Sennheiser EW IEM G4-TWIN-A1 Wireless Stereo In-Ear Monitoring Twin Set (509613)

Sennheiser EW IEM G4-TWIN-A1 (509613) — Wireless Stereo In-Ear Monitoring Twin Set (470–516 MHz)

The Sennheiser EW IEM G4-TWIN-A1 is a professional dual-user wireless stereo in-ear monitoring system designed for live sound, touring, broadcast, and theater applications. It allows two performers to receive individual bodypack monitoring from a single transmitter system, delivering stable and clear stereo audio in demanding stage environments.

The system operates in the 470–516 MHz (A1 band) and includes a complete package with SR IEM G4 stereo transmitter, 2× EK IEM G4 bodypack receivers, 2× IE 4 earphones, and a GA3 rackmount kit for professional installation.

It features adaptive diversity reception for stable RF performance, infrared synchronization for fast setup, and supports up to 16 channels with a 42 MHz tuning bandwidth and 1680 selectable frequencies for flexible frequency coordination in complex RF environments. The transmitter is housed in a rugged half-rack metal chassis with an OLED display for clear system monitoring and control.

The system provides a transmission range of up to 100 meters (300 ft) and is designed for reliable, continuous use in professional live production settings.

Key Features

• Dual-user wireless stereo in-ear monitoring system
• Frequency range: 470–516 MHz (A1 band)
• Includes SR IEM G4 transmitter
• Includes 2× EK IEM G4 bodypack receivers
• Includes 2× IE 4 earphones
• Includes GA3 rackmount kit
• Up to 16 channels supported
• 42 MHz bandwidth with 1680 selectable frequencies
• Transmission range up to 100 m / 300 ft
• Adaptive diversity reception for stable RF performance
• Infrared synchronization for quick setup
• Rugged half-rack transmitter with OLED display
• Designed for professional live sound, broadcast, and touring use