The Boss WL-20L Compact Wireless Instrument System provides players with exceptional sound quality and a wide dynamic range, thanks to Boss' high-performance wireless technology. Set at the 2.4 GHz frequency band, the Boss WL-20L automatically chooses the optimum channel to provide rock solid audio and an incredibly stable connection with no chance for the single to drop out. The Boss compact Wireless System is designed to accommodate instruments that aren't affected by cable capacitance, making it the perfect choice for acoustic/electric guitars with onboard preamps, instruments with active pickups, and line-level devices. Its in-built rechargeable battery provides players with up to 12 hours of continuous playing and offers an ultra-low latency for the ultimate performance. Designed to be as simple and easy to use as a physical guitar cable, the Boss WL-20L Compact Wireless Guitar System is perfect for players wanting the freedom to roam the stage and deliver a more dynamic performance.