Sennheiser ew IEM G4 Wireless Monitor System (A: 516 to 558 MHz)

The Sennheiser 509609 is a wireless in-ear monitor system designed to deliver professional-quality sound for live performances and demanding audio environments. It includes a half-rack SR IEM G4 transmitter, an EK IEM G4 stereo bodypack receiver, and IE 4 earphones, all engineered to provide clear and reliable audio monitoring on stage or in any live setting.

This system covers a wide frequency range with 42 MHz bandwidth and offers up to 1680 selectable frequencies, allowing you to find a clean channel even in crowded RF environments. The transmitter features an OLED display that makes it easy to adjust settings and monitor the system in real time. With a transmission range of up to 300 feet, it gives performers the freedom to move around without losing signal quality.

Setting up is straightforward thanks to IR synchronization between the transmitter and receiver, which simplifies frequency matching. The rugged metal bodypack receiver and durable IE 4 earphones are built to withstand the rigors of touring, theater productions, houses of worship, or any live event where dependable monitoring is essential. Power options include standard AA batteries or optional rechargeable packs, supporting hours of uninterrupted use.

This system is ideal for musicians, sound engineers, and performers who need consistent, interference-free audio monitoring in dynamic environments. Whether you’re on stage, in a studio, or managing live sound, the Sennheiser 509609 offers a flexible and robust solution to keep your audio clear and under control.

Highlights:

• 42 MHz bandwidth with up to 1680 selectable frequencies for flexible channel selection
• OLED display on the transmitter for easy control and monitoring
• Transmission range up to 300 feet for freedom of movement
• IR synchronization simplifies frequency matching between transmitter and receiver
• Rugged metal bodypack receiver paired with IE 4 earphones for reliable performance