Sennheiser SK 500 G4 Wireless Bodypack Transmitter (GW1: 558 to 608 MHz)

The Sennheiser 509549 is a wireless bodypack transmitter designed to deliver reliable, high-quality audio for professionals working on stage or in broadcast settings. It operates within a 558 to 608 MHz UHF frequency range, offering access to 2000 selectable frequencies to help avoid interference and maintain clear sound even in crowded radio environments.

Built with a sturdy metal housing, this transmitter is made to withstand the demands of live performances and frequent use. It pairs with the EM 300-500 G4 receiver and supports a transmission range of up to 330 feet, giving you the freedom to move around large venues without losing signal. The RF power output can be adjusted between 10, 30, or 50 milliwatts, allowing you to optimize battery life and signal strength depending on the size and layout of your space.

The SK 500 G4 features a locking 3.5mm TRS input that securely connects lavalier or headset microphones, as well as instrument cables, making it versatile for different audio sources. Setting up frequencies is quick and straightforward thanks to the infrared sync function, which aligns the transmitter with the receiver in seconds. A backlit LCD screen provides clear visibility of key settings and battery status, while a programmable mute switch offers control during performances or broadcasts.

Power comes from two AA batteries, providing up to 8 hours of continuous use, or you can opt for the rechargeable BA 2015 Accupack for added convenience. This transmitter integrates smoothly with all Sennheiser evolution series systems, making it a dependable choice for musicians, presenters, and broadcasters who need consistent wireless audio performance.

Highlights:

• UHF frequency range: 558 to 608 MHz
• Transmission range up to 330 feet
• Adjustable RF power output: 10, 30, or 50 milliwatts
• Locking 3.5mm TRS input for microphones and instruments
• Infrared sync for quick frequency alignment
• Up to 8 hours of battery life with two AA batteries
• Durable metal housing built for professional use