Sennheiser EW 100 G4-845-S Wireless Microphone System
Sennheiser Sennheiser EW 100 G4-845-S Wireless Microphone System
Sennheiser EW 100 G4-845-S Wireless Microphone System
The Sennheiser EW 100 G4-845-S is a professional-grade wireless microphone system in the Evolution G4 family, fully compatible with previous Evolution series models. This package is ideal for stage use, live shows, theatre, presenters, and any application requiring reliable audio transmission.
This set includes:
SKM 100 G4-S — Handheld transmitter with programmable Mute switch
MMD 845-S (e845S) — Supercardioid dynamic microphone capsule (for vocals/speeches/live performance)
EM 100 G4 — Half-rack True Diversity receiver in a full-metal housing with a clear LCD display
GA3 rack kit, RJ10 link cable, and microphone clipWhy Choose the EW 100 G4-845-S
Highly stable RF performance — True Diversity technology and wide UHF bandwidth ensure strong and reliable reception even in environments with heavy interference.
Fast setup — Linking / IR Sync allows one-touch frequency allocation and transmitter–receiver synchronization. Perfect for multi-channel setups (daisy-chain up to 12 systems).
Wide frequency options — Up to 20 banks and 1,680 selectable frequencies (25 kHz steps) within a switching bandwidth of up to 42 MHz.
Powerful transmission — RF output up to 30 mW (varies by country) with operating range of up to ~100 meters (line-of-sight).
Optimized for live vocals — The MMD 845-S supercardioid capsule delivers excellent side-noise rejection, perfect for lead vocals and speech.
Key Features (Summary)
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True Diversity half-rack metal receiver with high-contrast LCD
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One-touch IR wireless synchronization
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Link function for fast multi-channel setups (up to 12 receivers)
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Up to 42 MHz switching bandwidth / 1,680 selectable frequencies
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RF output up to 30 mW / range approx. 100 m
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Preset EQ: Flat / Low-Cut / Low-Cut+High-Boost / High-Boost
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Durable design for field use (operating temps −10 °C to +55 °C)
Core Specifications (Short)
EM 100 G4 (Receiver)
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Frequency example: 748.2 – 757.8 MHz
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Switching bandwidth: up to 42 MHz (25 kHz steps)
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Outputs: XLR balanced +18 dBu / 6.3 mm unbalanced +12 dBu
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THD ≤ 0.9% / SNR ≥ 110 dBA / Current 300 mA
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Antenna: 2 × BNC
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Power: 12 V DC
SKM 100 G4-S (Handheld Transmitter)
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Size: Ø50 × 265 mm / Weight ~450 g (with batteries)
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RF output: up to 30 mW
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Operating time: ~8 hrs (AA batteries or rechargeable pack)
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AF response: 80 – 18,000 Hz
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THD ≤ 0.9% / SNR ≥ 110 dBA
MMD 845-S Capsule (e845S)
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Dynamic, supercardioid
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Max SPL: 154 dB
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Sensitivity: ~2.1 mV/Pa
What’s Included in the Box
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EM 100 G4 receiver
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SKM 100 G4-S handheld transmitter (with capsule installed)
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MMD 845-S capsule
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GA3 rack kit
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RJ10 link cable
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Microphone clip
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User manual
Usage Recommendations
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Ideal for Live, Theatre, Houses of Worship, DJs, Events, and Public Speaking
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Ensure local RF regulations and power limits before use
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Recommended to use high-quality batteries or the BA-2015 rechargeable pack for continuous operation
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