Sennheiser EM 100 G4-A Wireless True Diversity Rackmount Receiver

Rock-Solid Wireless Performance: Sennheiser EM 100 G4-A Receiver

The Sennheiser EM 100 G4-A is a industry-standard true diversity wireless rackmount receiver designed to deliver seamless, interference-free audio reception on live concert stages, presentation venues, and broadcast studios. Operating in the A Frequency Range (516 – 558 MHz), this evolution wireless G4 receiver provides top-tier RF reliability and crystal-clear sound quality.

As a flagship receiver in our Sennheiser wireless equipment store, the EM 100 G4-A features an innovative multi-channel cable linking function that enables rapid frequency allocation for up to 12 linked receivers simultaneously.

Key Features & Pro-Level Advantages

• A Frequency Band (516 – 558 MHz): Up to 42 MHz switching bandwidth with 1,680 selectable UHF frequencies for complete flexibility in crowded RF environments.
• True Diversity Technology: Dual internal receiver circuits continuously sample signals to eliminate RF dropouts, dead spots, and multipath interference.
• Fast Multi-Channel Setup: Built-in RJ10 linking ports allow up to 12 receivers to be daisy-chained for automated frequency scanning and distribution.
• Infrared (IR) Synchronization: One-touch pairing transfers frequency, gain, and system settings instantly to handheld or bodypack transmitters.
• Rugged Full-Metal Housing: Premium half-rack metal enclosure built for road touring and permanent 19″ rack installations (GA 3 rack kit included).
• Sennheiser HDX Compander: Delivers exceptional signal-to-noise ratio (≥ 110 dBA) and pristine dynamic audio response across the 25 Hz – 18,000 Hz spectrum.

Key Technical Specifications

• Receiver Principle: True Diversity

• Frequency Range: Band A (516.000 – 558.000 MHz)

• Switching Bandwidth: Up to 42 MHz

• Receiving Frequencies: Max 1,680 Tunable UHF Frequencies

• Compatible Channels: Up to 12 Interconnected Receivers

• Compander System: Sennheiser HDX

• Signal-to-Noise Ratio: ≥ 110 dBA

• Audio Outputs: Balanced XLR-3M (+18 dBu max) & Unbalanced 6.3 mm (1/4″) Jack (+12 dBu max)

• Antenna Inputs: 2 x BNC Connectors (50 Ω)

• Power Supply: 12 V DC (NT 2-3 Power Supply Unit)

• Dimensions & Weight: Approx. 190 x 212 x 43 mm | 980 g

Compatibility & System Integration

• Transmitter Compatibility: Pairs seamlessly with Sennheiser EW G4 100 series transmitters (SKM 100 G4 handheld, SK 100 G4 bodypack) operating in Band A (516 – 558 MHz). Backward compatible with evolution wireless G3 and G2 100 series transmitters in the same frequency band.

• Included Accessories: Sennheiser GA 3 rackmount kit, NT 2-3 power supply with regional adapters, 2 rod antennas, and 1 RJ10 linking cable.

• System Expansion: Explore active antenna splitters (ASA 214), directional paddle antennas, and wireless transmitters on our Sennheiser Brand Store.