Rugged construction, large wheels and a fully retractable luggage-pull handle allow MIPRO's 70-Watt Portable Modular PA System to tackle even the roughest terrain, making this system ideal indoors and out. Reach audiences as large as 700 people with crystal-clear sound thanks to 70 watts of power and an eight- inch full-range loudspeaker. The rechargeable built-in battery extends the portability of this public address system, allowing you to go up to eight hours without charging. It features a storage slot for additional batteries, microphones and accessories as well as a built-in charger for microphone batteries.