The Sennheiser EK G4 IEM Receiver (A1) is a high-quality wireless in-ear monitor receiver designed for professional audio monitoring. Operating in the A1 frequency range, it ensures reliable and clear audio transmission, making it ideal for musicians, performers, and presenters. The receiver features a robust metal housing for durability, a backlit display for easy navigation, and adjustable volume control for personalized audio levels. With its advanced RF technology, the EK G4 provides excellent signal stability and a wide frequency range. It's compatible with Sennheiser's G4 series transmitters, offering seamless integration into existing setups. Compact and lightweight, the Sennheiser EK G4 IEM Receiver (A1) is perfect for delivering pristine audio quality on stage or during live events.