Transmitters/Receivers Wireless In-Ear Systems Sennheiser

The Sennheiser SR IEM G4-A1 is a professional, half-rack stereo wireless transmitter operating in the 470-516 MHz frequency range (A1 band). Designed for in-ear monitoring (IEM) systems, live sound, and stereo transmission. The device features an all-metal housing, a clear OLED display, and 1680 tunable frequencies in a band up to 42 MHz. Synchronization with the receiver is performed wirelessly via infrared, and compatibility with Sennheiser WSM software enables flexible frequency allocation. The transmitter provides a transmission range of up to 100 meters, high RF output power of up to 50 mW, and two balanced combo XLR/6.3 mm inputs. This is a reliable solution for stage professionals.

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The Sennheiser ew IEM G4-A is a professional wireless in-ear monitoring (IEM) system designed for demanding live applications. The set includes the SR IEM G4 half-rack transmitter, the EW IEM G4 pocket receiver, and the IE 4 in-ear monitors, providing crystal-clear sound across the entire band. Operating in the 516–558 MHz range, the system offers up to 16 compatible channels and 1680 available frequencies, ensuring flexible configuration even in difficult conditions. Wireless synchronization via infrared and compatibility with Sennheiser WSM software simplify system management. The durable metal enclosure of the transmitter and a range of up to 100 meters make this an ideal solution for musicians, sound engineers, and cultural centers.

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The Sennheiser SPECTERA SEK is a revolutionary two-way wireless bodypack that combines a digital IEM/IFB receiver with a microphone and line transmitter. It operates in the UHF ranges of 470-608 MHz and 630-698 MHz, ensuring reliable transmission for stage, television, and event applications. The device offers full remote control via LinkDesk software, a built-in high-power headphone amplifier, AES 256 encryption, and an E-Ink display for continuous information access. The rugged metal housing guarantees durability in harsh conditions. Up to 7 hours of operation on the BA 70 battery (sold separately). An ideal choice for professionals seeking a flexible and secure solution for wireless sound management.

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The Sennheiser EK IEM G4-A1 is a professional stereo miniature (bodypack) receiver operating in the 470–516 MHz band, designed specifically for In-Ear Monitoring systems. It offers up to 1680 adjustable frequencies within a 42 MHz bandwidth, ensuring a stable and clean signal even in challenging stage conditions. Thanks to infrared synchronization and compatibility with Sennheiser WSM software, system configuration is quick and flexible. The durable housing and range of up to 100 meters make it suitable for concerts, rehearsals, and live events. It is a reliable tool for musicians and sound engineers seeking the highest quality stage monitoring. Learn More

Sennheiser SR IEM G4-A - Half-rack stereo transmitter in a full-metal housing with OLED display for full control

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Sennheiser EK IEM G4-A - Robust bodypack receiver delivering clarity along the whole frequency spectrum for daily use on stage

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Sennheiser SR IEM G4-G - Half-rack stereo transmitter in a full-metal housing with OLED display for full control

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‌Sennheiser SR 2020-D - transmitter

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Sennheiser EK IEM G4-B - Robust bodypack receiver delivering clarity along the whole frequency spectrum for daily use on stage

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