Sennheiser ew 100 G4-845-S-A1 | Wireless Vocal Set

The Sennheiser ew 100 G4-845-S-A1 Wireless Vocal Set is a versatile wireless system designed for professionals who sing, speak or play instruments. It offers up to 42 MHz tuning bandwidth in a stable UHF range and supports fast, simultaneous setup of up to 12 linked systems. This state-of-the-art live sound system features Sennheiser’s renowned e 845 capsule on a lightweight aluminum transmitter with an integrated mute switch, making it perfect for any live performance or presentation setup.

Engineered for exceptional live sound, this rugged all-in-one wireless system is ideal for singers, presenters, and musicians. The true diversity half-rack receiver housed in a full-metal casing comes equipped with an intuitive LCD display, providing full control over the system. Easy wireless synchronization between the transmitter and receiver via infrared ensures a hassle-free setup, while fast frequency allocation for up to 12 receivers through the new linking functionality significantly reduces setup time.

With up to 20 compatible channels and a transmission range of up to 100 meters (300 feet), the Sennheiser ew 100 G4-845-S-A1 ensures reliable performance across various environments. Boasting high RF output power (up to 30 mW, depending on country regulations), this wireless vocal set guarantees clear, interference-free audio, making it the perfect solution for professional live sound applications.

Key Features

• Rugged all-in-one wireless system for singers and presenters
• Featuring Sennheiser’s renowned e 845 capsule
• Lightweight aluminium transmitter with integrated mute switch
• True diversity half-rack receiver with full-metal housing
• Intuitive LCD display for full control
• Easy and flexible wireless synchronization via infrared
• Fast frequency allocation for up to 12 receivers
• Up to 20 compatible channels
• Up to 42 MHz bandwidth with 1680 selectable frequencies
• Transmission range up to 100 meters / 300 feet
• High RF output power (up to 30 mW)

Specifications

• EM 100 G4: Dimensions Approx. 190 x 212 x 43 mm
• Compander: Sennheiser HDX
• THD: ≤ 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. 50 x 265 mm
• Compander: Sennheiser HDX
• THD: ≤ 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 with up to 12 factory-preset channels, 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 845-1 Sound pressure level (SPL): 154 dB SPL
• Transducer principle: dynamic
• Pick-up pattern: supercardioid
• Sensitivity: 2.1 mV/Pa

Package Contents

• EM 100 G4 True Diversity Receiver
• SKM 100 G4-S Handheld Transmitter
• MMD 835-1 Microphone Head (835-S variants only)
• MMD 845-1 Microphone Head (845-S variants only)
• MME 865-1 Microphone Head (865-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