Dual Diversity System with Two BLX2/PG58 Microphones The Shure BLX288/PG58 Wireless Dual Vocal System combines professional-quality sound with simple setup and up to 14 hours battery life for great audio performance for two vocalists right out of the box. The system includes BLX88 tabletop dual-channel receiver, 2 PG58 handheld transmitters, 2 microphone clips, power supply, 2 AA batteries, and user guide. SUPERIOR AUDIO - Perform with ConfidenceGet the show going with no wires attached. Professional Shure sound for every band and any vocal need.RELIABLE SIGNAL - Extend your rangeWith a range of up to 300 feet (100m), you can take the show into the crowd without interruption.EASY SETUP – Own the stageBLX will have you up and running in record time with one-touch scan and selection.BATTERY LIFE – 14 hours of powerBecause BLX transmitters get up to 14 hours of power from a single pair of AA batteries, the show can go on and on (and on).SYSTEMS EXPANSIONS – Run up to 12 channels per frequency band*You’ll probably need to find a bigger stage before you run out of channels.*Note: region and environment dependent.VERSATILITY INCLUDED – You’ve got optionsAn impressive variety of Shure microphones are available in BLX systems, so you can find what works for you.