BEHRINGER Black (MPA40BTPRO) All-in-one portable PA system with full Bluetooth* connectivity Incredibly simple to set-up and use - no technical background required 40 Watts of powerful, high-quality sound for audiences of up to 250 people Perfect for parties, schools, corporate and educational presentations, seminars, aerobics, auctioneers, working musicians, tour guides, weddings, etc. . Connect your iPod*, iPhone*, iPad* or any other MP3 player via Bluetooth.Powerful 8 inches woofer and high-resolution tweeter driven by a Class-D amplifier