The Wireless System WL series uses BOSS proprietary technology to eliminate sound delays and sound degradation to the limit, ensuring ultra-high sound quality and stable signal transmission. Provides players a free, worry-free playing environment. The WL-60 receiver has a large LCD display. You can instantly see the condition of all 14 channels and choose the best channel for easy operation. In addition, the compact size design allows for smooth installation on the effect board. The rugged transmitter features a body-pack style for connecting to any instrument. Alkaline batteries provide incredible continuous use time of up to 25 hours.