Sennheiser EM 300-500 G4 Wireless Receiver (AW+: 470 to 558 MHz)

The Sennheiser EM 300-500 G4 Wireless Receiver is a professional true-diversity single-channel receiver designed for reliable wireless audio performance in live sound, presentations, conferencing, and broadcast applications. Operating in the AW+ frequency range (470–558 MHz), it delivers stable RF reception, Ethernet network control, expandable multi-channel operation, and high-quality audio in a rugged half-rack metal chassis.

The Sennheiser EM 300-500 G4 Wireless Receiver is part of the evolution wireless G4 500 Series, engineered for professional wireless microphone applications in theaters, houses of worship, conference rooms, educational facilities, and live performance environments. Featuring true-diversity reception technology, the receiver ensures stable and interference-resistant RF performance by continuously comparing signals from two independent receiver paths for optimal reception quality.

Operating within the AW+ UHF frequency range of 470–558 MHz, the receiver offers an extensive tuning bandwidth with up to 3520 selectable frequencies and supports multi-channel wireless setups with up to 32 compatible systems simultaneously. Its professional-grade RF architecture delivers reliable wireless performance with an operating range of up to 330 feet (100 meters) line-of-sight.

The EM 300-500 G4 features a high-contrast OLED display with intuitive menu navigation using a jog wheel and dedicated controls, allowing quick access to frequency settings, audio levels, transmitter battery monitoring, and network configuration. Built-in Ethernet connectivity enables remote monitoring and frequency coordination through Sennheiser Wireless Systems Manager (WSM) software, simplifying setup and management for complex wireless installations.

The receiver includes balanced XLR and unbalanced 1/4" audio outputs for flexible integration with mixers, PA systems, and broadcast equipment. A front-panel headphone output with volume control allows direct audio monitoring. The included rackmount kit and detachable BNC antennas make the unit suitable for permanent installations or touring applications.

Backward compatibility with previous Sennheiser evolution wireless generations (G1, G2, G3, and G4) provides flexible integration with existing wireless systems and transmitters.

Key Features:

• Professional true-diversity wireless receiver
• AW+ frequency range: 470–558 MHz
• Compatible with Sennheiser G4, G3, G2, and G1 systems
• Up to 3520 selectable frequencies
• Supports up to 32 simultaneous wireless channels
• Ethernet networking for WSM software control
• High-contrast OLED display with intuitive controls
• Expandable antenna system via detachable BNC antennas
• Balanced XLR and unbalanced 1/4" outputs
• Front-panel headphone monitoring output
• Rugged all-metal half-rack chassis
• Up to 330 ft (100 m) operating range