Approx. 82 x 64 x 24 mm