Sennheiser IEM monitoring set (2x EK + IE4), GA3, 823 - 865 MHz, generation 4 Sennheiser

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The Sennheiser ew IEM G4 Twin E-Band is a professional in-ear monitoring system designed for live performance applications. It includes dual stereo bodypack receivers, rackmount transmitters, and IE 4 earphones, delivering reliable UHF wireless monitoring with flexible routing, high audio clarity, and robust stage performance.

The Sennheiser ew IEM G4 Twin E-Band is a professional-grade wireless in-ear monitoring system built for musicians, performers, and live production environments. Operating in the E-Band frequency range (823–865 MHz), this system delivers stable UHF transmission with excellent resistance to interference, making it suitable for demanding stage and touring applications.

The system includes two EK IEM G4 stereo bodypack receivers, two SR IEM G4 rackmount transmitters, and two IE 4 earphones, enabling dual-user monitoring setups. With support for stereo, mono, and focus modes, performers can customize their monitoring mix for optimal on-stage clarity. The system provides up to 1680 selectable frequencies across a 42 MHz bandwidth, organized into 20 fixed banks and multiple user-programmable presets for flexible frequency management.

Advanced RF technology, including HDX compander processing, pilot tone squelch, and automatic frequency scanning, ensures clean, noise-free audio transmission. The system also supports infrared synchronization for quick transmitter-to-receiver setup, reducing configuration time in live environments.

Each bodypack receiver features a 3.5 mm headphone output, adjustable limiter, and OLED display for real-time monitoring of RF/AF levels, battery status, and channel settings. The transmitters include balanced XLR/jack combo inputs, adjustable RF output power (10/30/50 mW), and front-panel controls for gain and routing.

Designed for professional touring and stage use, the system also supports rack mounting via the included GA 3 kit and offers compatibility with rechargeable BA 2015 battery packs (optional). Its rugged construction and intuitive interface make it a dependable solution for consistent in-ear monitoring in live sound environments.

Key Features:

• Professional dual in-ear monitoring system (Twin configuration)
• UHF operation in E-Band: 823–865 MHz
• Includes 2 × EK IEM G4 bodypack receivers + 2 transmitters
• Stereo / Mono / Focus monitoring modes
• Up to 1680 selectable frequencies across 42 MHz bandwidth
• 20 frequency banks with up to 16 presets each
• HDX compander for clean, high-quality audio
• Automatic frequency scan and infrared sync
• Adjustable RF output power: 10 / 30 / 50 mW
• OLED display with RF/AF and battery monitoring
• Adjustable limiter for hearing protection
• Rackmountable transmitters with GA 3 kit included

• 2 × EK IEM G4 Stereo Bodypack Receivers
• 2 × SR IEM G4 Rackmount Transmitters
• 2 × IE 4 In-Ear Headphones
• 1 × NT 2-3 CW Power Supply
• 4 × AA Batteries
• 1 × GA 3 Rackmount Kit
• User Documentation

• Frequency Range: 823–865 MHz (E-Band)
• Audio Frequency Response: 25 Hz – 15 kHz
• Bandwidth: 42 MHz
• Channels: Up to 16 compatible channels
• RF Output Power: 10 / 30 / 50 mW
• Receiver Output: 3.5 mm stereo jack
• Inputs (Transmitter): 2 × XLR/jack combo balanced inputs
• Display: OLED (transmitter & receiver)
• Power Supply: 10.5 – 16 V DC (transmitter)
• Battery Support: BA 2015 rechargeable (optional) or AA batteries
• Antenna Connector: 1 × BNC
• Transmission Method: UHF with pilot tone squelch
• Compander System: Sennheiser HDX