SUPERIOR AUDIO - Get the show going with no strings attached. Professional Shure sound for every band and any vocal need. EXTEND THE STAGE - The system operates up to a range of 300 feet (100m), so you can take the show into the crowd without interruption. QUICK & EASY SETUP - A breeze to setup and operate, BLX will have you up and running in record time. BATTERY LIFE - BLX transmitters get up to 14 hours of power from a single pair of AA batteries, so the show can go on and on (and on). blx24