The Sennheiser EW IEM G4-Twin-A1 is a professional dual-channel wireless in-ear monitoring system designed for live performance, broadcast, and stage applications. Operating in the A1 frequency range (470–516 MHz), this system delivers exceptional audio clarity and reliable RF performance. It includes two SR IEM G4 stereo transmitters and two EK IEM G4 bodypack receivers, allowing two performers to monitor simultaneously from a single rack space. With adaptive diversity technology, wide 42 MHz bandwidth, and up to 16 compatible channels per frequency range, it ensures consistent, dropout-free transmission even in challenging RF environments. The system’s high-contrast OLED display, simple sync functionality, and rugged metal construction make it an ideal solution for touring professionals and production environments demanding dependable wireless performance. Perfect for musicians, engineers, and houses of worship, the EW IEM G4-Twin-A1 sets the standard for clear, customizable in-ear mixes.

Features:

• Engineered for professional live sound: Rugged all-in-one wireless monitoring system for in-ear applications.
• Robust bodypack receiver and reliable in-ear monitoring IE 4 headphones delivering clarity along the whole frequency spectrum for daily use on stage
• Half-rack stereo transmitter in a full-metal housing with OLED display for full control
• Easy and flexible wireless synchronization between transmitter and receiver via infrared
• Compatible with Sennheiser WSM control software for flexible frequency allocation
• Up to 16 compatible channels
• Up to 42 MHz bandwidth with 1680 selectable frequencies, fully tunable in a stable UHF range
• Transmission Range: up to 100 meters / 300 feet
• High RF output power (up to 50 mW) depending on country regulations